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Articles 481 - 510 of 554
Full-Text Articles in Environmental Policy
Wpa News 38 (1992), World Pheasant Association
Wpa News 38 (1992), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (November 1992), number 38
Published by the World Pheasant Association
Wpa News 37 (1992), World Pheasant Association
Wpa News 37 (1992), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (August 1992), number 37
Published by the World Pheasant Association
Wpa News 36 (1992), World Pheasant Association
Wpa News 36 (1992), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (May 1992), number 36
Published by the World Pheasant Association
Wpa News 35 (1992), World Pheasant Association
Wpa News 35 (1992), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (February 1992), number 35
Published by the World Pheasant Association
Pqf News: Newsletter Of The Partridge, Quail And Francolin Specialist Group 1-3, 5-6 (1992-1995), Iucn Species Survival Commission, Birdlife International, World Pheasant Association
Pqf News: Newsletter Of The Partridge, Quail And Francolin Specialist Group 1-3, 5-6 (1992-1995), Iucn Species Survival Commission, Birdlife International, World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
The purpose of the newsletter is to receive details of new projects, re-assessments of the status of relevant species, interesting discoveries or observations, taxonomic changes, conservation successes or threats and anything else that members might find interesting. We would like in future issues to produce a list of relevant publications which appear during the year in order to keep members up-to-date with current information. We will publish requests for contacts or information, advertisements for conferences and workshops and news of projects and project proposals.
Issue 1 (February 1992)
Foreword by Simon D. Dowell
News from around the regions: Commonwealth of …
Wpa News 34 (1991), World Pheasant Association
Wpa News 34 (1991), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (November 1991), number 34
Published by the World Pheasant Association
Wpa News 33 (1991), World Pheasant Association
Wpa News 33 (1991), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (August 1991), number 33
Published by the World Pheasant Association
Wpa News 32 (1991), World Pheasant Association
Wpa News 32 (1991), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (May 1991), number 32
Published by the World Pheasant Association
Grouse News 1-10 (1991-1995), World Pheasant Association International, Diana Lovel
Grouse News 1-10 (1991-1995), World Pheasant Association International, Diana Lovel
Galliformes Specialist Group and Affiliated Societies: Newsletters
Issue 1 (March 1991)
Editorial, Diana Lovel
Tetraonid study register and abstracting function
Decline of black grouse, Egbert Strauss
Work at Grimso, Jon Swenson
Grouse: Captive breeding and reintroductions, Lain Valentine
How effective is the release of captive bred capercaillie? David Baines
Size of display grounds of capercaillie, E. Viht
New capercaillie research in Scotland, David Baines
Radiotracking of reintroduced black grouse abstract, Stefan Hövel, Sepp Bauer, and Egbert Strauss
Dogs can't find my ptarmigan, David Hancock
Red grouse: The north of England 1990, David Newborn
A second workshop on black grouse, David Baines
Obituary, in memory of Oleg Ismailovich …
The Cracid Newsletter 1(1)-5 (1991-1997), Iucn, Birdlife International, Wpa Cracid Specialist Group
The Cracid Newsletter 1(1)-5 (1991-1997), Iucn, Birdlife International, Wpa Cracid Specialist Group
Galliformes Specialist Group and Affiliated Societies: Newsletters
Volume1, Number 1 (Autumn 1991)
Editors: Angela Schmitz and Richard Buchholz
Status of the highly endangered white-winged guan Penelope albipennis, Victor Raul Diaz Montes
Formation of the WPA-ICBP-SSC-IUCN Cracidae Specialist Group
Cracidae Specialist Group Policy Statement
CSG Action Plan, 1990-1995
Cracid news from around the world: Central America, South America, Europe, and USA
Volumen 2, Numero 2 (Junio 1993)
Editores: Angela Schmitz and Richard Buchholz
Primer intento de introducción de un crácido en peligro, Geer Scheres
El pavon Oreoplasis derbianus protegido y desprotegido, Fernando González García
Técnicas demográficas de posible uso en crácidos, David B. McDonald
Noticias desde el …
Wpa News 31 (1991), World Pheasant Association
Wpa News 31 (1991), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (January 1991), number 31
Published by the World Pheasant Association
Introgression Of Coyote Mitochondrial Dna Into Sympatric North American Gray Wolf Populations, Niles Lehman, Andrew Eisenhawer, Kimberly Hansen, L. David Mech, Rolf O. Peterson, Peter J. P. Gogan, Robert K. Wayne
Introgression Of Coyote Mitochondrial Dna Into Sympatric North American Gray Wolf Populations, Niles Lehman, Andrew Eisenhawer, Kimberly Hansen, L. David Mech, Rolf O. Peterson, Peter J. P. Gogan, Robert K. Wayne
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Mitochondrial DNA (mtDNA) genotypes of gray wolves and coyotes from localities throughout North America were determined using restriction fragment length polymorphisms. Of the 13 genotypes found among the wolves, 7 are clearly of coyote origin, indicating that genetic transfer of coyote mtDNA into wolf populations has occurred through hybridization. The transfer of mtDNA appears unidirectional from coyotes into wolves because no coyotes sampled have a wolf-derived mtDNA genotype. Wolves possessing coyote-derived genotypes are confined to a contiguous geographic region in Minnesota, Ontario, and Quebec, and the frequency of coyote- type mtDNA in these wolf populations is high (> 500%). The …
Wpa News 30 (1990), World Pheasant Association
Wpa News 30 (1990), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (November 1990), number 30
Published by the World Pheasant Association
Pheasants In Asia 1989, David A. Hill, Peter J. Garson, David Jenkins
Pheasants In Asia 1989, David A. Hill, Peter J. Garson, David Jenkins
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Section 1: Studies of Pheasants in China
Distribution and Status
An overview of research on pheasants in China, 1978-88, Cheng Tso-Hsin
Pheasant conservation in Asia:Ssome introductory remarks, Keith Howman and Lew Young
The distribution of pheasants and partridges in China, Tang Chan-Zhu
The ecological and geographical distribution of pheasants in Wolong Nature Reserve, Deng Wei Jie
The gamebirds of Boaxing, Sichuan, China, He Fen-Qi and Cui Xie-Zhen
Galliformes of Yunnan Province in China, Yang Lan
Pheasant and partridge species of the Nu River Autonomous Region, Northwestern Yunnan, China, He Fen-Qi, Gao Ying-Xing and Zheng Yang-Zhi
Pheasants on the Qinghai-Xizang Plateau, …
Wpa News 29 (1990), World Pheasant Association
Wpa News 29 (1990), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (August 1990), number 29
Published by the World Pheasant Association
Wpa News 28 (1990), World Pheasant Association
Wpa News 28 (1990), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (May 1990), number 28
Published by the World Pheasant Association
Wpa News 27 (1990), World Pheasant Association
Wpa News 27 (1990), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (February 1990), number 27
Published by the World Pheasant Association
Proceedings Of The Perdix V Symposium: Gray Partridge And Ring-Necked Pheasant Workshop, Kevin E. Church, Richard E. Warner, Stephen J. Brady
Proceedings Of The Perdix V Symposium: Gray Partridge And Ring-Necked Pheasant Workshop, Kevin E. Church, Richard E. Warner, Stephen J. Brady
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
Distribution and Abundance
Northern bobwhite, gray partridge, and ringed- neck pheasant population trends (1966-1988) from the North American Breeding Bird Survey, S. Droege and J. R. Sauer
Recent status of gray partridge in North America, W. J. Vander Zouwen
Historical review and status of gray partridge in Italy, C. Matteucci and S. Toso
Gamebird introductions in New Zealand: Successes and failures, K. Westerskov
Habitat Management Programs State and provincial programs for habitat enhancement on private agricultural lands, W. J. Vander Zouwen
Indirect impacts of pesticides on the production of wild gamebirds in Britain, N. W. Sotherton and P. A. Robertson …
Wpa News 26 (1989), World Pheasant Association
Wpa News 26 (1989), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (November 1989), number 26
Published by the World Pheasant Association
Wpa News 25 (1989), World Pheasant Association
Wpa News 25 (1989), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (August 1989), number 25
Published by the World Pheasant Association
Wpa News 24 (1989), World Pheasant Association
Wpa News 24 (1989), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (May 1989), number 24
Published by the World Pheasant Association
Wolf Population Survival In An Area Of High Road Density, L. David Mech
Wolf Population Survival In An Area Of High Road Density, L. David Mech
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Wolf mortality in a high-road-density area of Minnesota exceeds that in an adjacent wilderness, and is primarily human-caused. The wolf population there is maintained primarily by ingress from the adjacent wilderness areas. A road density of 0.58 km/km2 can be exceeded and the area still support wolves if it is adjacent to extensive roadless areas.
Wpa News 23 (1989), World Pheasant Association
Wpa News 23 (1989), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (February 1989), number 23
Published by the World Pheasant Association
Loss Of Biological Diversity: A Global Crisis Requiring International Solutions: A Report To The National Science Board, Craig Call Black, Perry L. Adkisson, Gardner Mallard Brown, Rita Rossi Colwell, Charles E. Hess, James B. Holderman, K. June Lindstedt-Siva, William A. Nierenberg, Peter Hamilton Raven, Theodore M. Smith, Edward O. Wilson, W. Franklin Harris
Loss Of Biological Diversity: A Global Crisis Requiring International Solutions: A Report To The National Science Board, Craig Call Black, Perry L. Adkisson, Gardner Mallard Brown, Rita Rossi Colwell, Charles E. Hess, James B. Holderman, K. June Lindstedt-Siva, William A. Nierenberg, Peter Hamilton Raven, Theodore M. Smith, Edward O. Wilson, W. Franklin Harris
Harold W. Manter Laboratory of Parasitology: Library Materials
Executive Summary
Biological diversity refers to the variety and variability among living organisms and the ecological complexes in which they occur. Diversity can be defined as the number of different items and their relative frequency. For biological diversity, these items are organized at many levels, ranging from complete ecosystems to the chemical structures that are the molecular basis of heredity. Thus, the term encompasses different ecosystems, species, genes, and their relative abundance (OTA, 1987).
There is an ongoing, unprecedented loss of the variety as well as absolute numbers of organisms-from the smallest microorganism to the largest and most spectacular of …
Wpa News 22 (1988), World Pheasant Association
Wpa News 22 (1988), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (November 1988), number 22
Published by the World Pheasant Association
Wpa News 21 (1988), World Pheasant Association
Wpa News 21 (1988), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (August 1988), number 21
Published by the World Pheasant Association
Wpa News 20 (1988), World Pheasant Association
Wpa News 20 (1988), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (May 1988), number 20
Published by the World Pheasant Association
Wpa News 19 (1988), World Pheasant Association
Wpa News 19 (1988), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (February 1988), number 19
Published by the World Pheasant Association
Pheasants: Symptoms Of Wildlife Problems On Agricultural Lands: Proceedings Of A Symposium Held At The 49th Midwest Fish And Wildlife Conference (Milwaukee, Wisconsin: December 8, 1987), Diana L. Hallett, William R. Edwards, George V. Burger
Pheasants: Symptoms Of Wildlife Problems On Agricultural Lands: Proceedings Of A Symposium Held At The 49th Midwest Fish And Wildlife Conference (Milwaukee, Wisconsin: December 8, 1987), Diana L. Hallett, William R. Edwards, George V. Burger
Galliformes Specialist Group and Affiliated Societies: Conference Proceedings
100 years of ringnecks: An historical perspective on pheasants in North America, George V. Burger
Distribution and abundance of the ring-necked pheasant in North America, Robert B. Dahlgren
Federal pheasants-Impact of federal agricultural programs on pheasant habitat, 1934-1985, Alfred H. Berner
Wildlife ppportunities within federal agricultural programs, Stephen J. Brady and Rex Hamilton
The dynamics of pheasant Abundance During the transition of intensive row-cropping in Illinois, Stanley L. Etter, Richard E. Warner, G. Blair Joselyn, and John E. Warnock
Habitat management: How well do we recognize the pheasant facts of life? Richard E. Warner
A population model as an aid …
Wolf Distribution And Road Density In Minnesota, L. David Mech, Steven H. Fritts, Glenn L. Radde, William J. Paul
Wolf Distribution And Road Density In Minnesota, L. David Mech, Steven H. Fritts, Glenn L. Radde, William J. Paul
United States Geological Survey, Northern Prairie Wildlife Research Center: Publications
Distribution of the wolf (Canis lupus) in parts of Wisconsin (Thiel 1985) and Michigan and Ontario (Jensen et al. 1986) has been related to the density of roads passable by 2-wheel-drive vehicles. Wolves in those regions generally do not occur where road densities exceed 0.58 km/km2, whereas similar areas nearby with fewer roads do contain wolves.
In a small segment of the wolf range in Minnesota, wolves did not have territories where roads exceeded a density of 0.73 km/km2 (T. K. Fuller, Minnesota Department of Natural Resources, unpublished data). In another small area of Minnesota …