作者: Antoon de Vos
DOI: 10.2307/3797511
关键词:
摘要: Dakota. Trans. N. Amer. Wildl. Conf., 17: 396-414. DAUBENMIRE, R. F. 1942. An ecological study of the vegetation southeastern Washington and adjacent Idaho. Ecol. Monog., 12:53-79. GEHRMAN, K. H. 1951. lesser scaup duck (Aythya affinis Eyton) at West Medical Lake, Spokane County, Washington. Unpubl. master's thesis, Wash. State Univ., Pullman, 94pp. GOLLOP, J. B. AND W. MARSHALL. 1954. A guide for aging broods in field. Mississippi Flyway Council Tech. Comm. 14pp. (offset. ) HANSEN, A. C. YocoM. 1949. Waterfowl inventory eastern Washington, summer-1949. manuscript, Dept. Game, Seattle, Wash., 22pp. (typewritten.) -. 1950. survey summer-1950. HARRIS, S. waterfowl potholes area, Grant Midl. Nat., 52(2):403432.