Zobrazeno 1 - 9
of 9
pro vyhledávání: '"J. Barry Grand"'
Publikováno v:
Wildlife Monographs. 182:1-28
Les populations d'Eiders a duvet du Pacifique (Somateria mollissima v-nigrum) ont decline de 50-90% sur le delta du Yukon-Kuskokwim (DYK) dans l'ouest de l'Alaska entre 1975 et 1992 puis se sont stabilisees avec des faibles effectifs depuis le debut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7fc81384c5ca74b52dc928fe2e6343ca
https://doi.org/10.1002/wmon.8
https://doi.org/10.1002/wmon.8
Publikováno v:
The Condor. 108:901-911
AbstractWe studied the growth andsurvival of Spectacled Eider (Somateriafischeri) ducklings to30 days of age along the lower KashunukRiver on the Yukon-Kuskokwim Delta from 1995 to2000. We replicated this study at a second site,Kigigak Island, in 199
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4ad9425895ed0eed17b9c0041de431e3
https://doi.org/10.1093/condor/108.4.901
https://doi.org/10.1093/condor/108.4.901
Publikováno v:
Wildlife Monographs. 162:1-22
ABSTRACT Populations of greater scaup (Aythya marila) remained relatively stable during a period when populations of lesser scaup (A. affinis) have declined from historic levels. To assist in describing these differences in population trends, from 19
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a1bdb8de24abc6e502c1b2731b140ff2
https://doi.org/10.2193/0084-0173(2006)162[1:pdogsb]2.0.co
https://doi.org/10.2193/0084-0173(2006)162[1:pdogsb]2.0.co
Autor:
Paul L. Flint, J. Barry Grand
Publikováno v:
The Condor. 98:54-60
We studied nesting chronology and success of Northern Pintails (Anas acuta) on the coastal Yukon-Kuskokwim Delta, Alaska during the summers of 1991-1993. We found a total of 795 nests during three annual searches of a 27.4 km 2 area. Minimum nest den
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f08c6652d5be6b6261a3357e67bd1b1e
https://doi.org/10.2307/1369508
https://doi.org/10.2307/1369508
Publikováno v:
ARCTIC. 62
Population estimates for long-tailed ducks in North America have declined by nearly 50% over the past 30 years. Life history and population dynamics of this species are difficult to ascertain, because the birds nest at low densities across a broad ra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3188ddaf59299228be6634749c1901e7
https://doi.org/10.14430/arctic131
https://doi.org/10.14430/arctic131
Publikováno v:
The Birds of North America Online.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35ecb39d55597670cb2590b48872afb3
https://doi.org/10.2173/bna.547
https://doi.org/10.2173/bna.547
Publikováno v:
Journal of Wildlife Management. Nov2012 Supplement Wildelife Monographs, p1-28. 28p. 2 Diagrams, 8 Charts, 6 Graphs, 1 Map.
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