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Auteur Timo Pakkala |
Documents disponibles écrits par cet auteur (2)
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Article
Timo Pakkala, Auteur ; Juha Tiainen, Auteur ; Heikki Pakkala, Auteur ; Markus Piha, Auteur ; Jari Kouki, AuteurWoodpeckers are important species in forest ecosystems because they make tree cavities that are microhabitats for several other taxa. However, even in boreal areas where most tree cavities are made by wood-peckers, the properties of woodpeckers'[...]![]()
Article
Timo Pakkala, Auteur ; Juha Tiainen, Auteur ; Markus Piha, Auteur ; Jari Kouki, AuteurPrimary cavity-producers such as woodpeckers produce nest sites for several other cavity-nesting animals and, thus, are often considered to be keystone species. However, the persistence and occupancy rates of cavities are rarely known and as suc[...]



