Age and growth of the Pacific halibut <Emphasis Type="Italic">Hippoglossus stenolepis</Emphasis> and the size-age composition of its catches in the North-Western part of the Pacific Ocean |
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Authors: | A M Orlov E N Kuznetsova I N Mukhametov |
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Institution: | (1) U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, USA;(2) 8003 Meadow Hills Circle, Anchorage, AK 99502, USA;(3) School of Fisheries and Ocean Sciences, University of Alaska Fairbanks, Fairbanks, AK 99775-7220, USA |
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Abstract: | The results of investigation are discussed on age and growth of the Pacific halibut Hippolglossus stenolepis, as well as size-age composition of its catches in three regions of the North-Western Pacific—in Navarin area of the Bering
Sea, in Pacific waters on the Northern Kurils and south-eastern Kamchatka, of the Southern Kurils—from the end of the last
century. The growth rate of Pacific halibut is similar in all three regions in spite of their considerable geographic remoteness.
No significant differences in the growth rate of males and females in these regions, as well as no significant interannual
differences in growth of specimens caught in Pacific waters off the Northern Kurils and south-eastern Kamchatka in 1996–2000,
are found. Comparison of the present-day size-age composition and that in the beginning-middle of the last century revealed
their considerable similarity. |
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