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Author : United States. Bureau of Sport Fisheries and Wildlife
Publisher : Unknown
Page : 92 pages
File Size : 51,5 Mb
Release : 1964
Category : Wildlife research
ISBN : UCSD:31822009763418
Author : Anonim
Publisher : Unknown
Page : 270 pages
File Size : 49,6 Mb
Release : 1962
Category : Animals
ISBN : OSU:32435051309466
Author : United States. Bureau of Sport Fisheries and Wildlife
Publisher : Unknown
Page : 96 pages
File Size : 55,6 Mb
Release : 1965
Category : Fisheries
ISBN : UCSD:31822009784414
"In the calendar year 1964, the main efforts of the Division of Wildlife Research were directed toward consolidation of recently expanded programs on pesticide-wildlife relations and nuisance-animal control. A modest increase in activities associated with the captive propagation of rare and endangered birds was accommodated, and a great deal of planning laid groundwork for future work with threatened species. There was no change in purpose and function of the Division"--Page 1
Author : Anonim
Publisher : Unknown
Page : 52 pages
File Size : 48,8 Mb
Release : 1972
Category : Fishery management
ISBN : MINN:30000010643918
Author : Ethel I. Todd,Karl W. Kenyon
Publisher : Unknown
Page : 52 pages
File Size : 49,7 Mb
Release : 1972
Category : Sea otter
ISBN : UOM:39015077581034
Bibliography stressing recent literature dealing with biology of the sea otter (Enhydra lutris).
Author : James L. Ruos
Publisher : Unknown
Page : 638 pages
File Size : 44,5 Mb
Release : 1971
Category : Bird populations
ISBN : UCSD:31822009785171
U.S. mourning dove population indexes increased by 4% from 1969 to 1970 in the Eastern Management Unit, but declined 2% in the Central Management Unit and 11% in the Western Management Unit. The changes were below the 10-year means, 1960-69, by 3% in the Eastern Unit, 15% in the Central, and 27% in the Western. Regression analyses of the call-count data for 1960-70 indicate a statistically significant downward trend in dove breeding populations in all management units; mean rates of decline were 1% a year in the Eastern Unit, 3% a year in the Central, and 4% in the Western
Author : Anonim
Publisher : Unknown
Page : 364 pages
File Size : 43,8 Mb
Release : 1966
Category : Fisheries
ISBN : OSU:32435024479362
Author : Anonim
Publisher : Unknown
Page : 260 pages
File Size : 44,9 Mb
Release : 1965
Category : Animals
ISBN : UCBK:C021144253
Author : Anonim
Publisher : Unknown
Page : 1730 pages
File Size : 47,5 Mb
Release : 1970
Category : Government publications
ISBN : UOM:39015022681913
Author : United States. Superintendent of Documents
Publisher : Unknown
Page : 1504 pages
File Size : 40,5 Mb
Release : 1979
Category : United States
ISBN : STANFORD:36105019598296
Author : Anonim
Publisher : Unknown
Page : 1188 pages
File Size : 42,6 Mb
Release : 1964
Category : Agriculture
ISBN : CUB:U183021554585
Author : Anonim
Publisher : Unknown
Page : 1284 pages
File Size : 40,8 Mb
Release : 2024-06-02
Category : Government publications
ISBN : IND:30000128341272
Author : Anonim
Publisher : Unknown
Page : 1744 pages
File Size : 42,6 Mb
Release : 1992
Category : Agriculture
ISBN : PSU:000057553887
Author : Arctic Institute of North America
Publisher : Unknown
Page : 1736 pages
File Size : 48,5 Mb
Release : 1969
Category : Arctic regions
ISBN : UOM:39015079909779
Author : Maire Tremaine
Publisher : McGill-Queen's Press - MQUP
Page : 1724 pages
File Size : 53,8 Mb
Release : 1969
Category : Reference
ISBN : 9780773593985