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About

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Marja Niemi

Marja Niemi

Research Manager

Department of Environmental and Biological Sciences, Faculty of Science, Forestry and Technology

[email protected]

Information Publications

Research groups

Saimaa ringed seal research 01.01.2006 -

Projects

Understanding ecology of ringed seals to enhance sustainable management in a changing environment (SealHabitat) 01.08.2025 - 31.07.2028
Safeguarding the Saimaa Ringed Seal Finished 01.08.2013 - 31.12.2018
Towards sustainable coexistence of seals and humans (CoExist) Finished 01.04.2019 - 31.03.2022
Working together to save the Saimaa Ringed Seal in changing environment 01.09.2020 - 31.12.2025

Publications

34/34 items

Aquatic vocalization activity indicates the timing of the mating season of Saimaa ringed seals
Young, Mairi; Nykänen, Milaja; Niemi, Marja; Kurkilahti, Mika; Kunnasranta, Mervi, 2025, Marine mammal science, 41, 3, e13225. A1 Journal article (refereed), original research
Linking ringed seal foraging behaviour to environmental variability
Nykänen, Milaja; Niemi, Marja; Biard, Vincent; Carter, Matt ID; Pirotta, Enrico; Kunnasranta, Mervi, 2025, Movement ecology, 13, 1, 31. A1 Journal article (refereed), original research
Multiannual co-occurrences between Saimaa ringed seal individuals suggest social associations during the moulting season
Biard, Vincent; Mutka, Piia; Young, Mairi; Niemi, Marja; Nyman, Tommi; Nykänen, Milaja; Kunnasranta, Mervi, 2025, Animal behaviour, 277, 123273. A1 Journal article (refereed), original research
Effects of fishing restrictions on the recovery of the endangered Saimaa ringed seal (Pusa hispida saimensis) population
Jounela, Pekka; Auttila, Miina; Alakoski, Riikka; Niemi, Marja; Kunnasranta, Mervi, 2024, PLoS ONE, 19, 12, e0311255. A1 Journal article (refereed), original research
Mercury exposure in ringed seals (Pusa hispida saimensis) in Lake Saimaa, Finland, and the placenta as a possible non-invasive biomonitoring tool
Simola, Jesse; Kunnasranta, Mervi; Niemi, Marja; Biard, Vincent; Akkanen, Jarkko, 2024, Environmental science and pollution research, 31, 47, 57720-57732. A1 Journal article (refereed), original research
Genomic evidence uncovers inbreeding and supports translocations in rescuing the genetic diversity of a landlocked seal population
Sundell, Tarja; Kammonen, Juhana, I; Mustanoja, Ella; Biard, Vincent; Kunnasranta, Mervi; Niemi, Marja; Nykanen, Milaja; Nyman, Tommi; Palo, Jukka U; Valtonen, Mia; Paulin, Lars; Jernvall, Jukka; Auvinen, Petri, 2023, Conservation genetics, 24, 2, 155-165. A1 Journal article (refereed), original research
Seasonal changes in diel haul-out patterns of a lacustrine ringed seal (Pusa hispida saimensis)
Niemi, Marja; Nykanen, Milaja; Biard, Vincent; Kunnasranta, Mervi, 2023, Ecology and evolution, 13, 7, e10264. A1 Journal article (refereed), original research
Developing artificial nest boxes for a large aquatic mammal
Kunnasranta, Mervi; Niemi, Marja; Auttila, Miina, 2022, Aquatic conservation : marine and freshwater ecosystems, 32, 8, 1365-1371. A1 Journal article (refereed), original research
Extreme moulting site fidelity of the Saimaa ringed seal
Biard, Vincent; Nykänen, Milaja; Niemi, Marja; Kunnasranta, Mervi, 2022, Mammalian biology, 102, 4, 1483-1495. A1 Journal article (refereed), original research
Molting phenology of a lacustrine ringed seal, Pusa hispida saimensis
Niemi, Marja; Nykänen, Milaja; Biard, Vincent; Kurkilahti, Mika; Kunnasranta, Mervi, 2022, Ecology and evolution, 12, 8, e9248. A1 Journal article (refereed), original research
SealID: Saimaa Ringed Seal Re-Identification Dataset
Nepovinnykh, Ekaterina; Eerola, Tuomas; Biard, Vincent; Mutka, Piia; Niemi, Marja; Kunnasranta, Mervi; Kälviäinen, Heikki, 2022, Sensors, 22, 19, 7602. A1 Journal article (refereed), original research
Sealed in a lake - Biology and conservation of the endangered Saimaa ringed seal: A review
Kunnasranta, Mervi; Niemi, Marja; Auttila, Miina; Valtonen, Mia; Kammonen, Juhana; Nyman, Tommi, 2020, Biological conservation, 2021; 253, 108908. A2 Review article, Literature review, Systematic review
A mark-recapture approach for estimating population size of the endangered ringed seal (Phoca hispida saimensis)
Koivuniemi, M; Kurkilahti, M; Niemi, M; Auttila, M; Kunnasranta, M, 2019, PLoS ONE, 14, 3, e0214269. A1 Journal article (refereed), original research
Incidental bycatch mortality and fishing restrictions: impacts on juvenile survival in the Endangered Saimaa ringed seal Pusa hipida saimensis
Jounela, Pekka; Sipilä, Tero; Koskela, Jouni; Tiilikainen, Raisa; Auttila, Miina; Niemi, Marja; Kunnasranta, Mervi, 2019, Endangered species research, 38, 91-99. A1 Journal article (refereed), original research
Winter behavior of Saimaa ringed seals: Non-overlapping core areas as indicators of avoidance in breeding females
Niemi, Marja; Liukkonen, Lauri; Koivuniemi, Meeri; Auttila, Miina; Rautio, Anni; Kunnasranta, Mervi, 2019, PLoS ONE, 14, 1, e0210266. A1 Journal article (refereed), original research
Automatic individual identification of Saimaa ringed seals
Chehrsimin Tina, Eerola Tuomas, Koivuniemi Meeri, Auttila Miina, Levänen Riikka, Niemi Marja, Kunnasranta Mervi, Kälviäinen Heikki, 2017, Iet computer vision, 2018; 12, 2, 146-152. A1 Journal article (refereed), original research
Long-term effects of land use on perinatal mortality in the Endangered Saimaa ringed seal population
Liukkonen Lauri, Rautio Anni, Sipilä Tero, Niemi Marja, Auttila Miina, Koskela Jouni, Kunnasranta Mervi, 2017, Endangered species research, 34, 283-291. A1 Journal article (refereed), original research
Modelling movements of Saimaa ringed seals using an individual-based approach
Liukkonen Lauri, Ayllón Daniel, Kunnasranta Mervi, Niemi Marja, Nabe-Nielsen Jacob, Grimm Volker, Nyman Anna-Maija, 2017, Ecological modelling, 2018; 368, 321-335. A1 Journal article (refereed), original research
Photo-ID as a tool for studying and monitoring the endangered Saimaa ringed seal
Koivuniemi Meeri, Auttila Miina, Niemi Marja, Levänen Riikka, Kunnasranta Mervi, 2016, Endangered species research, 30, 29-36. A1 Journal article (refereed), original research
Saimaannorpan suojelubiologiaa: tutkimuksista toimenpiteisiin
Kunnasranta M, Niemi M, Auttila M, 2016, Suomen riista, 62, 71-82. D1 Article in a trade journal
Identifying foraging habitats of Baltic ringed seals using movement data
Oksanen Sari M, Niemi Marja, Ahola Markus P, Kunnasranta Mervi, 2015, Movement ecology, 3, 1, 1-11. A1 Journal article (refereed), original research
Morphometrics, body condition, and growth of the ringed seal (Pusa hispida saimensis) in Lake Saimaa: Implications for conservation
Auttila Miina, Kurkilahti Mika, Niemi Marja, Levänen Riikka, Sipilä Tero, Isomursu Marja, Koskela Jouni, Kunnasranta Mervi, 2015, Marine mammal science, [epub ahead of print 20 AUG 2015]. A1 Journal article (refereed), original research
Segmentation of Saimaa ringed seals for identification purposes
Zhelezniakov Artem, Eerola Tuomas, Koivuniemi Meeri, Auttila Miina, Levänen Riikka, Niemi Marja, Kunnasranta Mervi, Kälviäinen Heikki, 2015, George Bebis, Richard Boyle, Bahram Parvin, Darko Koracin, Ioannis Pavlidis, Rogerio Feris, Tim McGraw, Mark Elendt, Regis Kopper, Eric Ragan, Zhao Ye, Gunther Weber, Advances in Visual Computing, 227-236, International Symposium on Visual Computing. A4 Conference proceedings
Diet composition and seasonal feeding patterns of a freshwater ringed seal (Pusa hispida saimensis)
Auttila Miina, Sinisalo Tuula, Valtonen Mia, Niemi Marja, Viljanen Markku, Kurkilahti Mika, Kunnasranta Mervi, 2014, Marine mammal science, Published online: 28 APR 2014. A1 Journal article (refereed), original research
Estimating and mitigating perinatal mortality in the endangered Saimaa ringed seal (Phoca hispida saimensis) in a changing climate
Auttila Miina, Niemi Marja, Skrzypczak Teresa, Viljanen Markku, Kunnasranta Mervi, 2014, Annales zoologici Fennici, 51, 6, 526-534. A1 Journal article (refereed), original research
Haulout patterns of Saimaa ringed seals and their response to boat traffic during the moulting season
Niemi Marja, Auttila Miina, Valtonen Anu, Viljanen Markku, Kunnasranta Mervi, 2013, Endangered species research, 22, 115-124. A1 Journal article (refereed), original research
Home range, survival, and dispersal of endangered Saimaa ringed seal pups: Implications for conservation
Niemi Marja, Auttila Miina, Viljanen Markku, Kunnasranta Mervi, 2013, Marine mammal science, 29, 1, 1-13. A1 Journal article (refereed), original research
Movement data and their application for assessing the current distribution and conservation needs of the endangered Saimaa ringed seal
Niemi Marja, Auttila Miina, Viljanen Markku, Kunnasranta Mervi, 2012, Endangered species research, 19, 99-108. A1 Journal article (refereed), original research
Saimaannorppa
Kunnasranta Mervi, Auttila Miina, Niemi Marja, Viljanen Markku, 2012, Reija Ruuhela, Miten väistämättömään ilmastonmuutokseen voidaan varautua? Yhteenveto suomalaisesta sopeutumistutkimuksesta eri toimialoilla, 82-83. D2 Article in a professional book (incl. an introduction by the editor)
Tutkimus perustana norpan suojelulle
Auttila, M., Niemi, M. & Kunnasranta, M., 2010, Suomen Kalastuslehti, 7/2010, 12-14. D1 Article in a trade journal
Home ranges and movements of Saimaa ringed seal pups during the post-weaning period
Niemi, M., Kunnasranta, M. & Auttila, M., 2009.
Vocal repertoire of the Saimaa ringed seal (Phoca hispida saimensis) during the breeding season
Rautio, A., Niemi, M., Kunnasranta, M., Holopainen, I.J. & Hyvärinen, H., 2009, Marine mammal science, 25, 4, 920-930. A1 Journal article (refereed), original research
Temperature data collected by equipment on free-living seals (Phoca hispida saimensis) in Lake Saimaa
Marja Niemi, Mervi Kunnasranta, Markku Viljanen & Ismo J. Holopainen, 2008.
Haittalintujen karkotukseen kokeiltu kymmeniä keinoja
Niemi;M., 2007, Maatilan Pellervo, Huhtikuu 2007, 4-7. E1 Popularised article, newspaper article

University of Eastern Finland Joensuu, Kuopio © University of Eastern Finland

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Refine your search

Marja Niemi

Research groups

Projects

Aquatic vocalization activity indicates the timing of the mating season of Saimaa ringed seals

Linking ringed seal foraging behaviour to environmental variability

Multiannual co-occurrences between Saimaa ringed seal individuals suggest social associations during the moulting season

Effects of fishing restrictions on the recovery of the endangered Saimaa ringed seal (Pusa hispida saimensis) population

Mercury exposure in ringed seals (Pusa hispida saimensis) in Lake Saimaa, Finland, and the placenta as a possible non-invasive biomonitoring tool

Genomic evidence uncovers inbreeding and supports translocations in rescuing the genetic diversity of a landlocked seal population

Seasonal changes in diel haul-out patterns of a lacustrine ringed seal (Pusa hispida saimensis)

Developing artificial nest boxes for a large aquatic mammal

Extreme moulting site fidelity of the Saimaa ringed seal

Molting phenology of a lacustrine ringed seal, Pusa hispida saimensis

SealID: Saimaa Ringed Seal Re-Identification Dataset

Sealed in a lake - Biology and conservation of the endangered Saimaa ringed seal: A review

A mark-recapture approach for estimating population size of the endangered ringed seal (Phoca hispida saimensis)

Incidental bycatch mortality and fishing restrictions: impacts on juvenile survival in the Endangered Saimaa ringed seal Pusa hipida saimensis

Winter behavior of Saimaa ringed seals: Non-overlapping core areas as indicators of avoidance in breeding females

Automatic individual identification of Saimaa ringed seals

Long-term effects of land use on perinatal mortality in the Endangered Saimaa ringed seal population

Modelling movements of Saimaa ringed seals using an individual-based approach

Photo-ID as a tool for studying and monitoring the endangered Saimaa ringed seal

Saimaannorpan suojelubiologiaa: tutkimuksista toimenpiteisiin

Identifying foraging habitats of Baltic ringed seals using movement data

Morphometrics, body condition, and growth of the ringed seal (Pusa hispida saimensis) in Lake Saimaa: Implications for conservation

Segmentation of Saimaa ringed seals for identification purposes

Diet composition and seasonal feeding patterns of a freshwater ringed seal (Pusa hispida saimensis)

Estimating and mitigating perinatal mortality in the endangered Saimaa ringed seal (Phoca hispida saimensis) in a changing climate

Haulout patterns of Saimaa ringed seals and their response to boat traffic during the moulting season

Home range, survival, and dispersal of endangered Saimaa ringed seal pups: Implications for conservation

Movement data and their application for assessing the current distribution and conservation needs of the endangered Saimaa ringed seal

Saimaannorppa

Tutkimus perustana norpan suojelulle

Home ranges and movements of Saimaa ringed seal pups during the post-weaning period

Vocal repertoire of the Saimaa ringed seal (Phoca hispida saimensis) during the breeding season

Temperature data collected by equipment on free-living seals (Phoca hispida saimensis) in Lake Saimaa

Haittalintujen karkotukseen kokeiltu kymmeniä keinoja