Effects of Changing Forest Structure on Long-Term Trends in Bird Populations in SW Finland
| Autor: | Haila, Yrjö, Järvinen, Olli, Väisänen, Risto A. |
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| Zdroj: | Ornis Scandinavica (Scandinavian Journal of Ornithology), 1980 Jan 01. 11(1), 12-22. |
| Databáze: | JSTOR Journals |
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