Numbers and Lengths, by Season, of Fishes Caught with an Otter Trawl Near Woods Hole, Massachusetts, September 1961 to December 1962

Numbers and Lengths, by Season, of Fishes Caught with an Otter Trawl Near Woods Hole, Massachusetts, September 1961 to December 1962 PDF Author: F. E. Lux
Publisher:
ISBN:
Category : Fishes
Languages : en
Pages : 24

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Special Scientific Report

Special Scientific Report PDF Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 698

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Distribution, Relative Abundance, and Movement of Skipjack Tuna, Katsuwonus Pelamis, in the Pacific Ocean Based on Japanese Tuna Longline Catches, 1964-67

Distribution, Relative Abundance, and Movement of Skipjack Tuna, Katsuwonus Pelamis, in the Pacific Ocean Based on Japanese Tuna Longline Catches, 1964-67 PDF Author: Walter M. Matsumoto
Publisher:
ISBN:
Category : Skipjack tuna
Languages : en
Pages : 802

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Catch data of the Japanese tuna longline fishery from 1964 to 1967 were analyzed to determine the distribution, abundance, and movement of skipjack tuna, Katsuwonus pelamis, in offshore waters of the Pacific Ocean. Large skipjack tuna, as well as larvae, were found to be concentrated mainly in the east central equatorial Pacific. Movement of skip-jack tuna stocks was determined by following the shifting of high-CPUE (catch per unit effort) cells from one quarter to the next. The apparent movement of skipjack tuna stocks in the Pacific appeared to coincide with the circulation of the major ocean currents; counterclockwise in the southern hemisphere and clockwise in the northern hemisphere, except in the eastern Pacific where the current flow is counterclockwise. The movement patterns of high CPUE suggested that skipjack tuna adults or their progeny could move from one area to the next. The movement pattern was used also to determine the probable migratory routes followed by skipjack tuna tagged in the eastern Pacific and recovered near the Hawaiian and Christmas islands.

NOAA Technical Report NMFS SSRF.

NOAA Technical Report NMFS SSRF. PDF Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 32

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Proceedings of the International Billfish Symposium, Kailua-Kona, Hawaii, 9-12 August 1972

Proceedings of the International Billfish Symposium, Kailua-Kona, Hawaii, 9-12 August 1972 PDF Author: Richard S. Shomura
Publisher:
ISBN:
Category : Billfish fisheries
Languages : en
Pages : 738

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Price Spreads and Cost Analyses for Finfish and Shellfish Products at Different Marketing Levels

Price Spreads and Cost Analyses for Finfish and Shellfish Products at Different Marketing Levels PDF Author: Edwin S. Penn
Publisher:
ISBN:
Category : Fishery products
Languages : en
Pages : 84

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Expendable Bathythermograph Observations from the NMFS/MARAD Ship of Opportunity Program for 1973

Expendable Bathythermograph Observations from the NMFS/MARAD Ship of Opportunity Program for 1973 PDF Author: Steven K. Cook
Publisher:
ISBN:
Category : Ocean temperature
Languages : en
Pages : 96

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Abundance of Benthic Macroinvertebrates in Natural and Altered Estuarine Areas

Abundance of Benthic Macroinvertebrates in Natural and Altered Estuarine Areas PDF Author: Gil Gilmore
Publisher:
ISBN:
Category : Benthos
Languages : en
Pages : 128

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Annotated Bibliography on the Biology of the Menhadens, Genus Brevoortia, 1963-1973

Annotated Bibliography on the Biology of the Menhadens, Genus Brevoortia, 1963-1973 PDF Author: John W. Reintjes
Publisher:
ISBN:
Category : Menhaden
Languages : en
Pages : 100

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Large-scale Air-sea Interactions at Ocean Weather Station V, 1951-71

Large-scale Air-sea Interactions at Ocean Weather Station V, 1951-71 PDF Author: David M. Husby
Publisher:
ISBN:
Category : Energy budget (Geophysics)
Languages : en
Pages : 52

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