Pertti Martikainen

Half-a-century effects of a slow-release nitrogen fertilizer, ureaformaldehyde, on stand growth and soil processes in a Scots pine stand

Smolander, Aino; Martikainen, Pertti J.; Henttonen, Helena M.. 2022. Forest ecology and management. 519: A1 Journal article (refereed), original research

Heterotrophic nitrification – An eternal mystery in the nitrogen cycle

Martikainen, Pertti J.. 2022. Soil biology and biochemistry. 168: A2 Review article, Literature review, Systematic review

Thawing Yedoma permafrost is a neglected nitrous oxide source

Marushchak, M. E.; Kerttula, J.; Diáková, K.; Faguet, A.; Gil, J.; Grosse, G.; Knoblauch, C.; Lashchinskiy, N.; Martikainen, P. J.; Morgenstern, A.; Nykamb, M.; Ronkainen, J. G.; Siljanen, H. M. P.; van Delden, L.; Voigt, C.; Zimov, N.; Zimov, S.; Biasi, C.. 2021. Nature communications. 12: 7107 A1 Journal article (refereed), original research

Warming climate forcing impact from a sub-arctic peatland as a result of late Holocene permafrost aggradation and initiation of bare peat surfaces

Väliranta, Minna; Marushchak, Maija E.; Tuovinen, Juha-Pekka; Lohila, Annalea; Biasi, Christina; Voigt, Carolina; Zhang, Hui; Piilo, Sanna; Virtanen, Tarmo; Räsänen, Aleksi; Kaverin, Dmitry; Pastukhov, Alexander; Sannel, A. Britta K.; Tuittila, Eeva-Stiina; Korhola, Atte; Martikainen, Pertti J.. 2021. Quaternary science reviews. 264: 107022 A1 Journal article (refereed), original research

Atmospheric impact of nitrous oxide uptake by boreal forest soils can be comparable to that of methane uptake

Siljanen, Henri M P; Welti, Nina; Voigt, Carolina; Heiskanen, Juha; Biasi, Christina; Martikainen, Pertti J. 2020. Plant and soil. 454: 121-138 A1 Journal article (refereed), original research

Carbon dioxide and methane exchange of a perennial grassland on a boreal mineral soil

Lind, SE; Virkajärvi, P; Hyvönen, NP; Maljanen, M; Kivimäenpää, M; Jokinen, S; Antikainen, S; Latva, M; Räty, M; Martikainen, PJ; Shurpali, NJ. 2020. Boreal environment research. 25: 1-17 A1 Journal article (refereed), original research

Nitrous oxide emissions from permafrost-affected soils

Voigt, Carolina; Marushchak, Maija E; Abbott, Benjamin W; Biasi, Christina; Elberling, Bo; Siciliano, Steven D; Sonnentag, Oliver; Stewart, Katherine J; Yang, Yuanhe; Martikainen, Pertti J. 2020. Nature reviews : earth & environment. 1: 420-434 A2 Review article, Literature review, Systematic review

Rising methane emissions from boreal lakes due to increasing ice-free days

Guo, Mingyang; Zhuang, Qianlai; Tan, Zeli; Shurpali, Narasinha; Juutinen, Sari; Kortelainen, Pirkko; Martikainen, Pertti J. 2020. Environmental research letters. 15: 64008 A1 Journal article (refereed), original research

Archaeal nitrification is a key driver of high nitrous oxide emissions from arctic peatlands

Siljanen, Henri M P; Alves, Ricardo J E; Ronkainen, Jussi; Lamprecht, Richard E; Bhattarai, Hem R; Bagnoud, Alexandre; Marushchak, Maija E; Martikainen, Pertti J; Schleper, Christa; Biasi, Christina. 2019. Soil biology and biochemistry. 137: 107539 A1 Journal article (refereed), original research

Ecosystem carbon response of an Arctic peatland to simulated permafrost thaw

Voigt, C; Marushchak, ME; Mastepanov, M; Lamprecht, RE; Christensen, TR; Dorodnikov, M; Jackowicz-Korczynski, M; Lindgren, A; Lohila, A; Nykänen, H; Oinonen, M; Oksanen, T; Palonen, V; Treat, CC; Martikainen, PJ; Biasi, C. 2019. Global change biology. 25: 1746-1764 A1 Journal article (refereed), original research

Germinating wheat promotes the emission of atmospherically significant nitrous acid (HONO) gas from soils

Bhattarai, Hem Raj; Liimatainen, Maarit; Nykänen, Hannu; Kivimäenpää, Minna; Martikainen, Pertti J; Maljanen, Marja. 2019. Soil biology and biochemistry. 136: 107518 A1 Journal article (refereed), original research

Lakes as nitrous oxide sources in the boreal landscape

Kortelainen, Pirkko; Larmola, Tuula; Rantakari, Miitta; Juutinen, Sari; Alm, Jukka; Martikainen, Pertti J. 2019. Global change biology. 2020; 26: 1432-1445 A1 Journal article (refereed), original research

Uptake of Soil-Derived Carbon into Plants: Implications for Disposal of Nuclear Waste

Majlesi, Soroush; Juutilainen, Jukka; Kasurinen, Anne; Mpamah, Promise; Trubnikova, Tatiana; Oinonen, Markku; Martikainen, Pertti; Biasi, Christina. 2019. Environmental science and technology. 53: 4198-4205 A1 Journal article (refereed), original research

A plant-microbe interaction framework explaining nutrient effects on primary production

Capek, P; Manzoni, S; Ka¨tovská, E; Wild, B; Diáková, K; Bárta, J; Schnecker, J; Biasi, C; Martikainen, PJ; Alves, RJE; Guggenberger, G; Gentsch, N; Hugelius, G; Palmtag, J; Mikutta, R; Shibistova, O; Urich, T; Schleper, C; Richter, A; ¦antrucková, H. 2018. Nature ecology & evolution. 2: 1588-1596 A1 Journal article (refereed), original research

Factors controlling nitrous oxide emissions from managed northern peat soils with low carbon to nitrogen ratio

Liimatainen, Maarit; Voigt, Carolina; Martikainen, Pertti J; Hytönen, Jyrki; Regina, Kristiina; Óskarsson, Hlunyr; Maljanen, Marja. 2018. Soil biology and biochemistry. 122: 186-195 A1 Journal article (refereed), original research

Significance of dark CO2 fixation in arctic soils

Santruckova, Hana; Kotas, Petr; Barta, Jiri; Urich, Tim; Capek, Petr; Palmtag, Juri; Alves, Ricardo J Eloy; Biasi, Christina; Diakova, Katerina; Gentsch, Norman; Gittel, Antje; Guggenberger, Georg; Hugelius, Gustaf; Lashchinsky, Nikolaj; Martikainen, Pertti J; Mikutta, Robert; Schleper, Christa; Schnecker, Joerg; Schwab, Clarissa; Shibistova, Olga; et al.. 2018. Soil biology and biochemistry. 119: 11-21 A1 Journal article (refereed), original research

Tundra landscape heterogeneity, not inter-annual variability, controls the decadal regional carbon balance in the Western Russian Arctic

Treat, CC; Marushchak, ME; Voigt, C; Zhang, Y; Tan, Z; Zhuang, Q; Virtanen, TA; Räsänen, A; Biasi, C; Hugelius, G; Kaverin, D; Miller, PA; Stendel, M; Romanovsky, V; Rivkin, F; Martikainen, PJ; Shurpali, NJ. 2018. Global change biology. 24: 5188-5204 A1 Journal article (refereed), original research

Degradation potentials of dissolved organic carbon (DOC) from thawed permafrost peat

Selvam BP, Lapierre JF, Guillemette F, Voigt C, Lamprecht RE, Biasi C, Christensen TR, Martikainen PJ, Berggren M. 2017. Scientific reports. 7: 45811 A1 Journal article (refereed), original research

Increased nitrous oxide emissions from Arctic peatlands after permafrost thaw

Voigt Carolina, Marushchak Maija E, Lamprecht Richard E, Jackowicz-Korczynski Marcin, Lindgren Amelie, Mastepanov Mikhail, Granlund Lars, Christensen Torben R, Tahvanainen Teemu, Martikainen Pertti J, Biasi Christina. 2017. Proceedings of the National Academy of Sciences of the United States of America. 114: 6238-6243 A1 Journal article (refereed), original research

Mechanisms responsible for high N2O emissions from subarctic permafrost peatlands studied via stable isotope techniques

Gil J, Pérez T, Boering K, Martikainen P J, Biasi C. 2017. Global biogeochemical cycles. 31: 172-189 A1 Journal article (refereed), original research

Carbon dioxide exchange of a perennial bioenergy crop cultivation on a mineral soil

Lind Saara E., Shurpali Narasinha J, Peltola Olli, Mammarella Ivan, Hyvönen Niina, Maljanen Marja,Räty Mari, Virkajärvi Perttu, Martikainen Pertti J. 2016. BIOGEOSCIENCES. 13: 1255-1268 A1 Journal article (refereed), original research

Heterogeneity of carbon loss and its temperature sensitivity in East-European subarctic tundra soils

Diáková K, Capek P, Kohoutová I, Mpamah PA, Bárta J, Biasi C, Martikainen PJ, ¦antrucková H. 2016. Fems microbiology ecology. 92: 140 A1 Journal article (refereed), original research

Methane dynamics in the subarctic tundra: combining stable isotope analyses, plot- and ecosystem-scale flux measurements

Marushchak ME, Friborg T, Biasi C, Herbst M, Johansson T, Kiepe I, Liimatainen M, Lind SE, Martikainen PJ, Virtanen T, Soegaard H, Shurpali NJ. 2016. BIOGEOSCIENCES. 13: 597-608 A1 Journal article (refereed), original research

Morphology and properties of the soils of permafrost peatlands in the southeast of the Bol'shezemel'skaya tundra

Kaverin DA, Pastukhov AV, Lapteva EM, Biasi C, Marushchak M, Martikainen P. 2016. Eurasian soil science. 49: 498-511 A1 Journal article (refereed), original research

Potential carbon emissions dominated by carbon dioxide from thawed permafrost soils

Schädel C, Bader MK-F, Schuur EAG, Biasi C, Bracho R, Capek P, De Baets S, Diáková K, Ernakovich J, Estop-Aragones C, Graham DE, Hartley IP, Iversen CM, Kane E, Knoblauch C, Lupascu M, Martikainen PJ, Natali SM, Norby RJ, O'Donnell JA et al. 2016. Nature climate change. 6: 950-953 A1 Journal article (refereed), original research

Raetuhkalannoituksen vaikutus suometsien N2O-päästöihin

Liimatainen Maarit, Martikainen Pertti J, Maljanen Marja, Hytönen Jyrki. 2016. Suo. 67: 18-22 D1 Article in a trade journal

Seasonal and diurnal variation in CO fluxes from an agricultural bioenergy crop

Pihlatie Mari, Rannik Üllar, Haapanala Sami, Peltola Olli, Shurpali Narasinha, Martikainen Pertti J, Lind Saara, Hyvönen Niina, Virkajärvi Perttu, Zahniser Mark, Mammarella Ivan. 2016. BIOGEOSCIENCES. 13: 5471-5485 A1 Journal article (refereed), original research

Variation in N2 Fixation in Subarctic Tundra in Relation to Landscape Position and Nitrogen Pools and Fluxes

Diáková Katerina, Biasi Christina, Capek Petr, Martikainen Pertti J, Marushchak Maija E, Patova Elena N, ¦antruková Hana. 2016. Arctic antarctic and alpine research. 48: 111-125 A1 Journal article (refereed), original research

Warming of subarctic tundra increases emissions of all three important greenhouse gases - carbon dioxide, methane, and nitrous oxide

Voigt C, Lamprecht RE, Marushchak ME, Lind SE, Novakovskiy A, Aurela M, Martikainen PJ, Biasi C. 2016. Global change biology. 2017; 23: 3121-3138 A1 Journal article (refereed), original research

Environmental and microbial factors influencing methane and nitrous oxide fluxes in Mediterranean cork oak woodlands: trees make a difference

Shvaleva Alla, Siljanen Henri MP, Correia Alexandra, Costa e Silva Filipe, Lamprecht Richard E, Lobo-do-Vale Raquel, Bicho Catarina, Fangueiro David, Anderson Margaret, Pereira João S, Chaves Maria M, Cruz Cristina, Martikainen Pertti J. 2015. Frontiers in microbiology. 6: 1104 A1 Journal article (refereed), original research

Intercomparison of fast response commercial gas analysers for nitrous oxide flux measurements under field conditions

Rannik Ü, Haapanala S, Shurpali NJ, Mammarella I, Lind S, Hyvönen N, Peltola O, Zahniser M, Martikainen PJ, Vesala T. 2015. BIOGEOSCIENCES. 12: 415-432 A1 Journal article (refereed), original research

The uncertain climate footprint of wetlands under human pressure

Petrescu Ana Maria Roxana, Lohila Annalea, Tuovinen Juha-Pekka, Baldocchi Dennis O, Desai Ankur D, Roulet Nigel T, Vesala Timo, Dolman Albertus Johannes, Oechel Walter C, Marcolla Barbara, Friborg Thomas, Rinne Janne, Matthes Jaclyn Hatala, Merbold Lutz, Meijide Ana, Kiely Gerard, Sottocornola Matteo, Sachs Torsten, Zona Donatella, Varlagin Andrej, Shurpali Narasinha J, Martikainen Pertti J et al. 2015. Proceedings of the National Academy of Sciences of the United States of America. 112: 4594-4599 A1 Journal article (refereed), original research

The effect of granulated wood-ash fertilization on soil properties and greenhouse gas (GHG) emissions in boreal peatland forests

Maljanen Marja, Liimatainen Maarit, Hytönen Jyrki, Martikainen Pertti J. 2014. Boreal environment research. 19: 295-309 A1 Journal article (refereed), original research

Why granulated wood ash decreases N2O production in boreal acidic peat soil?

Liimatainen M, Martikainen PJ, Maljanen M. 2014. Soil biology and biochemistry. 79: 140-148 A1 Journal article (refereed), original research

Acidic northern soils as sources of atmospheric nitrous acid (HONO)

Maljanen M, Yli-Pirilä P, Hytönen J, Joutsensaari J, Martikainen PJ. 2013. Soil biology and biochemistry. 67: 94-97 A1 Journal article (refereed), original research

Atmospheric impact of abandoned boreal organic agricultural soils depends on hydrological conditions

Maljanen Marja, Hytönen Jyrki, Mäkiranta Päivi, Laine Jukka, Minkkinen Kari, Martikainen Pertti J. 2013. Boreal environment research. 18: 1797-2469 A1 Journal article (refereed), original research

Carbon evasion/accumulation ratio in boreal lakes is linked to nitrogen

Kortelainen Pirkko, Rantakari Miitta, Pajunen Hannu, Huttunen Jari T, Mattsson Tuija, Juutinen Sari, Larmola Tuula, Alm Jukka, Silvola Jouko, Martikainen Pertti J. 2013. Global biogeochemical cycles. 27: 363-374 A1 Journal article (refereed), original research

Effects of elevated UV-B radiation on UV-absorbing pigments and leaf anatomy of a sedge, Eriophorum russeolum

Mörsky Sami K, Haapala Jaana K, Rinnan Riikka, Saarnio Sanna, Kyrö Esko, Silvola Jouko, Martikainen Pertti J, Holopainen Toini. 2013. Boreal environment research. 18: 414-424 A1 Journal article (refereed), original research

High sensitivity of peat moisture content to seasonal climate in a cutaway peatland cultivated with a perennial crop (Phalaris arundinaceae, L.): A modeling study

Gong Jinnan, Shurpali Narasinha J, Kellomaki Seppo, Wang Kaiyun, Zhang,Chao, Salam Mir Md Abdus, Martikainen Pertti J. 2013. Agricultural and forest meteorology. 180: 225-253 A1 Journal article (refereed), original research

Linking microbial community structure and allocation of plant-derived carbon in an organic agricultural soil using 13CO2 pulse-chase labelling combined with 13C-PLFA profiling

Tavi NM, Martikainen PJ, Lokko K, Kontro M, Wild B, Richter A, Biasi C. 2013. Soil biology and biochemistry. 58: 207-215 A1 Journal article (refereed), original research

Linking water vapor and CO2 exchange from a perennial bioenergy crop on a drained organic soil in eastern Finland

Shurpali Narasinha J, Biasi Christina, Jokinen Simo, Hyvönen Niina, Martikainen Pertti J. 2013. Agricultural and forest meteorology. 168: 47-58 A1 Journal article (refereed), original research

Microbial respiration in Arctic upland and peat soils as source of CO2

Biasi C., Jokinen S., Marushchak M., Hämäläinen K., Trubnikova T., Oinonen M., Martikainen P.. 2013. Ecosystems. 0: 0 A1 Journal article (refereed), original research

Modeling CO2 and CH4 flux changes in pristine peatlands of Finland under changing climate conditions

Gong Jinnan, Kellomäki Seppo, Wang Kaiyun, Zhang Chao, Shurpali Narasinha, Martikainen Pertti J. 2013. Ecological modelling. 263: 64-80 A1 Journal article (refereed), original research

Puuntuhkalannoituksen vaikutukset turpeen ominaisuuksiin sekä metaani- ja dityppioksidipäästöihin suometsässä

Maljanen Marja, Liimatainen Maarit, Hytönen Jyrki, Martikainen Pertti J. Teoksessa: Leppälammi-Kujansuu Jaana, Soinne Helena, Merilä Päivi, Rankinen Katri, Salo Tapio, Hänninen Pekka(toim.) , 2013. Maankäytön kestävyys VII Maaperätieteiden päivien abstraktit. s. 57-58. B3 Non-refereed conference proceedings

The role of drainage ditches in greenhouse gas emissions and surface leaching losses from a cutaway peatland cultivated with a perennial bioenergy crop

Hyvönen NP, Huttunen JT, Shurpali NJ, Lind SE, Marushchak ME, Heitto L, Martikainen PJ. 2013. Boreal environment research. 18: 109-126 A1 Journal article (refereed), original research

Trophic transfer of polychlorinated biphenyls (PCB) in a boreal lake ecosystem: Testing of bioaccumulation models

Figueiredo Kaisa, Mäenpää Kimmo, Leppänen Matti T, Kiljunen Mikko, Lyytikäinen Merja, Kukkonen Jussi VK, Koponen Hannu, Biasi Christina, Martikainen Pertti J. 2013. Science of the total environment. 466-467: 690-698 A1 Journal article (refereed), original research

A novel 14C approach to follow fate of carbon in organic soils

Biasi C, Tavi NM, Oinonen M, J. Kukkonen J, Platner C, Juutilainen J, Martikainen P. 2012.

Acclimation of photosynthesis in a boreal grass (Phalaris arundinacea L.) under different temperature, CO2, and soil water regimes

Ge Z-M, Zhou X, Kellomäki S, Zhang C, Peltola H, Martikainen PJ, Wang KY. 2012. Photosynthetica. 50: 141-151 A1 Journal article (refereed), original research

Afforestation does not necessarily reduce nitrous oxide emissions from managed boreal peat soils

Maljanen Marja, Shurpali Narasinha, Hytönen Jyrki, Mäkiranta Päivi, Aro Lasse, Potila Hannamaria, Laine Jukka, Li Changsheng, Martikainen Pertti J. 2012. Biogeochemistry. 108: 199-218 A1 Journal article (refereed), original research

An isotope approach based on 13C pulse-chase labelling vs. the root trenching method to separate heterotrophic and autotrophic respiration in cultivated peatland

Biasi Christina, Pitkämäki Antti, Tavi Niina, Koponen Hannu, Martikainen Pertti. 2012. Boreal environment research. 17: 184-192 A1 Journal article (refereed), original research

Atmospheric impact of abandoned boreal organic agricultural soils depends on hydrology of peat

Maljanen Marja, Hytönen Jyrki, Mäkiranta Päivi, Minkkinen Kari, Laine Jukka, Martikainen Pertti J. 2012.

Boreal peatland ecosystems under enhanced UV-B radiation and elevated tropospheric ozone concentration

Rinnan Riikka, Saarnio Sanna, Haapala Jaana K, Mörsky Sami K, Martikainen Pertti J, Silvola Jouko, Holopainen Toini. 2012. Environmental and Experimental Botany. Volume 90, June 2013: 43-52 A1 Journal article (refereed), original research

Carbon assimilation and allocation (13C labeling) in a boreal perennial grass (Phalaris arundinacea) subjected to elevated temperature and CO2 through a growing season

Ge Zhen-Ming, Zhou Xiao, Kellomäki Seppo, Biasi Christina, Wang Kai-Yun, Peltola Heli, Martikainen Pertti J. 2012. Environmental and Experimental Botany. 75: 150-158 A1 Journal article (refereed), original research

Carbon dioxide balance of subarctic tundra from plot to regional scales

Marushchak ME, Kiepe I, Biasi C, Elsakov V, Friborg T, Johansson T, Soegaard H, Virtanen T, Martikainen PJ. 2012. Biogeosciences Discussions. 9: 9945-9991 A1 Journal article (refereed), original research

Dairy cow excreta patches change the boreal grass swards from sink to source of methane

Maljanen Marja, Virkajärvi Perttu, Martikainen Pertti. 2012. Agricultural and food science. 21: 91-99 A1 Journal article (refereed), original research

Effects of nitrogen load on the function and diversity of methanotrophs in the littoral wetland of a boreal lake

Siljanen Henri, Saari Anne, Bodrossy Levente, Martikainen Pertti. 2012. Frontiers in microbiology. online journal: - A1 Journal article (refereed), original research

Greenhouse gas balance of a subarctic tundra - importance of carbon dioxide, methane and nitrous oxide from different land cover types

Marushchak ME, Biasi C, Elsakov V, Jokinen S, Lind SE, Pitkämäki A, Virtanen T, Martikainen PJ. 2012.

Life-cycle climate impacts of peat fuel: calculation methods and methodological challenges

Grönroos Juha, Seppälä Jyri, Koskela Sirkka, Kilpeläinen Antti, Leskinen Pekka, Holma Anne, Tuovinen Juha-Pekka, Turunen Jukka, Lind Saara, Maljanen Marja, Martikainen Pertti. 2012. International journal of life cycle assessment. xxx: xx-xx A1 Journal article (refereed), original research

Measured and modeled biomass growth in relation to photosynthesis acclimation of a bioenergy crop (Reed canary grass) under elevated temperature, CO2 enrichment and different water regimes

Ge Zhen-Ming, Zhou Xiao, Kellomäki Seppo, Peltola Heli, Biasi Christina, Shurpali Narasinha, Martikainen Pertti J, Wang Kai-Yun. 2012. Biomass and bioenergy. 46: 251-262 A1 Journal article (refereed), original research

Minor long-term effects of ultraviolet-B radiation on methane dynamics of a subarctic fen in Northern Finland

Mörsky Sami K, Haapala Jaana K, Rinnan Riikka, Saarnio Sanna, Suokanerva Hanne, Latola Kirsi, Kyrö Esko, Silvola Jouko, Holopainen Toini, Martikainen Pertti J. 2012. Biogeochemistry. 108: 233-243 A1 Journal article (refereed), original research

Mitigation of nitrous oxide emissions from peat soils used for forestry or agriculture by controlling the biogeochemical processes

Liimatainen Maarit, Martikainen Pertti, Maljanen Marja. 2012.

Modeling water table changes in boreal peatlands of Finland under changing climate conditions

Gong Jinnan, Wang Kaiyun, Kellomäki Seppo, Zhang Chao, Martikainen Pertti, Shurpali Narasinha. 2012. Ecological modelling. 244: 65-78 A1 Journal article (refereed), original research

Multi-objective environment chamber system for studying plant responses to climate change

Zhou Xiao, Ge Zhen-Ming, Kellomäki Seppo, Wang Kaiyun, Peltola Heli, Martikainen Pertti J., Lemettinen Matti, Hassinen Alpo, Ikonen Risto. 2012. Photosynthetica. 50: 24-34 A1 Journal article (refereed), original research

Quantification of greenhouse gas emissions from sludge treatment wetlands

Uggetti Enrica, García Joan, Lind Saara E, Martikainen Pertti J, Ferrer Ivet. 2012. Water research. 46: 1755-1762 A1 Journal article (refereed), original research

Seasonal physiological responses and biomass growth in a bioenergy crop (Phalaris arundinacea L.) under elevated temperature and CO2, subjected to different water regimes in boreal conditions

Ge Zhen-Ming, Kellomäki Seppo, Zhou Xiao, Peltola Heli, Wang Kai-Yun, Martikainen Pertti J. 2012. Bioenergy research. 5: 637-648 A1 Journal article (refereed), original research

Seasonal variation in the function and diversity of methanotrophs in the littoral wetland of a boreal eutrophic lake

Siljanen Henri MP, Saari Anne, Bodrossy Levente, Martikainen Pertti J. 2012. Fems microbiology ecology. 80: 548-555 A1 Journal article (refereed), original research

The flow of carbon from plants through microbes to atmosphere in an organic agricultural soil using 13CO2 pulse-chase labelling and implications for carbon sequestration potential

Biasi Christina, Tavi Niina M, Lokko Kwaku, Kontro Merja, Wild Birgit, Richter Andreas, Shurpali Narasinha, Martikainen Pertti J. 2012.

Differentiating sources of CO2 from organic soil under bioenergy crop cultivation: A field-based approach using 14C

Biasi Christina, Tavi Niina M., Jokinen Simo, Shurpali Narasinha, Hämäläinen Kai, Jungner Högne, Oinonen Markku, Martikainen Pertti J.. 2011. Soil biology and biochemistry. 43: 2406-2409 A1 Journal article (refereed), original research

Effects of elevated CO2 and temperature on leaf characteristics, photosynthesis and carbon storage in aboveground biomass of a boreal bioenergy crop (Phalaris arundinacea L.) under varying water regimes

Zhou Xiao, Ge Zheng-Ming, Kellomäki Seppo, Wang Kaiyun, Peltola Heli, Martikainen Pertti J.. 2011. Global change biology bioenergy. 3: 223-234 A1 Journal article (refereed), original research

Hot spots for nitrous oxide emissions found in different types of permafrost peatlands

Marushchak ME, Pitkämäki A, Koponen H, Biasi C, Seppälä M, Martikainen PJ. 2011. Global change biology. 17: 2601-2614 A1 Journal article (refereed), original research

Hydrology is reflected in the functioning and community composition of methanotrophs in the littoral wetland of a boreal lake

Siljanen Henri MP, Saari Anne, Krause Sascha, Lensu Anssi, Abell Guy CJ, Bodrossy Levente, Bodelier Paul LE, Martikainen Pertti J. 2011. Fems microbiology ecology. 75: 430-445 A1 Journal article (refereed), original research

Long-term effects of ozone on CO2 exchange in peatland microcosms

Haapala Jaana K, Mörsky Sami K, Rinnan Riikka, Saarnio Sanna, Martikainen Pertti J, Holopainen Toini, Silvola Jouko. 2011. Atmospheric environment. 45: 4002-4007 A1 Journal article (refereed), original research

Minor effects of long-term ozone exposure on boreal peatland species Eriophorum vaginatum and Sphagnum papillosum

Mörsky Sami K, Haapala Jaana K, Rinnan Riikka, Saarnio Sanna, Silvola Jouko, Martikainen Pertti J, Holopainen Toini. 2011. Environmental and Experimental Botany. 72: 455-463 A1 Journal article (refereed), original research

Responses of leaf photosynthesis, pigments and chlorophyll fluorescence within canopy position in a boreal grass (Phalaris arundinacea L.) to elevated temperature and CO2 under varying water regimes

Ge Zhen-Ming, Zhou Xiao, Kellomäki Seppo, Wang Kai-Yun, Peltola Heli, Martikainen Pertti J.. 2011. Photosynthetica. 49: 172-184 A1 Journal article (refereed), original research

Atmospheric impact of bioenergy based on perennial crop (reed canary grass, Phalaris arundinaceae, L.) cultivation on a drained boreal organic soil

Shurpali NJ, Strandman H, Kilpeläinen A, Huttunen J, Hyvönen N, Biasi C , Kellomäki S & Martikainen PJ. 2010. Global change biology bioenergy. 2: 130-138 A1 Journal article (refereed), original research

Climate impacts of peat fuel utilization chains : a critical review of the Finnish and Swedish life cycle assessments

Seppälä J, Grönroos J, Koskela S, Holma A, Leskinen P, Liski J, Tuovinen J-P, Laurila T, Turunen J, Lind S, Maljanen M Matikainen P & Kilpeläinen A. 2010. The Finnish Environment. . Finnish Environment Institute (SYKE). C1 Book

Cold-season nitrous oxide dynamics in a drained boreal peatland differ depending on land-use practice

Maljanen M, Hytönen J & Martikainen PJ. 2010. Canadian journal of forest research-revue canadienne de recherche forestiere. 40: 565-572 A1 Journal article (refereed), original research

Greenhouse gas balances of managed peatlands in the Nordic countries - present knowledge and gaps

Maljanen M, Sigurdsson BD, Guðmundsson J, Óskarsson JH, Huttunen JT & Martikainen PJ. 2010. BIOGEOSCIENCES. 7: 2711-2738 A1 Journal article (refereed), original research

Impact of Phalaris arundinacea cultivation on microbial community of a cutover peatland

Tavi NM, Keinänen-Toivola MM, Koponen HT, HuttunenJT, Kekki TK, Biasi C & Martikainen PJ. 2010. Boreal environment research. 15: 437-445 A1 Journal article (refereed), original research

Modelling bioaccumulation and trophic transfer of PCBs in a fresh water food web

Figueiredo, K., Leppänen, M.T., Mäenpää, K., Akkanen, J., Lyytikäinen, M., Kukkonen, J.V.K., Koponen, H., Biasi, C., Martikainen, P.J.. 2010.

N2O emissions from boreal grass and grass - clover pasture soils

Virkajärvi P, Maljanen M, Saarijärvi K, Haapala J & Martikainen PJ. 2010. Agriculture ecosystems and environment. 137: 59-67 A1 Journal article (refereed), original research

Prolongation of soil frost resulting from reduced snow cover increases nitrous oxide emissions from boreal forest soil

Maljanen M, Alm J, Martikainen PJ & Repo T. 2010. Boreal environment research. 15: 34-42 A1 Journal article (refereed), original research

The role of Sphagnum mosses in the methane cycling of a boreal mire

Larmola T, Tuittila E-S, Tiirola M, Nykänen H, Martikainen PJ, Yrjälä K, Tuomivirta T & Fritze H. 2010. Ecology. 91: 2356-2365 A1 Journal article (refereed), original research

Carbon dioxide balance of a fen ecosystem in northern Finland under elevated UV-B radiation

Haapala JK, Mörsky SK, Saarnio S, Rinnan R, Suokanerva H, Kyrö E, Latola K, Martikainen PJ, Holopainen T, Silvola J. 2009. Global change biology. 15: 943-954 A1 Journal article (refereed), original research

Cultivation of a perennial grass for bioenergy on a boreal organic soil - carbon sink or source?

Shurpali NJ, Hyvönen NP, Huttunen JT, Clement RJ, Reichstein M, Nykänen H, Biasi C, Martikainen PJ. 2009. . 1: 35-50 A1 Journal article (refereed), original research

Effects of water table and nitrogen load on methane emissions and methane oxidation in a littoral wetland of a boreal freshwater lake

Saari A, Siljanen H, Martikainen K, Martikainen PJ. Teoksessa: Soinne H et al(toim.) , 2009. V Maaperätieteiden päivien laajennetut abstraktit. s. 75-76. A4 Conference proceedings

Fluxes of nitrous oxide and methane on an abandoned peat extraction site: Effect of reed canary grass cultivation

Hyvönen NP, Huttunen JT, Shurpali NJ, Tavi NM, Repo ME, Martikainen PJ. 2009. Bioresource technology. 100: 4723-4730 A1 Journal article (refereed), original research

Land-use and greenhouse gas balances of peatlands in the Nordic countries - present knowledge and gaps

Maljanen M, Sigurdsson BD, Guömundsson J, Óskarsson H, Huttunen JT, Martikainen PJ. 2009. . 6: 6271-6338 A1 Journal article (refereed), original research

Large N2O emissions from cryoturbated peat soil in tundra

Repo ME, Susiluoto S, Lind SE, Jokinen S, Elsakov V, Biasi C, Virtanen T, Martikainen PJ. 2009. Nature geoscience. 2: 189-192 A1 Journal article (refereed), original research

Low soil temperature as a result of snow removal increases emission and production of N2O in boreal agricultural soils

Maljanen M, Virkajärvi P, Hytönen J, Martikainen PJ. Teoksessa: Soinne H, Helmisaari H-S, Hänninen P, Kähkönen M, Rankinen K, Esala M(toim.) , 2009. Maaperä muuttuvassa maailmassa - V Maaperätieteiden päivien laajennetut abstraktit. s. 20-21. A4 Conference proceedings

Neural networks for estimating net ecosystem CO2 exchange using incomplete eddy covariance data

Niska H, Shurpali N, Martikainen P, Kolehmainen M. Teoksessa: Fonseca I Casas, P(toim.) , 2009. Proceedings of the 18th IASTED International Conference on Applied Simulation and Modelling. s. 112-117. A4 Conference proceedings

Nitrous oxide production in boreal soils with variable organic matter content at low temperature - snow manipulation experiment

Maljanen M, Virkajärvi P, Hytönen J, Öquist M, Sparrman T, Martikainen PJ. 2009. . 6: 5305-5337 A1 Journal article (refereed), original research

The effect of nitrogen fertilization on the activity and diversity of methanotrophs in the littoral wetland of a Boreal lake

Siljanen HMP, Saari A, Hämäläinen S, Bodrossy L, Martikainen PJ. Teoksessa: (toim.) , 2009. Proceedings of 9th Conference of Finnish Environmental Sciences. s. 157-158. A4 Conference proceedings

Bare soil and reed canary grass ecosystem respiration in peat extraction sites in Eastern Finland

Shurpali NJ, Hyvönen NP, Huttunen JT, Biasi C, Nykänen H, Pekkarinen N, Martikainen PJ. 2008. Tellus series b: chemical and physical meteorology. 60B: 200-209 A1 Journal article (refereed), original research

Denitrification and N2O effluxes in the Bothnian Bay (northern Baltic Sea) river sediments as affected by temperature under different oxygen concentrations

Silvennoinen H, Liikanen A, Torssonen J, Stange CF, Martikainen PJ. 2008. Biogeochemistry. 88: 63-72 A1 Journal article (refereed), original research

Denitrification and nitrous oxide effluxes in boreal, eutrophic river sediments under increasing nitrate load: a laboratory microcosm study

Silvennoinen H, Liikanen A, Torssonen J, Stange CF, Martikainen PJ. 2008. Biogeochemistry. 91: 105-116 A1 Journal article (refereed), original research

Direct experimental evidence for the contribution of lime to CO2 release from managed peat soil

Biasi C, Lind SE, Pekkarinen NM, Huttunen JT, Shurpali NJ, Hyvönen NP, Repo ME, Martikainen PJ. 2008. Soil biology and biochemistry. : 2660-2669 A1 Journal article (refereed), original research

Greenhouse gas fluxes from the eutrophic Temmesjoki River and its Estuary in the Liminganlahti Bay (the Baltic Sea)

Silvennoinen H, Liikanen A, Rintala J, Martikainen PJ. 2008. Biogeochemistry. 90: 193-208 A1 Journal article (refereed), original research

Long-term ozone effects on vegetation, microbial community and methane dynamics of boreal peatland microcosms in open-field conditions

Mörsky SK, Haapala JK, Rinnan R, Tiiva P, Saarnio S, Silvola J, Holopainen T, Martikainen PJ. 2008. Global change biology. : 1891-1903 A1 Journal article (refereed), original research

Methane fluxes and methane oxidation in a littoral wetland of boreal freshwater lake: effects of water table and nitrogen load

Saari A, Siljanen H, Martikainen K, Martikainen PJ. Teoksessa: (toim.) , 2008. Greenhouse gases and aerosols. Interactions between northern ecosystems and climate. s. 44-46. NECC, BACCI A4 Conference proceedings

Succession of sea-ice bacterial communities in the Baltic Sea fast ice

Kaartokallio H, Tuomainen J, Kuosa H, Kuparinen J, Martikainen PJ, Servomaa K. 2008. Polar biology. 31: 783-793 A1 Journal article (refereed), original research

CO2 flux determination by closed-chamber methods can be seriously biased by inappropriate application of linear regression

Kutzbach L, Schneider J, Sachs T, Giebels M, Nykänen H, Shurpali NJ, Martikainen PJ, Alm J, Wilmking M. 2007. BIOGEOSCIENCES. 4: 1005-1025 A1 Journal article (refereed), original research

Effects of snow cover manipulation on N2O emissions during winter in three different boreal agricultural soils

Tirkkonen J, Maljanen M, Virkajärvi P, Hytönen J, Martikainen PJ. Teoksessa: Xiang H, Akieh MN, Vuorio A-M, Jokinen T, Sillanpää M(toim.) , 2007. Eighth Finnish Conference of Environmental Sciences. s. 289-290. Finnish Society for Environmental Sciences A4 Conference proceedings

Effects of water flow regime on water quality in copper and plastic pipes

Lehtola MJ, Miettinen IT, Hirvonen A, Vartiainen T, Martikainen PJ. Teoksessa: (toim.) , 2007. WellBeing Indoors, Clima 2007 Proceedings. s. 7 s. FINVAC A4 Conference proceedings

Emission factors and their uncertainy for the exchange of CO2, CH4 and N2O in Finnish managed peatlands

Alm J, Shurpali NJ, Minkkinen K, Aro L, Hytönen J, Laurila T, Lohila A, Maljanen M, Martikainen PJ, Mäkiranta P, Penttilä T, Saarnio S, Silvan N, Tuittila E-S, Laine J. 2007. Boreal environment research. 12: 191-209 A1 Journal article (refereed), original research

Estimates of microbial quality and concentration of copper in distributed drinking water are highly dependent on sampling strategy

Lehtola MJ, Miettinen IT, Hirvonen A, Vartiainen T, Martikainen PJ. 2007. International journal of hygiene and environmental health. 210: 725-732 A1 Journal article (refereed), original research

Fluxes and production of N2O, CO2 and CH4 in boreal agricultural soil during winter as affected by snow cover

Maljanen M, Kohonen A-R, Virkajärvi P, Martikainen PJ. 2007. Tellus series b: chemical and physical meteorology. 59B: 853-859 A1 Journal article (refereed), original research

Fluxes of nitrous oxide and nitric oxide from experimental excreta patches in boreal agricultural soil

Maljanen M, Martikkala M, Koponen HT, Virkajärvi P, Martikainen PJ. 2007. Soil biology and biochemistry. 39: 914-920 A1 Journal article (refereed), original research

Greenhouse gas emissions from cultivated and abandoned organic croplands in Finland

Maljanen M, Hytönen J, Mäkiranta P, Alm J, Minkkinen K, Laine J, Martikainen PJ. 2007. Boreal environment research. 12: 133-140 A1 Journal article (refereed), original research

Methane dynamics in the littoral zone of a boreal lake

Saari A, Siljanen H, Welti N, Nykky M, Martikainen PJ. Teoksessa: Xiang H, Akieh MN, Vuorio A-M, Jokinen T, Sillanpää M(toim.) , 2007. Eighth Finnish Conference of Environmental Sciences. s. 298-300. Finnish Society for Environmental Sciences A4 Conference proceedings

Microbial biomass and activity related to carbon cycling within soils of abandoned peat mining site cultivated with a bioenergy crop

Pekkarinen NM, Biasi C, Huttunen JT, Shurpali NJ, Hyvönen NP, Repo ME, Martikainen PJ. Teoksessa: Xiang H, Akieh MN, Vuorio A-M, Jokinen T, Sillanpää M(toim.) , 2007. Eighth Finnish Conference of Environmental Sciences. s. 291-293. A4 Conference proceedings

Release of CO2 and CH4 from small wetland lakes in western Siberia

Repo ME, Huttunen JT, Naumov AV, Chichulin AV, Lapshina ED, Bleuten W, Martikainen PJ. 2007. Tellus series b: chemical and physical meteorology. 59B: 788-796 A1 Journal article (refereed), original research

Soil greenhouse gas emissions from afforested organic soil croplands and cutaway peatlands

Mäkiranta P, Hytönen J, Aro L, Maljanen M, Pihlatie M, Potila H, Shurpali NJ, Laine J, Lohila A, Martikainen PJ, Minkkinen K. 2007. Boreal environment research. 12: 159-175 A1 Journal article (refereed), original research

Survival of Mycobacterium avium in drinking water biofilms as affected by water flow velocity, availability of phosphorus, and temperature

Torvinen E, Lehtola MJ, Martikainen PJ, Miettinen IT. 2007. Applied and environmental microbiology. 73: 6201-6207 A1 Journal article (refereed), original research

Survival of Mycobacterium avium, Legionella pneumophila, Escherichia coli, and caliciviruses in drinking water-associated biofilms grown under high-shear turbulent flow

Lehtola MJ, Torvinen E, Kusnetsov J, Pitkänen T, Maunula L, Bonsdorff von C-H, Martikainen PJ, Wilks SA, Keevil CW, Miettinen IT. 2007. Applied and environmental microbiology. 73: 2854-2859 A1 Journal article (refereed), original research

The effects of disinfection and flow rate on biofilms growing in copper and plastic pipes

Lehtola MJ, Miettinen IT, Hirvonen A, Vartiainen T, Martikainen PJ. Teoksessa: Kabbes KC(toim.) , 2007. Proceedings of The World Environmental and Water Resources Congress 2007. Restoring Our Natural Habitat. s. 9 s. ASCE A4 Conference proceedings

Community structure of the bacteria associated with Nodularia sp. (Cyanobacteria) aggregates in the Baltic sea

Tuomainen J, Hietanen S, Kuparinen J, Martikainen PJ, Servomaa K. 2006. Microbial ecology. 52: 513-522 A1 Journal article (refereed), original research

Greenhouse gas dynamics of terrestrial and aquatic environments: pristine ecosystems and land-use effects

Martikainen PJ, Alm J, Huttunen JT, Hyppönen N, Jauhiainen J, Juutinen S, Koponen H, Kortelainen P, Larmola T, Liikanen A, Maljanen M, Nykänen H, Pekkarinen N, Repo M, Saari A, Shurpali N, Silvennoinen H, Silvola J, Vasander H. Teoksessa: Kulmala M, Lindroth A and Ruuskanen TM(toim.) , 2006. Proceedings of BACCI, NECC and FCoE activities 2005. s. 375-381. Aeroslitutkimusseura ry A4 Conference proceedings

Greenhouse gas fluxes of coniferous forest floors as affected by wood ash addition

Maljanen M, Nykänen H, Moilanen M, Martikainen PJ. 2006. Forest ecology and management. 237: 143-149 A1 Journal article (refereed), original research

Increase of N2O fluxes in agricultural peat and sandy soil under elevated CO2 concentration: concomitant changes in soil moisture, groundwater table and biomass production of Phleum pratense

Kettunen R, Saarnio S, Martikainen PJ, Silvola J. 2006. Nutrient cycling in agroecosystems. 74: 175-189 A1 Journal article (refereed), original research

Long-term effects of northern reservoirs on the landscape-scale CH4 and N2O exchanges

Huttunen JT, Martikainen PJ. Teoksessa: Kulmala M, Lindroth A and Ruuskanen TM(toim.) , 2006. Proceedings of BACCI, NECC and FCoE activities 2005. s. 197-201. Aerosolitutkimusseura ry A4 Conference proceedings

Methane and nitrous oxide fluxes, and carbon dioxide production in boreal forest soil fertilized with wood ash and nitrogen

Maljanen M, Jokinen H, Saari A, Strömmer R, Martikainen PJ. 2006. Soil use and management. 22: 151-157 A1 Journal article (refereed), original research

Methane fluxes at the sediment-water interface in some boreal lakes and reservoirs

Huttunen JT, Väisänen TS, Hellsten SK, Martikainen PJ. 2006. Boreal environment research. 11: 27-34 A1 Journal article (refereed), original research

Microbial communities, biomass, and activities in soils as affected by freeze thaw cycles

Koponen HT, Jaakkola T, Keinänen-Toivola MM, Kaipainen S, Tuomainen J, Servomaa K, Martikainen PJ. 2006. Soil biology and biochemistry. 38: 1861-1871 A1 Journal article (refereed), original research

Resuspension of biofilms and sediments to water from pipelines as a result of pressure shocks in drinking water distribution system

Lehtola MJ, Miettinen IT, Hirvonen A, Vartiainen T, Martikainen PJ. Teoksessa: (toim.) , 2006. Biofilm Systems VI (CD-ROM). s. 8 s.. IWA, NVA A4 Conference proceedings

Sediment respiration and lake trophic state are important predictors of large CO2 evasion from small boreal lakes

Kortelainen P, Rantakari M, Huttunen JT, Mattsson T, Alm J, Juutinen S, Larmola T, Silvola J, Martikainen PJ. 2006. Global change biology. 12: 1554-1567 A1 Journal article (refereed), original research

Selected ion monitoring in quantitative gas-liquid chromatographic - mass spectrometric detection of fatty acid methyl esters from environmental samples

Kontro M, Korhonen L, Vartiainen T, Pellikka P, Martikainen PJ. 2006. Journal of chromatography b: analytical technologies in the biomedical and life sciences. 831: 281-287 A1 Journal article (refereed), original research

Shallow lakes as a source greenhouse gases in taiga and tundra regions of western Siberia

Naumov AV, Huttunen JT, Repo ME, Chichulin AV, Martikainen PJ. Teoksessa: Dudkin SI, Sergeeva SG, Bugaev LA and Dehta VA(toim.) , 2006. Problems of sustainable functioning of aquatic and terrestrial ecosystems. Book of abstracts. International scientific conference (in Russian). s. 282-284. A4 Conference proceedings

Spatial patterns of litter decomposition in the littoral zone of boreal lakes

Larmola T, Alm J, Juutinen S, Koppisch D, Augustin J, Martikainen PJ, Silvola J. 2006. Freshwater biology. 51: 2252-2264 A1 Journal article (refereed), original research

Temperature responses of NO and N2O emissions from boreal organic soil

Koponen HT, Duran CE, Maljanen M, Hytönen J, Martikainen PJ. 2006. Soil biology and biochemistry. 38: 1779-1787 A1 Journal article (refereed), original research

Temporal and seasonal changes in greenhouse gas emissions from a constructed wetland purifying peat mining runoff waters

Liikanen A, Huttunen JT, Karjalainen SM, Heikkinen K, Väisänen TS, Nykänen H, Martikainen PJ. 2006. Ecological engineering. 26: 241-251 A1 Journal article (refereed), original research

The effects of changing water flow velocity on the formation of biofilms and water quality in pilot distribution system consisting of copper or polyethylene pipes

Lehtola MJ, Laxander M, Miettinen IT, Hirvonen A, Vartiainen T, Martikainen PJ. 2006. Water research. 40: 2151-2160 A1 Journal article (refereed), original research

The effects of pipeline material on drinking water quality and formation of biofilms

Lehtola MJ, Miettinen IT, Hirvonen A, Vartiainen T, Martikainen PJ. Teoksessa: (toim.) , 2006. NVK - 2006. 5:e Nordiska Dricksvattenkonferensen. Säker dricksvattenförsörjning. s. 47-53. NORDIWA, Samorka A4 Conference proceedings

Carbon fluxes from a tropical peat swamp forest floor

Jauhiainen J, Takahashi H, Heikkinen JEP, Martikainen P, Vasander H. 2005. Global change biology. 11: 1788-1797 A1 Journal article (refereed), original research

Contribution of trace gases nitrious oxide (N2O) and methane (CH4) to the atmospheric warming balance of forest biomes

Brumme R, Verchot LV, Martikainen PJ, Potter CS. Teoksessa: Griffiths H, Jarvis PG(toim.) , 2005. The Carbon Balance Of Forest Biomes. s. 293-317. Taylor & Francis A3 Book section, Chapters in research books

Elevated CO2 concentration and nitrogen fertilisation effects on N2O and CH4 fluxes and biomass production of Phleum pratense on farmed peat soil

Kettunen R, Saarnio S, Martikainen P, Silvola J. 2005. Soil biology and biochemistry. 37: 739-750 A1 Journal article (refereed), original research

Long-term effects of boreal reservoirs on tha landscape-atmosphere N2O exchange

Huttunen JT, Martikainen PJ. Teoksessa: Jones J(toim.) , 2005. Verhandlungen. Internationale Vereinigung für theoretische und angewandte Limnologie. XXIX Congress Lahti Finland. s. 607-611. E.Schweizerbart'sche Verlagsbuchhandlung A4 Conference proceedings

Long-term net methane release from finnish hydro reservoirs

Huttunen JT, Martikainen PJ. Teoksessa: Aurelio dos Santos M, Pinguelli Rosa L(toim.) , 2005. Global Warming and Hydroelectric Reservoirs. Proceedings of International Seminar on Greenhouse Fluxes from Hydro Reservoirs & Workshop on Modeling Greenhouse Gas Emissions from Reservoir at Watershed Level. s. 125-135. COPPE/UFRJ, Electrobrás A4 Conference proceedings

Metsämaan mikrobiologisten prosessien ilmakehällinen merkitys: metaani (CH4) ja dityppioksidi (N2O)

Martikainen PJ, Saari A, Maljanen M. 2005. Metsäntutkimuslaitoksen tiedonantoja. : 30-40 D1 Article in a trade journal

Microbiological quality control in distribution systems

Lehtola MJ, Miettinen IT, Martikainen PJ. Teoksessa: Lehr JH, Keeley J(toim.) , 2005. Water Encyclopedia: Water Quality and Resource Development. s. 243-247. Wiley A3 Book section, Chapters in research books

Nitrous oxide emissions from constructed boreal wetlands used to polish municipal wastewater

Karjalainen SM, Huttunen JT, Liikanen A, Väisänen TS, Klove B, Ylitolonen A, Heikkinen K, Martikainen PJ. Teoksessa: Jones, J(toim.) , 2005. Verhandlungen. Internationale Vereinigung für theoretische und angewandte Limnologie. XXIX Congress Lahti Finland. s. 612-618. E.Schweizerbart'sche Verlagsbuchhandlung A4 Conference proceedings

Nitrous oxide, nitric oxide and methane emissions from boreal dairy pasture

Maljanen M, Marttikkala M, Koponen H, Saarijärvi K, Virkajärvi P, Martikainen PJ. Teoksessa: Päivi Meriläinen, Leena Sivula and Aimo Oikari (Eds.)(toim.) , 2005. Proceedings Seventh Finnish Conference of Environmental Sciences. s. 54-55. University of Jyväskylä A4 Conference proceedings

Pipeline materials modify the effectiveness of disinfectants in drinking water distribution systems

Lehtola MJ, Miettinen IT, Lampola T, Hirvonen A, Vartiainen T, Martikainen PJ. 2005. Water research. 39: 1962-1971 A1 Journal article (refereed), original research

Putkimateriaalin vaikutukset veden laatuun

Lehtola M, Miettinen I, Hirvonen A, Vartiainen T, Martikainen P. 2005. Vesitalous. 3: 6-10 D1 Article in a trade journal

Carbon balance in East European tundra

Heikkinen JEP, Virtanen T, Huttunen JT, Elsakov V, Martikainen PJ. 2004. Global biogeochemical cycles. 18: GB1023 A1 Journal article (refereed), original research

Carbon dioxide, nitrous oxide and methane dynamics in boreal organic agricultural soils with different soil characteristics

Maljanen M, Komulainen V-M, Hytönen J, Martikainen PJ, Laine J. 2004. Soil biology and biochemistry. 36: 1801-1808 A1 Journal article (refereed), original research

Contribution of vegetated littoral zone to winter fluxes of carbon dioxide and methane from boreal lakes

Larmola T, Alm J, Juutinen S, Huttunen JT, Martikainen PJ, Silvola J. 2004. Journal of geophysical research. 109: D19102 A1 Journal article (refereed), original research

Does afforestation decrease CO2 -fluxes in peat fields?

Mäkiranta P, Hytönen J, Minkkinen K, Maljanen M, Martikainen PJ, Laine J. Teoksessa: Päivänen J(toim.) , 2004. Proceedings of the 12th International Peat Congress. Wise Use of Peatlands. s. 995-999. International Peat Society A4 Conference proceedings

Does afforestation lower N2O emissions from organic (histosols) agricultural soils

Maljanen M, Hytönen J, Mäkiranta P, Laine J, Martikainen P. Teoksessa: Weiske A(toim.) , 2004. Proceedings of the International Conference: Greenhouse Gas Emissions from Agriculture Mitigation Options and Strategies. s. 331-332. Institute for Energy and Environment A4 Conference proceedings

Does afforestation lower N2O emissions from peat soils drained for agriculture?

Maljanen M, Hytönen J, Mäkiranta P, Laine J, Minkkinen K, Martikainen PJ. Teoksessa: Juhani Päivinen(toim.) , 2004. Proceedings of the 12th international peat congress. Wise use of peatlands. s. 1000-1002. International Peat Society A4 Conference proceedings

Floods can cause large interannual differences in littoral net ecosystems productivity

Larmola T, Alm J, Juutinen S, Saarnio S, Martikainen PJ, Silvola J. 2004. Limnology and oceanography. 49: 1896-1906 A1 Journal article (refereed), original research

Formation of biofilms in drinking water distribution networks, a case study in two cities in Finland and Latvia

Lehtola MJ, Juhna T, Miettinen IT, Vartiainen T, Martikainen PJ. 2004. Journal of industrial microbiology and biotechnology. 31: 489-494 A1 Journal article (refereed), original research

Methane consumption in a frequently nitrogen-fertilized and limed spruce forest soil after clear-cutting

Saari A, Smolander A, Martikainen PJ. 2004. Soil use and management. 20: 65-73 A1 Journal article (refereed), original research

Methane oxidation in boreal forest soils: kinetics and sensitivity to pH and ammonium

Saari A, Rinnan R, Martikainen PJ. 2004. Soil biology and biochemistry. 36: 1037-1046 A1 Journal article (refereed), original research

Microbial community structure and biomass in developing drinking water biofilms

Keinänen MM, Martikainen PJ, Kontro MH. 2004. Canadian journal of microbiology. 50: 183-191 A1 Journal article (refereed), original research

Nitrous oxide emissions from agricultural soils at low temperatures: a laboratory microcosm study

Koponen HT, Flöjt L, Martikainen PJ. 2004. Soil biology and biochemistry. 36: 757-766 A1 Journal article (refereed), original research

Occurrence of nitrifiers and diversity of ammonia-oxidizing bacteria in developing drinking water biofilms

Lipponen MTT, Martikainen PJ, Vasara RE, Servomaa K, Zacheus O, Kontro MH. 2004. Water research. 38: 4424-4434 A1 Journal article (refereed), original research

Phosphorus removal in a wetland constructed on former arable land

Liikanen A, Puustinen M, Koskiaho J, Väisänen T, Martikainen P, Hartikainen H. 2004. Journal of environmental quality. 33: 1124-1132 A1 Journal article (refereed), original research

Potential springtime greenhouse gas emissions from a small southern boreal lake (Keihäsjärvi, Finland)

Huttunen JT, Hammar T, Manninen P, Servomaa K, Martikainen PJ. 2004. Boreal environment research. 9: 421-427 A1 Journal article (refereed), original research

Rapid enumeration of virus-like particles in drinking water samples using SYBR green I-staining

Rinta-Kanto JM, Lehtola MJ, Vartiainen T, Martikainen PJ. 2004. Water research. 38: 2614-2618 A1 Journal article (refereed), original research

Reed canary grass cultivation on cut-away peatlands and the ecosystem carbon balance

Huttunen JT, Nykänen H, Martikainen PJ, Shurpali NJ. Teoksessa: Päivänen J(toim.) , 2004. Proceedings of the 12 th International Peat Congress. Wise Use of Peatlands Volume 2 Poster Presentations. s. 977-982. International Peat Society A4 Conference proceedings

Removal of soft deposits from the distribution system improves the drinking water quality

Lehtola MJ, Nissinen TK, Miettinen IT, Martikainen PJ, Vartiainen T. 2004. Water research. 38: 601-610 A1 Journal article (refereed), original research

Soil water content and freezing temperature affect freeze-thaw related N2O production in organic soil

Koponen HT, Martikainen PJ. 2004. Nutrient cycling in agroecosystems. 69: 213-219 A1 Journal article (refereed), original research

Stand-specific diurnal dynamics of CH4 fluxes in boreal lakes: patterns and controls

Juutinen S, Alm J, Larmola T, Saarnio S, Martikainen PJ, Silvola J. 2004. Journal of geophysical research. 109: D19313 A1 Journal article (refereed), original research

A new gypsum-based technique to reduce methane and phophorus release from sediments of eutrophied lakes: (Gypsum treatment to reduce internal loading)

Varjo E, Liikanen A, Salonen V-P, Martikainen PJ. 2003. Water research. 37: 1-10 A1 Journal article (refereed), original research

Annual CO2 exchange and CH4 fluxes on a subarctic palsa mire during climatically different years

Nykänen H, Heikkinen JEP, Pirinen L, Tiilikainen K, Martikainen PJ. 2003. Global biogeochemical cycles. 17: 1-18 A1 Journal article (refereed), original research

Baltic Sea cyanobacterial bloom contains denitrification and nitrification genes, but has negligible denitrification activity

Tuomainen JM, Hietanen S, Kuparinen J, Martikainen PJ, Servomaa K. 2003. Fems microbiology ecology. 45: 83-96 A1 Journal article (refereed), original research

Carbon dioxide and methane fluxes in boreal peatland microcosms with different vegetation cover - effects of ozone or ultraviolet-B exposure

Rinnan R, Impiö M, Silvola J, Holopainen T, Martikainen PJ. 2003. Oecologia. 137: 475-483 A1 Journal article (refereed), original research

Contribution of winter to the annual CH4 emission from a eutrophied boreal lake

Huttunen JT, Alm J, Saarijärvi E, Lappalainen KM, Silvola J, Martikainen PJ. 2003. Chemosphere. 50: 247-250 A1 Journal article (refereed), original research

Dimethyl sulphoxide (DMSO) and dimethyl sulphide (DMS) as inhibitors of methane oxidation in forest soil

Saari A, Martikainen PJ. 2003. Soil biology and biochemistry. 35: 383-389 A1 Journal article (refereed), original research

Ecosystem CO2 exchange and plant biomass in the littoral zone of a boreal eutrophic lake

Larmola T, Alm J, Juutinen S, Martikainen PJ, Silvola J. 2003. Freshwater biology. 48: 1295-1310 A1 Journal article (refereed), original research

Effect of ammonium and oxygen on methane and nitrous oxide fluxes across sediment-water interface in a eutrophic lake

Liikanen A, Martikainen PJ. 2003. Chemosphere. 52: 1287-1293 A1 Journal article (refereed), original research

Factors controlling large scale variations in methane emissions from wetlands

Christensen TR, Ekberg A, Ström L, Mastepanov M, Panikov N, Öquist M, Svensson BH, Nykänen H, Martikainen PJ, Oskarsson H. 2003. Geophysical research letters. 30: 67/1 - 67/4 A1 Journal article (refereed), original research

Fluxes of methane, carbon dioxide and nitrous oxide in boreal lakes and potential anthropogenic effects on the aquatic greenhouse gas emissions

Huttunen JT, Alm J, Liikanen A, Juutinen S, Larmola T, Hammar T, Silvola J, Martikainen PJ. 2003. Chemosphere. 52: 609-621 A1 Journal article (refereed), original research

Fluxes of nitrous oxide and methane from drained peatlands following forest clear-felling in southern Finland

Huttunen JT, Nykänen H, Martikainen PJ, Nieminen M. 2003. Plant and soil. 255: 457-462 A1 Journal article (refereed), original research

Gas chromatographic-mass spectrometric detection of 2- and 3-hydroxy fatty acids as methyl esters from soil, sediment and biofilm

Keinänen MM, Korhonen LK, Martikainen PJ, Vartiainen T, Miettinen IT, Lehtola MJ, Nenonen K, Pajunen H, Kontro MH. 2003. Journal of chromatography b: analytical technologies in the biomedical and life sciences. 783: 443-451 A1 Journal article (refereed), original research

Greenhouse gas dynamics in boreal, littoral sediments under raised CO2 and nitrogen supply

Liikanen A, Ratilainen E, Saarnio S, Alm J, Martikainen PJ, Silvola J. 2003. Freshwater biology. 48: 500-511 A1 Journal article (refereed), original research

Impact of UV disinfection on microbially available phosphorus, organic carbon, and microbial growth in drinking water

Lehtola MJ, Miettinen IT, Vartiainen T, Rantakokko P, Hirvonen A, Martikainen PJ. 2003. Water research. 37: 1064-1070 A1 Journal article (refereed), original research

Järvet ja tekoaltaat kasvihuonekaasujen päästölähteinä

Huttunen JT, Martikainen PJ. 2003. ILMANSUOJELU-LEHTI. 4: 19-24 D1 Article in a trade journal

Long-term availability of nutients in forest soil derived from fast- and slow-release fertilizers

Aarnio T, Räty M, Martikainen PJ. 2003. Plant and soil. 252: 227-239 A1 Journal article (refereed), original research

Major implication of the littoral zone for methane release from boreal lakes

Juutinen S, Alm J, Larmola T, Huttunen JT, Morero M, Martikainen PJ, Silvola J. 2003. Global biogeochemical cycles. 17: 28-1 - 28-11 A1 Journal article (refereed), original research

Measuring N2O emissions from organic soils by closed chamber or soil/snow N2O gradient methods

Maljanen M, Liikanen A, Silvola J, Martikainen PJ. 2003. European journal of soil science. 54: 625-631 A1 Journal article (refereed), original research

Methane (CH4) release from littoral wetlands of boreal lakes during an extended flooding period

Juutinen S, Alm J, Larmola T, Huttunen JT, Morero M, Saarnio S, Martikainen PJ, Silvola J. 2003. Global change biology. 9: 413-424 A1 Journal article (refereed), original research

Methane emissions from natural peatlands in the northern boreal zone in Finland, Fennoscandia

Huttunen JT, Nykänen H, Turunen J, Martikainen PJ. 2003. Atmospheric environment. 37: 147-151 A1 Journal article (refereed), original research

Methane fluxes on agricultural and forested boreal organic soils

Maljanen M, Liikanen A, Silvola J, Martikainen PJ. 2003. Soil use and management. 19: 73-79 A1 Journal article (refereed), original research

Microbial community structure in biofilms and water of a drinking water distribution system determined by lipid biomarkers

Keinänen MM, Martikainen PJ, Korhonen LK, Suutari MH. 2003. Water science and technology. 47: 143-147 A1 Journal article (refereed), original research

Microbial growth in artificially recharged groundwater: experiences from a 4-year project

Miettinen IT, Lehtola M, Vartiainen T, Martikainen PJ. Teoksessa: Gina Melin, National Water Research Institute(toim.) , 2003. The Second International Riverbank Filtration Conference Riverbank Filtration: The Future Is Now! Program & Abstracts. s. 203-206. RBF A4 Conference proceedings

Spatial and seasonal variation in greenhouse gas and nutrient dynamics and their interactions in the sediments of a boreal eutrophic lake

Liikanen A, Huttunen JT, Murtoniemi T, Tanskanen H, Väisänen T, Silvola J, Alm J, Martikainen PJ. 2003. Biogeochemistry. 65: 83-103 A1 Journal article (refereed), original research

A laboratory microcosm for simultaneous gas and nutrient flux measuremets in sediments

Liikanen A, Tanskanen H, Murtoniemi T, Martikainen PJ. 2002. Boreal environment research. 7: 151-160 A1 Journal article (refereed), original research

Agricultural soils as a sink and source of greenhouse gases: A research consortium (AGROGAS)

Martikainen PJ, Regina K, Syväsalo E, Laurila T, Lohila A, Aurela M, Silvola J, Kettunen R, Saarnio S, Koponen H, Jaakkola T, Pärnä A, Silvennoinen H, Lehtonen H, Peltola J, Sinkkonen M, Esala M. Teoksessa: Käyhkö J, Talve L(toim.) , 2002. Understanding the Global System. The Finnish Perspective. s. 55-68. Finnish Global Ghange Research Programme FIGARE A3 Book section, Chapters in research books

Arctic feedbacks to global warming

Kuhry P, Arvola L, Eronen M, Heikkinen J, Huitu E, Järvikoski T, Karjalainen T, Kultti S, Martikainen P, Mikkola K, Nikula A, Oksanen P, Virtanen T, Vuojala-Magga T, Väliranta M. Teoksessa: Käyhkö J, Talve L(toim.) , 2002. Understanding the Global System. The Finnish Perspective. s. 107-118. Finnish Global Change Research Programme FIGARE A3 Book section, Chapters in research books

Biofilm formation in drinking water affected by low concentrations of phosphorus

Lehtola MJ, Miettinen IT, Martikainen PJ. 2002. Canadian journal of microbiology. 48: 494-499 A1 Journal article (refereed), original research

Biogenic controls on trace gas fluxes in northern wetlands

Christensen TR, Lloyd D, Svensson B, Martikainen PJ, Harding R, Oskarsson H, Soegaard H, Friborg T, Panikov N. 2002. GLOBAL CHANGE NEWSLETTER [ONLINE: HTTP://WWW.IGBP.KVA.SE]. : 9-15 D1 Article in a trade journal

Carbon dioxide and methane dynamics and annual carbon balance in tundra wetland in NE Europe, Russia

Heikkinen JEP, Elsakov V, Martikainen PJ. 2002. Global biogeochemical cycles. 16: 62-1 - 62-15 A1 Journal article (refereed), original research

Carbon dioxide and methane dynamics in a sub-Arctic peatland in northern Finland

Heikkinen JEP, Maljanen M, Aurela M, Hargreaves KJ, Martikainen PJ. 2002. Polar research. 21: 49-62 A1 Journal article (refereed), original research

Changes in content of microbially available phosphorus, assimilable organic carbon and microbial growth potential during drinking water treatment processes

Lehtola MJ, Miettinen IT, Vartiainen T, Martikainen PJ. 2002. Water research. 36: 3681-3690 A1 Journal article (refereed), original research

Diversity and activity of microbes oxidizing methane and ammonium in northern organic soils under changing environmental conditions

Martikainen PJ, Vasara RE, Lipponen MT, Tuomainen J, Suutari MH, Servomaa K. Teoksessa: Agathos SN, Reineke W(toim.) , 2002. Biotechnology for the Environment: Strategy and Fundamentals. s. 47-57. Kluwer Academic A3 Book section, Chapters in research books

Effect of experimental nitrogen load on methane and nitrous oxide fluxes on ombrotrophic boreal peatland

Nykänen H, Vasander H, Huttunen JT, Martikainen PJ. 2002. Plant and soil. 242: 147-155 A1 Journal article (refereed), original research

Effects of temperature and oxygen availability on greenhouse gas and nutrient dynamics in sediment of a eutrophic mid-boreal lake

Liikanen A, Murtoniemi T, Tanskanen H, Väisänen T, Martikainen PJ. 2002. Biogeochemistry. 59: 269-286 A1 Journal article (refereed), original research

Elevated UV-B radiation alters fluxes of methane and carbon dioxide in peatland microcosms

Niemi R, Martikainen PJ, Silvola J, Wulff A, Turtola S, Holopainen T. 2002. Global change biology. 8: 361-371 A1 Journal article (refereed), original research

Exchange of CO2, CH4 and N2O between the atmosphere and two northern boreal ponds with catchments dominated by peatlands or forests

Huttunen JT, Väisänen TS, Heikkinen M, Hellsten S, Nykänen H, Nenonen O, Martikainen PJ. 2002. Plant and soil. 242: 137-146 A1 Journal article (refereed), original research

Fluxes of CH4, CO2, and N2O in hydroelectric reservoirs Lokka and Porttipahta in the northern boreal zone in Finland

Huttunen JT, Väisänen TS, Hellsten SK, Heikkinen M, Nykänen H, Jungner H, Niskanen A, Virtanen MO, Lindqvist OV, Nenonen OS, Martikainen PJ. 2002. Global biogeochemical cycles. 16: 1-17 A1 Journal article (refereed), original research

Fluxes of nitrous oxide on natural peatlands in Vuotos, an area projected for a hydroelectric reservoir in northern Finland

Huttunen JT, Nykänen H, Turunen J, Nenonen O, Martikainen PJ. 2002. Suo. 53: 87-96 A1 Journal article (refereed), original research

Gas dynamics in eutrophic lake sediments affected by oxygen, nitrate, and sulfate

Liikanen A, Flöjt L, Martikainen P. 2002. Journal of environmental quality. 31: 338-349 A1 Journal article (refereed), original research

Methane cycling in the sediment and water column of mid-boreal hyper-eutrophic Lake Kevätön, Finland

Liikanen A, Huttunen JT, Valli K, Martikainen PJ. 2002. ARCHIV FUER HYDROBIOLOGIE. 154: 585-603 A1 Journal article (refereed), original research

Microbial community structure in biofilms and water of a drinking water distribution network determined by lipid biomarkers

Keinänen MM, Korhonen LK, Martikainen PJ, Suutari MH. Teoksessa: (toim.) , 2002. International Specialised Conference on Biofilm Monitoring Proceedings. s. 304-306. A4 Conference proceedings

Molecular size fractions of treated aquatic humus

Myllykangas T, Nissinen TK, Rantakokko P, Martikainen PJ, Vartiainen T. 2002. Water research. 36: 3045-3053 A1 Journal article (refereed), original research

Nitrous oxide emissions at low temperatures

Martikainen P. Teoksessa: Petersen SO, Olesen JE(toim.) , 2002. DIAS report, Greenhouse Gas Inventories for Agriculture in the Nordic Countries, Proceedings from an International Workshop. s. 135-142. A4 Conference proceedings

Occurrence of nitrifying bacteria and nitrification in Finnish drinking water distribution systems

Lipponen MTT, Suutari MH, Martikainen PJ. 2002. Water research. 36: 4319-4329 A1 Journal article (refereed), original research

Otsonointi talousveden valmistuksessa -talousveden kemiallinen laatu Suomessa

Nissinen T, Martikainen P, Vartiainen T. 2002. YMPÄRISTÖ JA TERVEYS. SUPPLEMENTTINUMERO. : 34-38 A1 Journal article (refereed), original research

Ozone effects on Sphagnum mosses, carbon dioxide exchange and methane emission in boreal peatland microcosms

Niemi R, Martikainen PJ, Silvola J, Holopainen T. 2002. Science of the total environment. 289: 1-12 A1 Journal article (refereed), original research

Responses of two Sphagnum moss species and Eriophorum vaginatum to enhanced UV-B in a summer of low UV intensity

Niemi R, Martikainen PJ, Silvola J, Sonninen E, Wulff A, Holopainen T. 2002. New phytologist. 156: 509-515 A1 Journal article (refereed), original research

Short-term variation in fluxes of carbon dioxide, nitrous oxide and methane in cultivated and forested organic boreal soils

Maljanen M, Martikainen PJ, Aaltonen H, Silvola J. 2002. Soil biology and biochemistry. 34: 577-584 A1 Journal article (refereed), original research

Talousveden mikrobikasvuun vaikuttavat tekijät

Lehtola M, Miettinen I, Vartiainen T, Martikainen P. 2002. YMPÄRISTÖ JA TERVEYS. SUPPLEMENTTINUMERO. : 30-33 A1 Journal article (refereed), original research

The microbial community structure of drinking water biofilms can be affected by phosphorus availability

Keinänen MM, Korhonen LK, Lehtola MJ, Miettinen IT, Martikainen PJ, Vartiainen T, Suutari MH. 2002. Applied and environmental microbiology. 68: 434-439 A1 Journal article (refereed), original research

A novel sediment gas sampler and a subsurface gas collector used for measurement of the ebullition of methane and carbon dioxide from a eutrophied lake

Huttunen JT, Lappalainen KM, Saarijärvi E, Väisänen T, Martikainen PJ. 2001. Science of the total environment. 266: 153-158 A1 Journal article (refereed), original research

CO2 exchange in an organic field growing barley or grass in eastern Finland

Maljanen M, Martikainen PJ, Walden J, Silvola J. 2001. Global change biology. 7: 679-692 A1 Journal article (refereed), original research

Carbon dioxide and methane dynamics in a tundra wetland in north-east Europe

Heikkinen JEP, Elsakov V, Martikainen PJ. Teoksessa: (toim.) , 2001. Biogeochemical Processes and Cycling of Elements in the Environment. ISEB15 Proceedings of the 15th International Symposium on Environmental Biogeochemistry. s. 129-130. Polish Society of Humic Substances A4 Conference proceedings

Carbon disulfide and hydrogen sulfide removal with a peat biofilter

Hartikainen T, Ruuskanen J, Martikainen P. 2001. Journal of the air and waste management association. 51: 387-392 A1 Journal article (refereed), original research

Copper and silver ions more effective against legionellae than against mycobacteria in a hospital warm water system

Kusnetsov J, Iivanainen E, Elomaa N, Zacheus O, Martikainen P J. 2001. Water research. 35: 4217-4225 A1 Journal article (refereed), original research

Differential inhibition of methane oxidation and nitrification in forest soils by dimethyl sulfoxide (DMSO)

Saari A, Martikainen PJ. 2001. Soil biology and biochemistry. 33: 1567-1570 A1 Journal article (refereed), original research

Effects of spring flood and water level draw-down on methane dynamics in the littoral zone of boreal lakes

Juutinen S, Alm J, Martikainen P, Silvola J. 2001. Freshwater biology. 46: 855-869 A1 Journal article (refereed), original research

Fluxes of N2O, CH4 and CO2 on afforested boreal agricultural soils

Maljanen M, Hytönen J, Martikainen PJ. 2001. Plant and soil. 231: 113-121 A1 Journal article (refereed), original research

Fluxes of greenhouse gases in boreal lakes and reservoirs

Huttunen JT, Martikainen PJ. Teoksessa: Weber J, Jamroz E, Drozd J, Karczewska A(toim.) , 2001. Biogeochemical Processes and Cycling of Elements in the Environment, ISEB15 Proceedings of the 15th International Symposium on Environmental Biogeochemistry. s. 183-184. Polish Society of Humic Substances A4 Conference proceedings

Greenhouse gases in non-oxygenated and artificially oxygenated eutrophied lakes during winter stratiffication

Huttunen JT, Hammar T, Alm J, Silvola J, Martikainen PJ. 2001. Journal of environmental quality. 30: 387-394 A1 Journal article (refereed), original research

Legionellabakteerien ympäristölähteet ja torjunta

Kusnetsov J, Zacheus O, Tiittanen M, Martikainen P. 2001. Ympäristö ja terveys. 32: 36-39 A1 Journal article (refereed), original research

Lipid biomarkers in characterizing microbial communities in drinking water biofilms

Keinänen MM, Korhonen LK, Martikainen PJ, Suutari MH. Teoksessa: (toim.) , 2001. Iwa 2nd world water congress efficient warter management - making it happen preprints. s. . A4 Conference proceedings

Microbial nutrients and growth in artificially recharged ground water

Miettinen IT, Lehtola M, Vartiainen T, Hatva T, Martikainen PJ. Teoksessa: (toim.) , 2001. Iwa 2nd World Water Congress Efficient Water Management - Making it Happen [CD-ROM]. s. . A4 Conference proceedings

Microbially available organic carbon, phosphorus, and microbial growth in ozonated drinking water

Lehtola MJ, Miettinen IT, Vartiainen T, Myllykangas T, Martikainen PJ. 2001. Water research. 35: 1635-1640 A1 Journal article (refereed), original research

Mikrobiravinteet talousvedessä

Lehtola M, Miettinen I, Vartiainen T, Martikainen P. 2001. Ympäristö ja terveys. 32: 8-11 A1 Journal article (refereed), original research

Molecular size distribution of natural organic matter in raw and drinking waters

Nissinen TK, Miettinen IT, Martikainen PJ, Vartiainen T. 2001. Chemosphere. 45: 865-873 A1 Journal article (refereed), original research

Nitrous oxide emission from agricultural soils at low temperatures: a laboratory microcosm study

Koponen H, Martikainen PJ. Teoksessa: Weber J, Jamroz E, Drozd J, Karczewska A(toim.) , 2001. Biogeochemical Processes and Cycling of Elements in the Environment. ISEB15 Proceedings of the 15th International Symposium on Environmental Biogeochemistry. s. 231-232. Polish Society of Humic Substances A4 Conference proceedings

Otsonointi voi nostaa veden mikrobeille käyttökelpisten ravinteiden maarää

Lehtola M, Miettinen I, Vartiainen T, Martikainen P. 2001. Vesitalous. 4: A1 Journal article (refereed), original research

Oxidation of gas mixtures containing dimethyl sulfide, hydrogen sulfide, and methanethiol using a two-stage biotrickling filter

Ruokojärvi A, Ruuskanen J, Martikainen PJ, Olkkonen M. 2001. Journal of the air and waste management association. 51: 11-16 A1 Journal article (refereed), original research

Oxygen, nitrate, and sulphate availability controls greenhouse gas dynamics in freshwater sediments

Liikanen A, Flojt L, Martikainen PJ. Teoksessa: Weber J, Jamroz E, Drozd J, Karczewska A(toim.) , 2001. Biogeochemical Processes and Cycling of Elements in the Environment. ISEB15 Proceedings of the 15th International Symposium on Environmental Biogeochemistry. s. 191-192. Polish Society of Humic Substances A4 Conference proceedings

Recycling nutrients in municipal sludge and fly ash - effects on biomass production and soil microbiology on cut-away peat production areas

Laatikainen T, Raatikainen O, Virkajärvi P, Järvenranta K, Partala A, Mannonen J, Lanki E, Herranen M, Siltaloppi L, Martikainen P. Teoksessa: Weber J, Jamroz E, Drozd J, Karczewska A(toim.) , 2001. Biogeochemical Processes and Cycling of Elements in the Environment. Proceedings of the 15th International Symposium on Environmental Biogeochemistry. s. 121-122. Polish Society of Humic Substances A4 Conference proceedings

Soft deposits, the key site for microbial growth in drinking water distribution networks

Zacheus OM, Lehtola MJ, Korhonen LK, Martikainen PJ. 2001. Water research. 35: 1757-1765 A1 Journal article (refereed), original research

The effect of chlorination on availability of microbial nutrients in drinking water

Lehtola MJ, Miettinen IT, Vartiainen T, Martikainen PJ. Teoksessa: (toim.) , 2001. Iwa 2nd World Water Congress. Efficient Water Management - Making it Happen. [CD-ROM]. s. . A4 Conference proceedings

Bacterial biofilm formation on polyvinyl chloride, polyethylene and stainless steel exposed to ozonated water

Zacheus OM, Iivanainen EK, Nissinen TK, Lehtola MJ, Martikainen PJ. 2000. Water research. 34: 63-70 A1 Journal article (refereed), original research

CH4, CO2 and N2O supersaturation in 12 Finnish lakes before and after ice-melt

Kortelainen P, Huttunen JT, Väisänen T, Mattsson T, Karjalainen P, Martikainen PJ. 2000. . 27: 1410-1414 A1 Journal article (refereed), original research

Changes in quality and quantity of organic matter during artificial recharge of groundwater

Miettinen IT, Lehtola MJ, Vartiainen T, Lindroos A-J, Hatva T, Martikainen PJ. Teoksessa: Sozanski MM, Wydania M, Lemanski JF(toim.) , 2000. Water Supply and Water Quality. IV International Conference. s. 323-326. PZITS A4 Conference proceedings

Content of assimilable organic carbon (AOC) in drinking water pipeline network-effect of pipe cleaning on AOC concentrations

Lehtola MJ, Miettinen IT, Vartiainen T, Martikainen PJ. Teoksessa: Sozanski MM, Wydania M, Lemanski JF(toim.) , 2000. Water Supply and Water Quality. IV International Conference. s. 1191-1194. PZITS A4 Conference proceedings

Käyttöveden haitalliset vierasaineet ja niiden torjunta

Vartiainen T, Nissinen T, Miettinen I, Martikainen P. 2000. TEKNIIKKA JA KUNTA. : 8-10 D1 Article in a trade journal

Methane dynamics of a restored cut-away peatland

Tuittila E-S, Komulainen V-M, Vasander H, Nykänen H, Martikainen PJ, Laine J. 2000. Global change biology. 6: 569-581 A1 Journal article (refereed), original research

Microbially available phosphorus, assimilable organic carbon and microbial growth in Finnish drinking waters

Lehtola MJ, Miettinen IT, Vartiainen T, Martikainen PJ. Teoksessa: (toim.) , 2000. 1st World Water Congress of the International Water Association [CD-ROM]. s. . IWA A4 Conference proceedings

Physiology and taxonomy of Thiobacillus strain TJ330, which oxidizes carbon disulphide (CS2)

Hartikainen T, Ruuskanen J, Räty K, von Wright A, Martikainen PJ. 2000. Journal of applied microbiology. 89: 580-586 A1 Journal article (refereed), original research

Predicting variations in methane emissions from boreal peatlands through regression models

Kettunen A, Kaitala V, Alm J, Silvola J, Nykänen H, Martikainen PJ. 2000. Boreal environment research. 5: 115-131 A1 Journal article (refereed), original research

Removal of dimethyl sulphide from off-gas mixtures containing hydrogen sulphide and methanethiol by a biotrickling filter

Ruokojärvi A, Aatamila M, Hartikainen T, Olkkonen M, Salmi J, Ruuskanen J, Martikainen PJ. 2000. Environmental technology. 21: 1173-1180 A1 Journal article (refereed), original research

Talousveden mikrobiologinen puhtaus

Miettinen I, Martikainen P, Zacheus O, Lehtola M, Vartiainen T. 2000. KEMIA-KEMI. 27: 355-358 D1 Article in a trade journal

The effect of depth and mire gases on the hydraulic conductivity of peat

Korpijaakko M, Nykänen H, Martikainen PJ. Teoksessa: Rochefort L, Daigle J-Y(toim.) , 2000. Sustaining Our Peatlands. Proceedings of the 11th International Peat Congress. s. 605-612. Gerry Hood A4 Conference proceedings

The effect of pipe cleaning on disinfection by-products

Nissinen TK, Vartiainen T, Martikainen PJ. Teoksessa: (toim.) , 2000. 1st World Water Congress of the International Water Association [CD-ROM]. s. . IWA A4 Conference proceedings

Trihalomethanes in drinking water distribution system of four Finnish waterworks

Nissinen TK, Miettinen IT, Martikainen PJ, Vartiainen T. Teoksessa: Sozanski MM, Wydania M, Lemanski JF(toim.) , 2000. Water Supply and Water Quality. IV International Conference. s. 1195-1198. PZITS A4 Conference proceedings

Vegetation succession controls methane emission from restored cut-away peatland

Tuittila E-S, Komulainen V-M, Vasander H, Nykänen H, Martikainen PJ, Laine J. Teoksessa: Rochefort L, Daigle J-Y(toim.) , 2000. Sustaining Our Peatlands. Proceedings of the 11th International Peat Congress. s. 685-692. Gerry Hood A4 Conference proceedings

A new sensitive bioassay for determination of microbially available phosphorus in water

Lehtola MJ, Miettinen IT , Vartiainen T, Martikainen PJ. 1999. Applied and environmental microbiology. 65: 2032-2034 A1 Journal article (refereed), original research

Carbon balance of a boreal bog during a year with an exceptionally dry summer

Alm J, Schulman L, Walden J, Nykänen H, Martikainen PJ, Silvola J. 1999. Ecology. 80: 161-174 A1 Journal article (refereed), original research

Determination of assimilable organic carbon in humus-rich drinking waters

Miettinen IT, Vartiainen T, Martikainen PJ. 1999. Water research. 33: 2277-2282 A1 Journal article (refereed), original research

Mikrobeille käyttökelpoisen fosforin analysointi juomavedestä

Lehtola M, Miettinen I, Vartiainen T, Martikainen P. 1999. Vesitalous. : 8-9 D1 Article in a trade journal

Nitrifikaatiobakteereja vesijohtoverkostossa

Lipponen M, Suutari M, Martikainen P. 1999. KANSANTERVEYS. : 3 D1 Article in a trade journal

Winter CO2, CH4 and N20 fluxes on some natural and drained boreal peatlands

Alm J, Saarnio S, Nykänen H, Silvola J, Martikainen PJ. 1999. Biogeochemistry. 44: 163-186 A1 Journal article (refereed), original research

Artificial recharge of ground water, organic carbon and microbes

Miettinen IT, Lehtola MJ, Vartiainen T, Martikainen PJ. Teoksessa: Peters JH et al.(toim.) , 1998. Artificial Recharge of Groundwater. Proceedings of the Third International Symposium on Artificial Recharge of Groundwater. s. 465-467. A.A. Balkema A4 Conference proceedings

Effect of the organic horizon on methane oxidation and uptake in soil of a boreal Scots pine forest

Saari A, Heiskanen J, Martikainen PJ. 1998. Fems microbiology ecology. 26: 245-255 A1 Journal article (refereed), original research

Effects of raised CO2 on potential CH4 production and oxidation in, and CH4 emission from, a boreal mire

Saarnio S, Alm J, Martikainen PJ, Silvola J. 1998. Journal of ecology. 86: 261-268 A1 Journal article (refereed), original research

Emissions of N2O and NO and net nitrogen mineralization in a boreal forested peatland treated with different nitrogen compounds

Regina K, Nykänen H, Maljanen M, Silvola J, Martikainen PJ. 1998. Canadian journal of forest research-revue canadienne de recherche forestiere. 28: 132-140 A1 Journal article (refereed), original research

Global change and root function

Noordwijk M van, Martikainen P, Bottner P, Cuevas E, Rouland C, Dhillion SS. 1998. Global change biology. 4: 759-772 A1 Journal article (refereed), original research

Mechanisms of N2O and NO production in the soil profile of a drained and forested peatland, as studied with acetylene, nitrapyrin and dimethyl ether

Regina K, Silvola J, Martikainen PJ. 1998. Biology and fertility of soils. 27: 205-210 A1 Journal article (refereed), original research

Methane fluxes on boreal peatlands of different fertility and the effect of long-term experimental lowering of the water table on flux rates

Nykänen H, Alm J, Silvola J, Tolonen K, Martikainen PJ. 1998. Global biogeochemical cycles. 12: 53-69 A1 Journal article (refereed), original research

Methane release from stands of water horsetail (Equisetum fluviatile) in a boreal lake

Hyvönen T, Ojala A, Kankaala P, Martikainen PJ. 1998. Freshwater biology. 40: 275-284 A1 Journal article (refereed), original research

Microbial growth in drinking waters treated with ozone, ozone/hydrogen peroxide or chlorine

Miettinen IT, Vartiainen T, Nissinen T, Tuhkanen T, Martikainen PJ. 1998. Ozone-science and engineering. 20: 303-315 A1 Journal article (refereed), original research

Mikrobien jälkikasvu suomalaisissa verkostovesissä vuonna 1995

Miettinen I, Iivanainen E, Vartiainen T, Martikainen PJ. 1998. Kansanterveyslaitoksen julkaisuja. . Kansanterveyslaitos D5 Textbook, professional manual or guide

Short-term effect of restoration on vegetation change and methane emissions from peatlands drained for forestry in southern Finland

Komulainen V-M, Nykänen H, Martikainen PJ, Laine J. 1998. Canadian journal of forest research-revue canadienne de recherche forestiere. 28: 402-411 A1 Journal article (refereed), original research

Vedenkäsittelyn vaikutukset juomaveden ravinteisiin ja mikrobien jälkikasvuun

Miettinen I, Lehtola M, Vartiainen T, Martikainen P. 1998. Vesitalous. : 4-7 D1 Article in a trade journal

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Half-a-century effects of a slow-release nitrogen fertilizer, ureaformaldehyde, on stand growth and soil processes in a Scots pine stand

Heterotrophic nitrification – An eternal mystery in the nitrogen cycle

Thawing Yedoma permafrost is a neglected nitrous oxide source

Warming climate forcing impact from a sub-arctic peatland as a result of late Holocene permafrost aggradation and initiation of bare peat surfaces

Atmospheric impact of nitrous oxide uptake by boreal forest soils can be comparable to that of methane uptake

Carbon dioxide and methane exchange of a perennial grassland on a boreal mineral soil

Nitrous oxide emissions from permafrost-affected soils

Rising methane emissions from boreal lakes due to increasing ice-free days

Archaeal nitrification is a key driver of high nitrous oxide emissions from arctic peatlands

Ecosystem carbon response of an Arctic peatland to simulated permafrost thaw

Germinating wheat promotes the emission of atmospherically significant nitrous acid (HONO) gas from soils

Lakes as nitrous oxide sources in the boreal landscape

Uptake of Soil-Derived Carbon into Plants: Implications for Disposal of Nuclear Waste

A plant-microbe interaction framework explaining nutrient effects on primary production

Factors controlling nitrous oxide emissions from managed northern peat soils with low carbon to nitrogen ratio

Significance of dark CO2 fixation in arctic soils

Tundra landscape heterogeneity, not inter-annual variability, controls the decadal regional carbon balance in the Western Russian Arctic

Degradation potentials of dissolved organic carbon (DOC) from thawed permafrost peat

Increased nitrous oxide emissions from Arctic peatlands after permafrost thaw

Mechanisms responsible for high N2O emissions from subarctic permafrost peatlands studied via stable isotope techniques

Carbon dioxide exchange of a perennial bioenergy crop cultivation on a mineral soil

Heterogeneity of carbon loss and its temperature sensitivity in East-European subarctic tundra soils

Methane dynamics in the subarctic tundra: combining stable isotope analyses, plot- and ecosystem-scale flux measurements

Morphology and properties of the soils of permafrost peatlands in the southeast of the Bol'shezemel'skaya tundra

Potential carbon emissions dominated by carbon dioxide from thawed permafrost soils

Raetuhkalannoituksen vaikutus suometsien N2O-päästöihin

Seasonal and diurnal variation in CO fluxes from an agricultural bioenergy crop

Variation in N2 Fixation in Subarctic Tundra in Relation to Landscape Position and Nitrogen Pools and Fluxes

Warming of subarctic tundra increases emissions of all three important greenhouse gases - carbon dioxide, methane, and nitrous oxide

Environmental and microbial factors influencing methane and nitrous oxide fluxes in Mediterranean cork oak woodlands: trees make a difference

Intercomparison of fast response commercial gas analysers for nitrous oxide flux measurements under field conditions

The uncertain climate footprint of wetlands under human pressure

The effect of granulated wood-ash fertilization on soil properties and greenhouse gas (GHG) emissions in boreal peatland forests

Why granulated wood ash decreases N2O production in boreal acidic peat soil?

Acidic northern soils as sources of atmospheric nitrous acid (HONO)

Atmospheric impact of abandoned boreal organic agricultural soils depends on hydrological conditions

Carbon evasion/accumulation ratio in boreal lakes is linked to nitrogen

Effects of elevated UV-B radiation on UV-absorbing pigments and leaf anatomy of a sedge, Eriophorum russeolum

High sensitivity of peat moisture content to seasonal climate in a cutaway peatland cultivated with a perennial crop (Phalaris arundinaceae, L.): A modeling study

Linking microbial community structure and allocation of plant-derived carbon in an organic agricultural soil using 13CO2 pulse-chase labelling combined with 13C-PLFA profiling

Linking water vapor and CO2 exchange from a perennial bioenergy crop on a drained organic soil in eastern Finland

Microbial respiration in Arctic upland and peat soils as source of CO2

Modeling CO2 and CH4 flux changes in pristine peatlands of Finland under changing climate conditions

Puuntuhkalannoituksen vaikutukset turpeen ominaisuuksiin sekä metaani- ja dityppioksidipäästöihin suometsässä

The role of drainage ditches in greenhouse gas emissions and surface leaching losses from a cutaway peatland cultivated with a perennial bioenergy crop

Trophic transfer of polychlorinated biphenyls (PCB) in a boreal lake ecosystem: Testing of bioaccumulation models

A novel 14C approach to follow fate of carbon in organic soils

Acclimation of photosynthesis in a boreal grass (Phalaris arundinacea L.) under different temperature, CO2, and soil water regimes

Afforestation does not necessarily reduce nitrous oxide emissions from managed boreal peat soils

An isotope approach based on 13C pulse-chase labelling vs. the root trenching method to separate heterotrophic and autotrophic respiration in cultivated peatland

Atmospheric impact of abandoned boreal organic agricultural soils depends on hydrology of peat

Boreal peatland ecosystems under enhanced UV-B radiation and elevated tropospheric ozone concentration

Carbon assimilation and allocation (13C labeling) in a boreal perennial grass (Phalaris arundinacea) subjected to elevated temperature and CO2 through a growing season

Carbon dioxide balance of subarctic tundra from plot to regional scales

Dairy cow excreta patches change the boreal grass swards from sink to source of methane

Effects of nitrogen load on the function and diversity of methanotrophs in the littoral wetland of a boreal lake

Greenhouse gas balance of a subarctic tundra - importance of carbon dioxide, methane and nitrous oxide from different land cover types

Life-cycle climate impacts of peat fuel: calculation methods and methodological challenges

Measured and modeled biomass growth in relation to photosynthesis acclimation of a bioenergy crop (Reed canary grass) under elevated temperature, CO2 enrichment and different water regimes

Minor long-term effects of ultraviolet-B radiation on methane dynamics of a subarctic fen in Northern Finland

Mitigation of nitrous oxide emissions from peat soils used for forestry or agriculture by controlling the biogeochemical processes

Modeling water table changes in boreal peatlands of Finland under changing climate conditions

Multi-objective environment chamber system for studying plant responses to climate change

Quantification of greenhouse gas emissions from sludge treatment wetlands

Seasonal physiological responses and biomass growth in a bioenergy crop (Phalaris arundinacea L.) under elevated temperature and CO2, subjected to different water regimes in boreal conditions

Seasonal variation in the function and diversity of methanotrophs in the littoral wetland of a boreal eutrophic lake

The flow of carbon from plants through microbes to atmosphere in an organic agricultural soil using 13CO2 pulse-chase labelling and implications for carbon sequestration potential

Differentiating sources of CO2 from organic soil under bioenergy crop cultivation: A field-based approach using 14C

Effects of elevated CO2 and temperature on leaf characteristics, photosynthesis and carbon storage in aboveground biomass of a boreal bioenergy crop (Phalaris arundinacea L.) under varying water regimes

Hot spots for nitrous oxide emissions found in different types of permafrost peatlands

Hydrology is reflected in the functioning and community composition of methanotrophs in the littoral wetland of a boreal lake

Long-term effects of ozone on CO2 exchange in peatland microcosms

Minor effects of long-term ozone exposure on boreal peatland species Eriophorum vaginatum and Sphagnum papillosum

Responses of leaf photosynthesis, pigments and chlorophyll fluorescence within canopy position in a boreal grass (Phalaris arundinacea L.) to elevated temperature and CO2 under varying water regimes

Atmospheric impact of bioenergy based on perennial crop (reed canary grass, Phalaris arundinaceae, L.) cultivation on a drained boreal organic soil

Climate impacts of peat fuel utilization chains : a critical review of the Finnish and Swedish life cycle assessments

Cold-season nitrous oxide dynamics in a drained boreal peatland differ depending on land-use practice