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Author : Fredrik V. Thorsteinson
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (91 download)
Download or read book Experimental Harvest of the Steller Sea Lion in Alaskan Waters written by Fredrik V. Thorsteinson and published by . This book was released on 1961 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Fredrik V. Thorsteinson
Publisher : Forgotten Books
ISBN 13 : 9780267220434
Total Pages : 22 pages
Book Rating : 4.2/5 (24 download)
Download or read book Experimental Harvest of the Steller Sea Lion in Alaskan Waters (Classic Reprint) written by Fredrik V. Thorsteinson and published by Forgotten Books. This book was released on 2018-02-08 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Experimental Harvest of the Steller Sea Lion in Alaskan Waters Sea lion harvesting should take place during the pupping and breeding season when the animals are most available and least wary. On large rookeries specific areas should be hunted alternately for a greater yield. On a hunt-rest basis animals would not vacate an area quickly and would therefore be available for along period of time. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309086329
Total Pages : 217 pages
Book Rating : 4.3/5 (9 download)
Download or read book Decline of the Steller Sea Lion in Alaskan Waters written by National Research Council and published by National Academies Press. This book was released on 2003-05-04 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309168724
Total Pages : 216 pages
Book Rating : 4.3/5 (91 download)
Download or read book Decline of the Steller Sea Lion in Alaskan Waters written by National Research Council and published by National Academies Press. This book was released on 2003-04-04 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : United States. Congress. Senate. Committee on Commerce. Subcommittee on Merchant Marine and Fisheries
Publisher :
ISBN 13 :
Total Pages : 684 pages
Book Rating : 4.F/5 ( download)
Download or read book North Pacific Fisheries Problems written by United States. Congress. Senate. Committee on Commerce. Subcommittee on Merchant Marine and Fisheries and published by . This book was released on 1962 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Congress Senate
Publisher :
ISBN 13 :
Total Pages : 1924 pages
Book Rating : 4.3/5 (511 download)
Download or read book Hearings written by United States. Congress Senate and published by . This book was released on 1961 with total page 1924 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 596 pages
Book Rating : 4.:/5 (318 download)
Download or read book Environmental Assessment of the Alaskan Continental Shelf written by and published by . This book was released on 1983 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ethel I. Todd
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.F/5 ( download)
Download or read book Books and Articles on Marine Mammals written by Ethel I. Todd and published by . This book was released on 1968 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (3 download)
Download or read book Special Scientific Report written by and published by . This book was released on 1961 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 380 pages
Book Rating : 4.3/5 (91 download)
Download or read book Commercial Fisheries Abstracts written by and published by . This book was released on 1961 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 84 pages
Book Rating : 4.:/5 (2 download)
Download or read book Circular written by and published by . This book was released on 1969 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher :
ISBN 13 :
Total Pages : 874 pages
Book Rating : 4.:/5 (318 download)
Download or read book Bureau of Commercial Fisheries Fishery-Oceanography Center, La Jolla, California written by and published by . This book was released on 1968 with total page 874 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John T. Conover
Publisher :
ISBN 13 :
Total Pages : 1224 pages
Book Rating : 4.:/5 (318 download)
Download or read book A Morphometric Study of Silver Hake written by John T. Conover and published by . This book was released on 1961 with total page 1224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (3 download)
Download or read book Fishery Bulletin written by and published by . This book was released on 1981 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (6 download)
Download or read book Research Paper PNW. written by and published by . This book was released on 1978 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 796 pages
Book Rating : 4.3/5 (555 download)
Download or read book Steller Sea Lion Protection Measures written by and published by . This book was released on 2001 with total page 796 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (319 download)
Download or read book Sand Lance : a Review of Biology and Predator Relations and Annotated Bibliography written by and published by . This book was released on 1999 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
