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Author : D. G. Busby,Partners in Flight--Canada. Maritime Canada Landbird Conservation Working Group,Canadian Wildlife Service. Atlantic Region
Publisher : Unknown
Page : 43 pages
File Size : 51,8 Mb
Release : 2006
Category : Birds
ISBN : 0662426592
Author : Erica H. Dunn,Canadian Wildlife Service
Publisher : Canadian Wildlife Service
Page : 8 pages
File Size : 54,8 Mb
Release : 1999
Category : Birds
ISBN : 0662282469
Author : Anonim
Publisher : Unknown
Page : 472 pages
File Size : 48,6 Mb
Release : 1993
Category : Forests and forestry
ISBN : UOM:39015027109795
Author : Deborah M. Finch
Publisher : Unknown
Page : 432 pages
File Size : 49,5 Mb
Release : 1993
Category : Bird populations
ISBN : MINN:31951D030011078
Author : John Terborgh
Publisher : Princeton University Press
Page : 224 pages
File Size : 44,5 Mb
Release : 2020-10-06
Category : Nature
ISBN : 9780691219493
"Things are going wrong with our environment," writes John Terborgh, "even the parts of it that are nominally protected. If we wait until all the answers are in, we may find ourselves in a much worse predicament than if we had taken notice of the problem earlier. By waiting, one risks being too late; on the other hand, there can be no such thing as being too early." Terborgh's warnings are essential reading for all who care about migratory birds and our natural environment. Why are tropical migrant species disappearing from our forests? Can we save the birds that are left? Terborgh takes a more comprehensive view of migratory birds than is usual--by asking how they spend their lives during the half-year they reside in the tropics. By scrutinizing ill-planned urban and suburban development in the United States and the tropical deforestation of Central and South America, he summarizes our knowledge of the subtle combination of circumstances that is devastating our bird populations. This work is pervaded by Terborgh's love for the thrushes, warblers, vireos, cuckoos, flycatchers, and tanagers that inhabited his family's woodland acreage while he was growing upbirds that no longer live there, in spite of the preservation of those same woods as part of a county park. The book is a tour of topics as varied as ecological monitoring, the plight of the Chesapeake wetlands, the survival struggle of Central American subsistence farmers, and the management of commercial forests.
Author : Anonim
Publisher : Unknown
Page : 176 pages
File Size : 47,6 Mb
Release : 1998
Category : Ecosystem management
ISBN : IND:30000047129774
Author : Anonim
Publisher : Unknown
Page : 48 pages
File Size : 50,5 Mb
Release : 1998
Category : Endangered species
ISBN : MINN:30000010625899
Author : David N. Pashley,Partners in Flight
Publisher : Unknown
Page : 100 pages
File Size : 52,7 Mb
Release : 2000
Category : Birds
ISBN : CORNELL:31924089449403
Author : Anonim
Publisher : Unknown
Page : 672 pages
File Size : 43,8 Mb
Release : 2005
Category : Birds
ISBN : MINN:31951D02977114S
Author : Anonim
Publisher : Unknown
Page : 32 pages
File Size : 40,7 Mb
Release : 1995
Category : Bird populations
ISBN : UCR:31210023599150
Author : Partners in Flight
Publisher : Unknown
Page : 42 pages
File Size : 55,6 Mb
Release : 1996
Category : Electronic
ISBN : CORNELL:31924090307913
Author : Anonim
Publisher : Unknown
Page : 666 pages
File Size : 42,8 Mb
Release : 2005
Category : Forests and forestry
ISBN : MINN:31951P00848287L
Author : Henry M. Streby,David E. Andersen,David Buehler
Publisher : CRC Press
Page : 253 pages
File Size : 46,6 Mb
Release : 2016-10-26
Category : Nature
ISBN : 9781482240696
Golden-winged Warblers (Vermivora chrysoptera) are migratory songbirds that breed in temperate North America, primarily in the Great Lakes region with remnant populations throughout the Appalachian Mountains, and winter in Central and northern South America. Their breeding range has contracted dramatically in the Appalachian Mountains and many populations have dramatically declined, likely due to habitat loss, competition and interbreeding with Blue-winged Warblers (Vermivora pinus), andglobal climate change.. As a result of population declines in much of the eastern portion of their breeding range, Golden-winged Warblers are listed as endangered or threatened in 10 U.S. states and in Canada and have been petitioned for protection under the U.S. Endangered Species Act. Published in collaboration with and on behalf of The American Ornithological Society, this volume in the highly-regarded Studies in Avian Biology series compiles extensive, current research on Golden-winged Warblers and summarizes what is known and identifies many remaining unknowns, providing a wealth of peer-reviewed science on which future research and listing decisions can be based.
Author : Stephen C. Trombulak,Robert Baldwin
Publisher : Springer Science & Business Media
Page : 433 pages
File Size : 46,8 Mb
Release : 2010-09-21
Category : Science
ISBN : 9789048195756
Hugh P. Possingham Landscape-scale conservation planning is coming of age. In the last couple of decades, conservation practitioners, working at all levels of governance and all spatial scales, have embraced the CARE principles of conservation planning – Comprehensiveness, Adequacy, Representativeness, and Efficiency. Hundreds of papers have been written on this theme, and several different kinds of software program have been developed and used around the world, making conservation planning based on these principles global in its reach and influence. Does this mean that all the science of conservation planning is over – that the discovery phase has been replaced by an engineering phase as we move from defining the rules to implementing them in the landscape? This book and the continuing growth in the literature suggest that the answer to this question is most definitely ‘no. ’ All of applied conservation can be wrapped up into a single sentence: what should be done (the action), in what place, at what time, using what mechanism, and for what outcome (the objective). It all seems pretty simple – what, where, when, how and why. However stating a problem does not mean it is easy to solve.
Author : United States. Congress. Senate. Committee on Appropriations. Subcommittee on the Department of the Interior and Related Agencies
Publisher : Unknown
Page : 430 pages
File Size : 48,5 Mb
Release : 1993
Category : Government publications
ISBN : UCAL:B5104467