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Author : Anonim
Publisher : Unknown
Page : 24 pages
File Size : 41,8 Mb
Release : 2001
Category : Bird populations
ISBN : UOM:39015056648242
Author : U.S. Fish and Wildlife Service
Publisher : Unknown
Page : 24 pages
File Size : 45,5 Mb
Release : 2003
Category : Electronic
ISBN : MINN:31951D01948723O
Author : Anonim
Publisher : Unknown
Page : 48 pages
File Size : 40,8 Mb
Release : 1967
Category : Bird banding
ISBN : UOM:39015077574419
Surveys designed to determine the population status of American woodcock indicate little change in recent continental breeding populations, but a continuing decline in production. The annual harvest of this species, meanwhile, continues to soar with an apparent upsurge in hunter's awareness of the woodcock's sporting qualities. Research activities continue to uncover information related to the reliability of singing-ground surveys while banding operations in Louisiana, Maine, Michigan, and West Virginia testify to the feasibility of expanding this very important program throughout North America. West Virginia has contributed significantly to this program through its improvement of the night-lighting technique which was developed in association with their primary objective of evaluating the importance of hunting as a mortality factor. Woodcock bandings and recoveries from the Moosehorn National Wildlife Refuge are being examined to determine more about the characteristics of this lightly harvested population and to better understand their use of various habitat types.
Author : Anonim
Publisher : Unknown
Page : 34 pages
File Size : 48,6 Mb
Release : 1970
Category : Woodcock shooting
ISBN : MINN:31951D01229477X
Author : Joseph W. Artmann
Publisher : Unknown
Page : 48 pages
File Size : 41,5 Mb
Release : 1975
Category : Bird populations
ISBN : CORNELL:31924108201181
The estimated continental woodcock harvest exceeded 1.5 million birds during the 1973-1974 hunting season. Wing-collection data for 1973-74 indicated that productivity increased during the previous spring by 15% rangewide, % in the Atlantic Region, and 21% in the Central Region. Daily and seasonal hunting success was also greater by 8.6% and 10.0% respectively. The 1974 breeding population index increased increased 6.5% rangewide, 2.4% in the Atlantic Region, and 10.0% in the Central Region. Indices from 1964-74 suggested a declining breeding population in the Central Region. Recoveries of 2,950 banded woodcock indicate the existence of two relatively distinct populations. More than 94% of the recoveries were made in the Region of banding.
Author : William H. Goudy,Fant W. Martin
Publisher : Unknown
Page : 1194 pages
File Size : 42,6 Mb
Release : 1966
Category : Bird banding
ISBN : IND:30000121319812
Singing-ground surveys of the American woodcock indicate that breeding populations have increased gradually over the past 7 years while production, as indicated by wing-collection surveys, has remained relatively stable. The woodcock harvest, meanwhile, has probably more than doubled during the past decade. This suggests that while woodcock are probably becoming more important to North American sportsmen, hunting mortality is still relatively unimportant.
Author : Anonim
Publisher : Unknown
Page : 52 pages
File Size : 43,9 Mb
Release : 1963
Category : Bird populations
ISBN : UCSD:31822039203005
An index of woodcock reproductive success in 1960 and 1961 was obtained from age ratios in the hunting kill as determined from wings. For both seasons combined, hunters contributed 21,343 woodcock wings.
Author : Anonim
Publisher : Unknown
Page : 98 pages
File Size : 50,9 Mb
Release : 1966
Category : Electronic
ISBN : MINN:31951P011238849
Author : Anonim
Publisher : Unknown
Page : 1184 pages
File Size : 50,9 Mb
Release : 1963
Category : Bird populations
ISBN : IND:30000113358695
An index of woodcock reproductive success in 1961 and 1962 was obtained from age ratios in the hunting kill as determined from wings. For both seasons combined, hunters contributed 25,426 woodcock wings.
Author : David G. Krementz,David E. Andersen,Thomas R. Cooper
Publisher : University of Minnesota Libraries Publishing
Page : 288 pages
File Size : 53,9 Mb
Release : 2019-12-03
Category : Nature
ISBN : 9781946135599
The Proceedings of the Eleventh American Woodcock Symposium held at the Ralph A. McMullan Center in Roscommon, Michigan on 24–27 October 2017
Author : Jerry R. Longcore,Greg F. Sepik
Publisher : Unknown
Page : 152 pages
File Size : 43,8 Mb
Release : 1993
Category : Birds
ISBN : IND:30000044514739
Author : Anonim
Publisher : Unknown
Page : 1276 pages
File Size : 41,6 Mb
Release : 2001
Category : Government publications
ISBN : OSU:32435069461192
Author : Brenda McComb,Benjamin Zuckerberg,David Vesely,Christopher Jordan
Publisher : CRC Press
Page : 300 pages
File Size : 53,9 Mb
Release : 2010-03-11
Category : Science
ISBN : 9781420070583
In the face of so many unprecedented changes in our environment, the pressure is on scientists to lead the way toward a more sustainable future. Written by a team of ecologists, Monitoring Animal Populations and Their Habitats: A Practitioner’s Guide provides a framework that natural resource managers and researchers can use to design monitoring programs that will benefit future generations by distilling the information needed to make informed decisions. In addition, this text is valuable for undergraduate- and graduate-level courses that are focused on monitoring animal populations. With the aid of more than 90 illustrations and a four-page color insert, this book offers practical guidance for the entire monitoring process, from incorporating stakeholder input and data collection, to data management, analysis, and reporting. It establishes the basis for why, what, how, where, and when monitoring should be conducted; describes how to analyze and interpret the data; explains how to budget for monitoring efforts; and discusses how to assemble reports of use in decision-making. The book takes a multi-scaled and multi-taxa approach, focusing on monitoring vertebrate populations and upland habitats, but the recommendations and suggestions presented are applicable to a variety of monitoring programs. Lastly, the book explores the future of monitoring techniques, enabling researchers to better plan for the future of wildlife populations and their habitats. Monitoring Animal Populations and Their Habitats: A Practitioner’s Guide furthers the goal of achieving a world in which biodiversity is allowed to evolve and flourish in the face of such uncertainties as climate change, invasive species proliferation, land use expansion, and population growth.
Author : Anonim
Publisher : Unknown
Page : 52 pages
File Size : 45,7 Mb
Release : 1963
Category : Bird populations
ISBN : UOM:39015077582677
Author : Greg Hoch
Publisher : Bureau Oak Book
Page : 193 pages
File Size : 44,7 Mb
Release : 2019-03
Category : Nature
ISBN : 9781609386276
Woodcock are one of the oddest birds in North America. They are a shorebird that got lost and ended up in the scrubby parts of the forest, and look like they were put together with the leftover parts of other birds. Oddities aside, each spring they rise to great beauty with their sky dance at dusk. Greg Hoch combines natural history, land management, scientific knowledge, and personal observation to examine this little game bird. Woodcock have a complex life history and the management of their habitat is also complex. The health of this bird can be considered a key indicator of what good forests look like.