Aerial and Land-based Surveys of Steller Sea Lions (Eumetopias Jubatus) in Alaska, June and July 1999 and 2000 PDF Download

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Aerial and Land-based Surveys of Steller Sea Lions (Eumetopias Jubatus) in Alaska, June and July 1999 and 2000

Aerial and Land-based Surveys of Steller Sea Lions (Eumetopias Jubatus) in Alaska, June and July 1999 and 2000 PDF Author: John L. Sease
Publisher:
ISBN:
Category : Mammal populations
Languages : en
Pages : 130

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Book Description

Aerial and Land-based Surveys of Steller Sea Lions (Eumetopias Jubatus) in Alaska, June and July 1999 and 2000

Aerial and Land-based Surveys of Steller Sea Lions (Eumetopias Jubatus) in Alaska, June and July 1999 and 2000 PDF Author: John L. Sease
Publisher:
ISBN:
Category : Mammal populations
Languages : en
Pages : 130

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Book Description

Steller Sea Lion and Northern Fur Seal Research

Steller Sea Lion and Northern Fur Seal Research PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 518

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Book Description

Steller Sea Lion and Northern Fur Seal Research: Purpose and need; Alternatives; Affected environment; Environmental consequences; National Environmental Policy Act compliance implementation and recommendations; List of preparers; List of agencies, organizations, and persons whom the draft EIS was sent; References; Index

Steller Sea Lion and Northern Fur Seal Research: Purpose and need; Alternatives; Affected environment; Environmental consequences; National Environmental Policy Act compliance implementation and recommendations; List of preparers; List of agencies, organizations, and persons whom the draft EIS was sent; References; Index PDF Author: United States. National Marine Fisheries Service. Office of Protected Resources. Permits Division
Publisher:
ISBN:
Category : Northern fur seal
Languages : en
Pages : 1128

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Glacier Bay National Park (N.P.) and Preserve, Vessel Quotas and Operating Requirements

Glacier Bay National Park (N.P.) and Preserve, Vessel Quotas and Operating Requirements PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 790

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Programmatic Supplemental EIS for Alaska Groundfish Fisheries Implemented Under the Authority of the Fishery Management Plans for the Groundfish Fishery of the Gulf of Alaska and the Groundfish of the Bering Sea and Aleutian Islands Area

Programmatic Supplemental EIS for Alaska Groundfish Fisheries Implemented Under the Authority of the Fishery Management Plans for the Groundfish Fishery of the Gulf of Alaska and the Groundfish of the Bering Sea and Aleutian Islands Area PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 808

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Steller Sea Lion Protection Measures

Steller Sea Lion Protection Measures PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 716

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Tongass National Forest (N.F.), Kensington Gold Project

Tongass National Forest (N.F.), Kensington Gold Project PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 822

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Marine Fisheries Review

Marine Fisheries Review PDF Author:
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 620

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Book Description

Decline of the Steller Sea Lion in Alaskan Waters

Decline of the Steller Sea Lion in Alaskan Waters PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309086329
Category : Science
Languages : en
Pages : 217

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Book Description
For an unknown reason, the Steller sea lion population in Alaska has declined by 80% over the past three decades. In 2001, the National Research Council began a study to assess the many hypotheses proposed to explain the sea lion decline including insufficient food due to fishing or the late 1970s climate/regime shift, a disease epidemic, pollution, illegal shooting, subsistence harvest, and predation by killer whales or sharks. The report's analysis indicates that the population decline cannot be explained only by a decreased availability of food; hence other factors, such as predation and illegal shooting, deserve further study. The report recommends a management strategy that could help determine the impact of fisheries on sea lion survival-establishing open and closed fishing areas around sea lion rookeries. This strategy would allow researchers to study sea lions in relatively controlled, contrasting environments. Experimental area closures will help fill some short-term data gaps, but long-term monitoring will be required to understand why sea lions are at a fraction of their former abundance.

Ring of Fire, Resource Management Plan

Ring of Fire, Resource Management Plan PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 588

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Book Description