Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Robert B. Weeden"'
Autor:
Robert B. Weeden
Publikováno v:
The Auk. 96:306-318
Heart:body size ratios were measured in over 1,900 specimens of seven species of Alaskan Tetraonidae. Blue Grouse (Dendragapus obscurus) and Ruffed Grouse (Bonasa umbellus) have hearts averaging only 0.4 to 0.5% of body weight. At the other extreme,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::caab7b6027bde918e2a40ac539d4fb2e
https://doi.org/10.1093/auk/96.2.306
https://doi.org/10.1093/auk/96.2.306
Autor:
Richard Le Heron, Glen W. Atkinson, Henry Teune, Greg Mason, Henk Voogd, Brenda J. Moscove, Patricia Gober, Thomas A. Reiner, Richard F. Curtis, Stephen F. Seninger, W. W. Hall, John E. Keith, M. Van Naelten, R. W. Keyes, John Huttman, Robert B. Weeden, Clarence G. Ray, Steven E. Daniels, F. Larry Leistritz, Patrizia Spinetti, Peter D. Beaulieu, F. J. Potgieter, David L. Barkley, Charles A. Berry, Jean E. Weber, Wieslaw Rozlucki, Jesse Burkhead, John R. Ottensmann, Noel D. Uri, Erlet Cater, J. Barry Riddell, Ernesto Quintanilla, John F. McDonald, Jon R. Miller, Stan Czamanski
Publikováno v:
The Annals of Regional Science. 20:87-144
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53ca0c26a5cbb2ffefa15a2c594d802b
https://doi.org/10.1007/bf01283626
https://doi.org/10.1007/bf01283626
Autor:
Robert B. Weeden
Publikováno v:
The Auk. 86:271-281
THE value of much of the past work on foods of Alaskan ptarmigan (Lagopus spp.) has been severely limited by sporadic collecting and small samples. The work of West and Meng (1966) on Willow Ptarmigan (L. lagopus) in arctic Alaska, and of Roberts (19
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2e07fa22f0946230638ff90fb5ee395
https://doi.org/10.2307/4083500
https://doi.org/10.2307/4083500
Autor:
Robert B. Weeden
Publikováno v:
The Auk. 83:587-596
THE complex annual plumage changes of Rock Ptarmigan (Lagopus mutus) have attracted frequent study. Two investigations are outstanding in scope and thoroughness: Salomonsen's (1939) monumental work on descriptive aspects of plumages and feather repla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e21bcc7e2678c370170e69dd918f57a8
https://doi.org/10.2307/4083150
https://doi.org/10.2307/4083150
Autor:
David R. Klein, Robert B. Weeden
Publikováno v:
Polar Record. 15:479-494
The world's oil magnates have recently turned their eyes to Siberia, Alaska, Arctic Canada, and the Chukchi and North seas and have invested huge sums in exploration for petroleum in lands scarcely touched by modern technology a decade ago.Throughout
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8882f1cb77dc3818443248e548eda05b
https://doi.org/10.1017/s0032247400061453
https://doi.org/10.1017/s0032247400061453
Autor:
Robert B. Weeden
Publikováno v:
The Auk. 81:534-541
THIS paper reports information on spatial separation of the sexes in both Rock Ptarmigan (Lagopus mutus) and Willow Ptarmigan (L. lagopus) in winter in Alaska. The data include observations of the autumnal movement of female Rock Ptarmigan from alpin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2c4b5ab3039ab9e9ed27e30d92e14c4
https://doi.org/10.2307/4082737
https://doi.org/10.2307/4082737
Autor:
Robert B. Weeden
Publikováno v:
The Auk. 76:230-232
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff98297048c70500e02f047fa6c219ce
https://doi.org/10.2307/4081781
https://doi.org/10.2307/4081781
Autor:
Robert B. Weeden, Clayton M. White
Publikováno v:
The Condor. 68:517-519
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c83d559f5a5d06be721ba6f2d08fb783
https://doi.org/10.2307/1365332
https://doi.org/10.2307/1365332
Autor:
Robert B. Weeden
Publikováno v:
ARCTIC. 38
In contrast to other organisms, people relate to environments through a changeable technology, have highly variable resource demands, and can conduct long-distance trade to supplement local resources. Nevertheless, total human demand may exceed, equa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d74fb5d3b990e7d42d337e43d09d400
https://doi.org/10.14430/arctic2120
https://doi.org/10.14430/arctic2120
Publikováno v:
ARCTIC. 23
Reports results of multiple range test comparisons of wing, tail and net body weight measurements of 2600 specimens collected in Alaska and adjacent Yukon Territory. Populations from different geographic areas showed statistically significant differe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc2d6f1d5f4dbadc952c3ca4af0eb0a2
https://doi.org/10.14430/arctic3180
https://doi.org/10.14430/arctic3180