Download or read book Snow and Blue Goose Distribution in the Mississippi and Central Flyways written by Alexander Dzubin and published by . This book was released on 1974 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The primary purpose of this compendium is to give detailed results of a Snow-Blue Goose (Chen caerulescens) band recovery analysis and provide supporting data to conclusions presented in a previous report, (Dzubin, Boyd and Stephen, 1973). Secondarily, it attempts to draw together population data which will aid managers, administrators and researchers to plan future programs or management strategies. The recovery data themselves are presented in a standardized format and are referenced in nine appendices, to aid resource managers in assessing the available distribution evidence"--Introduction, page 1.
Download or read book Birds of Mississippi written by William H. Turcotte and published by Univ. Press of Mississippi. This book was released on 1999 with total page 486 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first book on the diversity, distribution, conservation, and history of birds in the Magnolia State
Download or read book New Models for Ecosystem Dynamics and Restoration written by Richard J. Hobbs and published by Island Press. This book was released on 2013-03-19 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: As scientific understanding about ecological processes has grown, the idea that ecosystem dynamics are complex, nonlinear, and often unpredictable has gained prominence. Of particular importance is the idea that rather than following an inevitable progression toward an ultimate endpoint, some ecosystems may occur in a number of states depending on past and present ecological conditions. The emerging idea of “restoration thresholds” also enables scientists to recognize when ecological systems are likely to recover on their own and when active restoration efforts are needed. Conceptual models based on alternative stable states and restoration thresholds can help inform restoration efforts. New Models for Ecosystem Dynamics and Restoration brings together leading experts from around the world to explore how conceptual models of ecosystem dynamics can be applied to the recovery of degraded systems and how recent advances in our understanding of ecosystem and landscape dynamics can be translated into conceptual and practical frameworks for restoration. In the first part of the book, background chapters present and discuss the basic concepts and models and explore the implications of new scientific research on restoration practice. The second part considers the dynamics and restoration of different ecosystems, ranging from arid lands to grasslands, woodlands, and savannahs, to forests and wetlands, to production landscapes. A summary chapter by the editors discusses the implications of theory and practice of the ideas described in preceding chapters. New Models for Ecosystem Dynamics and Restoration aims to widen the scope and increase the application of threshold models by critiquing their application in a wide range of ecosystem types. It will also help scientists and restorationists correctly diagnose ecosystem damage, identify restoration thresholds, and develop corrective methodologies that can overcome such thresholds.
Download or read book Distribution Survival and Numbers of Lesser Snow Geese of the Western Canadian Arctic and Wrangel Island Russia written by R. H. Kerbes and published by . This book was released on 1999 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Razorbill Alca torda is one of the rarest breeding auks in North America. A number of surveys have been conducted at breeding colonies in recent years to estimate population size and trends. Summarizing the available data, we estimate that approximately 38 000 pairs of Razorbills currently breed in eastern North America. The largest concentrations of Razorbills breed on the Quebec North Shore and in coastal southern Labrador; smaller numbers breed in the Quebec portion of the gulf and estuary of the St. Lawrence River, Maine, New Brunswick, Nova Scotia, Newfoundland, and St. Pierre and Miquelon. "--Abstract.
Download or read book An Ecological Characterization of the Pacific Northwest Coastal Region written by and published by . This book was released on 1980 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Wild Geese written by M. A. Ogilvie and published by A&C Black. This book was released on 2010-11-30 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: In range, Wild Geese covers the geese of North America, Europe and Asia, and thus the world species except for the Hawaiian Goose or Ne-Ne. The plan of the book is similar to the author's Ducks of Britain and Europe but distribution, status and migration rightly assume a more extensive role in Wild Geese and the detailed text on those subjects is fully complemented by migration and distribution maps. Comprehensive chapters are also devoted to classification, ecology, breeding, identification, and to exploitation and conservation. The identification chapter is especially helpful with sections on adult and first winter birds, downy young, plumage variants and voice, for each species and sub-species, as well as guidance on ageing and sexing geese in the field. The text is effectively supported by 16 identification plates in colour by Carol Ogilvie, showing details of heads and bills as well as all species in flight and on the ground, and downy young. The author is an established authority on ducks and geese and has been a research scientist at the Wildfowl Trust, Slimbridge, England, since 1960.
Download or read book Arctic Ecosystems in Peril written by Bruce D. J. Batt and published by . This book was released on 1997 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book An Ecological Characterization of the Pacific Northwest Coastal Region Data source appendix written by and published by . This book was released on 1980 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Occasional Paper written by and published by . This book was released on 1982 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mate Choice written by Paul Patrick Gordon Bateson and published by Cambridge University Press. This book was released on 1983-04-28 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Twenty-one specially-commissioned articles provide a clear picture of the current state of thinking about mate choice. Brings together modern thinking on the various functions of mate choice and its role in evolution.
Download or read book Human Impacts on Salt Marshes written by Brian R. Silliman and published by Univ of California Press. This book was released on 2009-06-03 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Human Impacts on Salt Marshes provides an excellent global synthesis of an important, underappreciated environmental problem and suggests solutions to the diverse threats affecting salt marshes."—Peter B. Moyle, University of California, Davis
Download or read book Progress Notes written by Canadian Wildlife Service and published by . This book was released on 1975 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Federal Register written by and published by . This book was released on 2013-08 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Agriculture Handbook written by and published by . This book was released on 1949 with total page 518 pages. Available in PDF, EPUB and Kindle. Book excerpt: Set includes revised editions of some issues.
Download or read book Management and Biology of Pacific Flyway Geese written by Robert L. Jarvis and published by . This book was released on 1979 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Proceedings of the Annual William T Pecora Memorial Symposium written by and published by . This book was released on 1978 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
