Fur Seal Investigations PDF Download
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Author:
Publisher:
ISBN:
Category : Northern fur seal
Languages : en
Pages : 56
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Book Description
Author:
Publisher:
ISBN:
Category : Northern fur seal
Languages : en
Pages : 56
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Book Description
Author: David Starr Jordan
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages :
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Book Description
Author: United States. Department of the Treasury. Commission on Fur-Seal Investigations
Publisher:
ISBN:
Category : Seals (Animals)
Languages : en
Pages : 56
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Book Description
Author: Alton Y. Roppel
Publisher:
ISBN:
Category : Northern fur seal
Languages : en
Pages : 112
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Book Description
Author: Alton Y. Roppel
Publisher:
ISBN:
Category : Northern fur seal
Languages : en
Pages : 72
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Book Description
Author: Marine Mammal Biological Laboratory (U.S.)
Publisher:
ISBN:
Category : Northern fur seal
Languages : en
Pages : 584
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Book Description
Author: North Pacific Fur Seal Commission
Publisher:
ISBN:
Category : Sealing
Languages : en
Pages : 180
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Book Description
Author: United States
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages :
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Book Description
Author: David Starr Jordan
Publisher:
ISBN:
Category : Natural history
Languages : en
Pages : 350
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Book Description
Author: U. S. National Marine Fisheries Service
Publisher: Forgotten Books
ISBN: 9781333844370
Category : Business & Economics
Languages : en
Pages : 144
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Book Description
Excerpt from Fur Seal Investigations, 1968 Now, 13 years after we first began to reduce the seal population with the expectation that a smaller population would yield larger kills and more stability, we are ready to let it increase in size. The high population of the 1950's has been reduced and held at nearly the same level since 1963. An estimate of the mean kill of males from the year classes at this lower population level and the size of fluctuations to be expected in the kill will be determined from collections of data completed by 1972. The next step will be to find the productivity of the population when it reaches anew, higher level. Information about marked seals continues to upset any of our previous notions about the purity of separate populations in the North Pacific. A small colony of seals that produced young in 1968 on San Miguel Island, off the coast of California, included marked animals from the Pribilof and Commander Islands. A male seal marked in late June 1968 on the Pribilof Islands was taken on the Commander Islands within a month. 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.
