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Author: S. G. Curtis
Publisher:
ISBN: 9780662134619
Category : Birds
Languages : en
Pages : 71
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Book Description
Presents reports on results of various waterfowl studies and surveys conducted by Canadian Wildlife Service in Ontario. Three sections: waterfowl breeding populations, waterfowl population trends, and waterfowl use of moulting, staging and wintering areas.
Author: S. G. Curtis
Publisher:
ISBN: 9780662134619
Category : Birds
Languages : en
Pages : 71
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Book Description
Presents reports on results of various waterfowl studies and surveys conducted by Canadian Wildlife Service in Ontario. Three sections: waterfowl breeding populations, waterfowl population trends, and waterfowl use of moulting, staging and wintering areas.
Author: Al Sandilands
Publisher: UBC Press
ISBN: 0774859431
Category : Nature
Languages : en
Pages : 369
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Book Description
The vast literature on the history of birds is continually growing, but rarely has this information been compiled so that it is readily available in one reference work. Birds of Ontario is such a work, providing a comprehensive summary of the life history requirements of bird species in the province.
Author: Loren M. Smith
Publisher: Texas Tech University Press
ISBN: 9780896722040
Category : Business & Economics
Languages : en
Pages : 586
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Book Description
This important compilation on habitat management for waterfowl throughout North America addresses practicing waterfowl biologists and managers, researchers, and students of waterfowl ecology and management.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 68
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Book Description
Author: Harold H. Prince
Publisher: CRC Press
ISBN: 1351079174
Category : Technology & Engineering
Languages : en
Pages : 304
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Book Description
This book represents the proceedings of the firstGreat Lakes Costal Wetlands Colloquium (November 5-7, 1984; East Lansing, Michigan). The theme wasNatural and Manipulated Water Levels in Great Lakes Wetlands. This material constitutes both Great Lakes wetlands and the state of understanding about them. It is intended to provide fisheries and wildlife biologists, ecologists, aquatic resource managers and planners and environmental scientists information about the coastal wetlands in regard to eight priority areas. The colloquium and publication of the proceedings were cosponsored by Sea Grant Program and Environment Canada.
Author:
Publisher:
ISBN:
Category : Wildlife conservation
Languages : en
Pages : 176
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Book Description
Author: H. Boyd
Publisher:
ISBN:
Category : Waterfowl
Languages : en
Pages : 106
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Book Description
Author: John M. Gunn
Publisher: Springer Science & Business Media
ISBN: 1461225205
Category : Nature
Languages : en
Pages : 405
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Book Description
Sudbury, Ontario is one of the world's most polluted areas. A century of industrial activities has resulted in thousands of acidified lakes and vast areas of denuded land. This book describes, in a manner accessible to a wide audience, the damage and the efforts at environmental restoration at Sudbury which resulted in its winning a United Nations award in 1992 for land reclamation. The book has been written by a distinguished group of contributors, ranging from experts in acid rain and land reclamation to environmental engineers and toxicologists.
Author: I.P. Martini
Publisher: Elsevier
ISBN: 0080870821
Category : Science
Languages : en
Pages : 515
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Book Description
The various chapters of this book have been written by researchers who are still working in the Canadian Inland Seas region. The chapters synthesize what is known about these seas, yet much still is to be learnt. It is hoped that this collection of information will serve as a springboard for future, much needed, studies in this fascinating, diverse region, and will stimulate comparative analyses with other subarctic and arctic basins of the world. The Canadian Inland Seas are the only remnants, albeit cold, of the ancient cratonic marine basins which occupied central North America throughout the Paleozoic and part of the Mesozoic. Precambrian rocks and gently dipping Paleozoic sedimentary rocks underlie the seas. The area is also close to the centers of Pleistocene glaciations. The coastal areas represent an emerged landscape of the post-glacial Tyrrell sea, as the region has been isostatically uplifted to about 350 meters since glacial times. A total of 56 fish species inhabit Hudson Bay and James Bay. Seals, whales and one of the largest and southernmost populations of polar bears inhabit the seas as well. The coastal areas are important habitats for migratory bird populations, some of which migrate from as far away as Southern Argentina.The ostic environment has preserved these regions relatively unchanged by man, with only a major harbour at Churchill, Manitoba, which is active for part of the year, and a second large, rail-terminal settlement in the south at Moosonee, Ontario. A few, small, native Indian and Inuit villages dot the coasts. The seas are being affected indirectly by the damming of rivers for the generation of hydroelectric power, and by drainage diversions towards the man-made reservoirs. A major project is being completed in Quebec east of James Bay, but other rivers in Ontario and Manitoba have been dammed as well. Undoubtedly freshwater is one of the more important resources of the area, however its exploitation needs careful thought because of the possible long-range effects on the environment, particularly the coastal marshes, which sustain much of the eastern American intercontinental migratory avifauna. Other resources occur in the regions, primarily minerals and perhaps petroleum. For the most part however, such resources remain to be discovered.
Author:
Publisher: U of Minnesota Press
ISBN: 9781452900162
Category : Electronic books
Languages : en
Pages : 812
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Book Description
