Survival of Hatching-Year Female Canvasbacks Wintering on Chesapeake Bay

Low annual survival of hatching-year (HY) females is a critical management concern for canvasbacks (Aythya valisineria), and may contribute substantially to reduced reproductive potential and the male-biased sex ratio of the species. To evaluate the contribution of mortality on a traditional winteri...

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Veröffentlicht in:	The Journal of wildlife management 1993-10, Vol.57 (4), p.763-771
Hauptverfasser:	Haramis, G. Michael, Jorde, Dennis G., Bunck, Christine M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and plant ecology Animal reproduction Animal, plant and microbial ecology Animals Aves Biological and medical sciences Birds Censorship Demecology Ducks Female animals Females Fowling Fundamental and applied biological sciences. Psychology Hatching Hunting seasons Mortality Ornithology Overwintering Predation Radio transmitters Sex ratio Survival Vertebrata Wildlife management
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