Timo Pakkala
Julkaisut
9/9 kappaletta-
Pilot Study of Sap Properties of Norway Spruce (Picea abies (L.) Karst.) Trees Used and Not Used for Sap-Feeding by Three-Toed Woodpeckers (Picoides tridactylus)
Jyske, Tuula; Keinänen, Sini; Hölttä, Teemu; Lintunen, Anna; Pranovich, Andrey; Laakso, Tapio; Suuronen, Jussi-Petteri; da Silva Viana, Gabriel; Pakkala, Timo. 2022. Forests. 13: A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä -
Nest tree characteristics of Grey-headed Woodpeckers (Picus canus) in boreal forests
Pakkala, Timo; Tiainen, Juha; Pakkala, Heikki; Piha, Markus; Kouki, Jari. 2020. Ornis fennica -
Hole life: survival patterns and reuse of cavities made by the Lesser Spotted Woodpecker Dendrocopos minor
Pakkala, Timo; Tiainen, Juha; Piha, Markus; Kouki, Jari. 2019. Ardea -
Nest tree characteristics of the Lesser Spotted Woodpecker (Dendrocopos minor) in boreal forest landscapes
Pakkala, Timo; Tiainen, Juha; Pakkala, Heikki; Piha, Markus; Kouki, Jari. 2019. Ornis fennica -
Three-toed Woodpecker cavities in trees: A keystone structural feature in forests shows decadal persistence but only short-term benefit for secondary cavity-breeders
Pakkala, Timo; Tiainen, Juha; Piha, Markus; Kouki, Jari. 2018. Forest ecology and management -
Tree Sap as an Important Seasonal Food Resource for Woodpeckers: The Case of the Eurasian Three-Toed Woodpecker (Picoides tridactylus) in Southern Finland
Pakkala, Timo; Piiroinen, Jarmo; Lakka, Johanna; Tiainen, Juha; Piha, Markus; Kouki, Jari. 2018. Annales zoologici Fennici -
Phloem sap in re-damaged Scots pine trees provides instant foraging opportunities for Three-toed Woodpeckers Picoides tridactylus
Pakkala Timo, Kouki Jari, Piha Markus, Tilainen Juha. 2017. Ornis Svecica -
The importance of nesting cavity and tree reuse in the three-toed woodpecker Picoides tridactylus in dynamic forest landscapes
Pakkala Timo, Tiainen Juha, Kouki Jari. 2017. Annales zoologici Fennici -
Indicators of forest biodiversity: which bird species predict high breeding bird assemblage diversity in boreal forests at multiple spatial scales?
Pakkala Timo, Lindén Andreas, Tiainen Juha, Tomppo Erkki, Kouki Jari. 2014. Annales zoologici Fennici