The Harbour Seal in British Columbia PDF Download
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Author: Michael A. Bigg
Publisher:
ISBN:
Category : Harbor seal
Languages : en
Pages : 48
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Author: Marianne Riedman
Publisher: Univ of California Press
ISBN: 0520320085
Category : Science
Languages : en
Pages : 515
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Book Description
This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived makes high-quality, peer-reviewed scholarship accessible once again using print-on-demand technology. This title was originally published in 1990. This title is part of UC Press's Voices Revived program, which commemorates University of California Press’s mission to seek out and cultivate the brightest minds and give them voice, reach, and impact. Drawing on a backlist dating to 1893, Voices Revived
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 112
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Book Description
Author: University of California, Santa Cruz
Publisher:
ISBN:
Category : Marine mammals
Languages : en
Pages : 556
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Book Description
Author: P. S. Hill
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 168
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Book Description
"On April 30, 1994, Public Law 103-238 was enacted allowing significant changes to provisions within the Marine Mammal Protection Act (MMPA). Interactions between marine mammals and commercial fisheries are addressed under three new sections. This new regime replaced the interim exemption that has regulated fisheries-related incidental takes since 1988. Section 117, Stock Assessments, required the establishment of three regional scientific review groups to advise and report on the status of marine mammal stocks within Alaska waters, along the Pacific Coast (including Hawaii), and the Atlantic Coast (including the Gulf of Mexico). This report provides information on the marine mammal stocks of Alaska under the jurisdiction of the National Marine Fisheries Service"--Preface. [doi:10.7289/V5/TM-AFSC-78 (https://doi.org/10.7289/V5/TM-AFSC-78)]
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 644
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Author: P. Scott Hill
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 184
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Book Description
"On April 30, 1994, Public Law 103-238 was enacted allowing significant changes to provisions within the Marine Mammal Protection Act (MMPA). Interactions between marine mammals and commercial fisheries are addressed under three new sections. This new regime replaced the interim exemption that has regulated fisheriesrelated incidental takes since 1988. Section 117, Stock Assessments, required the establishment of three regional scientific review groups to advise and report on the status of marine mammal stocks within Alaska waters, along the Pacific Coast (including Hawaii), and the Atlantic Coast (including the Gulf of Mexico). This report provides information on the marine mammal stocks of Alaska under the jurisdiction of the National Marine Fisheries Service"--Preface. [doi:10.7289/V5/TM-AFSC-110 (https://doi.org/10.7289/V5/TM-AFSC-110)]
Author: Leah Bendell
Publisher: CRC Press
ISBN: 0429655649
Category : Nature
Languages : en
Pages : 182
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Book Description
Stewarding the Sound uses different perspectives to build awareness of the wealth and fragility of this ecosystem by balancing economic and social needs with conservation. This book, the first ever compilation of the ecological importance of the Sound, demonstrates the cumulative stresses that are now occurring within the Sound and the impact that these stresses are having on the ecosystem. This contributed volume will provide the means of reaching a wide audience to spread awareness of how ecologically important this region is and that it requires a sound management plan so that its ecosystem and the services that ecosystem provides are not compromised.
Author: D. Renouf
Publisher: Springer Science & Business Media
ISBN: 9401131007
Category : Science
Languages : en
Pages : 424
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Book Description
We teach our students of behavioural science that one first defines a research problem, and then the most appropriate animal is selected to investigate hypotheses. The reverse order of events is improper: a particular class of animals should not be studied for its own sake. In the case of the Pinnipeds (seals, sea lions, fur seals and walruses) the organism and the problem are essentially the same. The research questions presented in this volume in one way or another relate to survival in two worlds, the ocean for foraging, and the terrain at its edge or frozen above it for breeding. The evolution of Pinniped behaviour and the mechanisms which underlie it are a consequence of having to cope with two seemingly incompatible sets of environmental constraints. The physiological adaptations for concomitant functioning in two media with very different physical characteristics have produced correlated behav ioural modifications. The energetic demands of reproduction and foraging are idiosyncratic because each activity occurs on opposite sides of the air/water interface. As a result, the mating system must reconcile aquatic design for such functions as locomotion and thermoregulation, with the terrestrial requirements for successful pupping. Similarly, the ecology of this dual habitat prescribes the rules governing the behaviour of the neonate and its interactions with its mother.
Author:
Publisher:
ISBN:
Category : Marine mammals
Languages : en
Pages : 214
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Book Description
Author: William Stewart Hoar
Publisher: Ottawa, Fisheries Research Board of Canada
ISBN:
Category : Chum salmon
Languages : en
Pages : 628
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Book Description
