Maintaining Bird Diversity in Western Larch/Douglas-fir Forests

作者: Richard L. Hutto , Raymond C. Shearer , Bret W. Tobalske

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参考文章(3)
Bret W. Tobalske, Raymond C. Shearer, Richard L. Hutto, Bird populations in logged and unlogged western larch/douglas-fir forest in northwestern Montana Res. Pap. INT-GTR-442. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 12 p.. ,vol. 442, pp. 1- ,(1991) , 10.2737/INT-RP-442
B. Riley McClelland, Sidney S. Frissell, Identifying Forest Snags Useful for Hole-Nesting Birds Journal of Forestry. ,vol. 73, pp. 414- 417 ,(1975) , 10.1093/JOF/73.7.414