Conservation value of nature reserves: do hole-nesting birds prefer protected forests in southern Finland?
| Autor: | Virkkala, Raimo, Rajasärkkä, Ari, Väisänen, Risto A., Vickholm, Markku, Virolainen, Erkki |
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| Zdroj: | Annales Zoologici Fennici, 1994 Jan 01. 31(1), 173-186. |
| Databáze: | JSTOR Journals |
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