Effects of elevation and forest cover on winter birds in mature forest ecosystems of southern British Columbia.
| Autor: | Herbers, Jim R., Serrouya, Robert, Maxcy, Katherine A. |
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| Zdroj: | Canadian Journal of Zoology; Nov2004, Vol. 82 Issue 11, p1720-1730, 11p |
| Databáze: | Complementary Index |
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