Wildlife Research Problems Programs Progress

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Special Scientific Report Wildlife

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Author :
language : en
Publisher:
Release Date : 1972

Special Scientific Report Wildlife written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Wildlife conservation categories.

Selected Research Publication Series Of The U S Fish And Wildlife Service 1889 1985

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Author :
language : en
Publisher:
Release Date : 1987

Selected Research Publication Series Of The U S Fish And Wildlife Service 1889 1985 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Wildlife conservation categories.

A bibliography comprising annotated citations of 2037 scientific and technical publications from ten series issued by the U.S. Fish and Wildlife Service. Includes a six-page introduction containing a history of the Service and a description of the research and development series.

Research And Development Series

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Author :
language : en
Publisher:
Release Date : 1987

Research And Development Series written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Wildlife conservation categories.

Resource Publication

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Author :
language : en
Publisher:
Release Date : 1987

Resource Publication written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Fisheries categories.

Woodcock Status Report 1970

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Author : Eldon Ralph Clark
language : en
Publisher:
Release Date : 1971

Woodcock Status Report 1970 written by Eldon Ralph Clark and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Bird populations categories.

Information on the current status and population trends of the American woodcock is provided by annual singing-ground surveys over much of the species' breeding range and a wing-collection survey in the eastern United States. the 1970 singing-ground survey showed no change in the breeding population index for the Eastern region, a 3.12% increase for the Western region, and a 2.11% increase rangewide. This index is based on 752 comparable survey routes, all randomly selected, 35% more than the 568 routes used in 1969. The wing-collection survey for the 1969-70 season suggested a decline of 7.03% in productivity the previous summer, a slight decline in the average daily bag per hunter, and a sharper drop of 11.1% in the average seasonal bag. There is evidence that the woodcock harvest and the number of hunters participating increased over previous years, with the 1969-70 harvest exceeding 1.1 million birds. Woodcock research is increasing, with the present emphasis directed to banding on breeding grounds.

Mourning Dove Status Report 1970

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Author : James L. Ruos
language : en
Publisher:
Release Date : 1971

Mourning Dove Status Report 1970 written by James L. Ruos and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Bird populations categories.

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

Resource Publication United States Fish And Wildlife Service

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Author :
language : en
Publisher:
Release Date : 1975

Resource Publication United States Fish And Wildlife Service written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1975 with Wildlife conservation categories.

World List Of Aquatic Sciences And Fisheries Serial Titles

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Author : Food and Agriculture Organization of the United Nations. Fishery Information, Data, and Statistics Service
language : en
Publisher: Food & Agriculture Org.
Release Date : 1981-01-01

World List Of Aquatic Sciences And Fisheries Serial Titles written by Food and Agriculture Organization of the United Nations. Fishery Information, Data, and Statistics Service and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981-01-01 with Science categories.

Selected Bibliography On The Sea Otter

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Author : Ethel I. Todd
language : en
Publisher:
Release Date : 1972

Selected Bibliography On The Sea Otter written by Ethel I. Todd and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Sea otter categories.

Bibliography stressing recent literature dealing with biology of the sea otter (Enhydra lutris).

Monthly Catalog Of United States Government Publications

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language : en
Publisher:
Release Date :

Monthly Catalog Of United States Government Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Government publications categories.