Author: JAPAN TUNA FISHERIES FEDERATION (Tokyo)
Publisher:
ISBN:
Category :
Languages : en
Pages : 25
Book Description
Katsuo to Maguro. Skip Jack and Tunas (Statistics of Japanese Tuna Fishery).
Author: JAPAN TUNA FISHERIES FEDERATION (Tokyo)
Publisher:
ISBN:
Category :
Languages : en
Pages : 25
Book Description
Publisher:
ISBN:
Category :
Languages : en
Pages : 25
Book Description
Katsuo to Maguro
Author:
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 25
Book Description
Publisher:
ISBN:
Category : Fisheries
Languages : en
Pages : 25
Book Description
Katsuo to Maguro
Author:
Publisher:
ISBN:
Category : Marlin fisheries
Languages : en
Pages : 38
Book Description
Publisher:
ISBN:
Category : Marlin fisheries
Languages : en
Pages : 38
Book Description
The Japanese Tuna Fishing Industry
Author:
Publisher:
ISBN:
Category : Tuna fisheries
Languages : en
Pages : 40
Book Description
Publisher:
ISBN:
Category : Tuna fisheries
Languages : en
Pages : 40
Book Description
Commercial Fisheries Review
Author:
Publisher:
ISBN:
Category : Fish trade
Languages : en
Pages : 492
Book Description
Publisher:
ISBN:
Category : Fish trade
Languages : en
Pages : 492
Book Description
Seasonal Distribution of Tunas and Billfishes in the Atlantic
Author: John P. Wise
Publisher:
ISBN:
Category : Albacore
Languages : en
Pages : 32
Book Description
Charts of the Atlantic Ocean for each quarter of the year--January-March, etc.--show the distribution of 10 species and groups of species fished by the Japanese Atlantic longline fishery in the years 1956-68. These charts are based on detailed catch and fishing effort data published by the Japanese Government. Quarterly average catch per unit of effort was calculated for each 5° x 5° square, and contour lines were drawn through equal levels of catch per unit of effort. The text explains the calculation and contouring processes in detail, and has a section of remarks and explanation for each of the 10 species or groups.
Publisher:
ISBN:
Category : Albacore
Languages : en
Pages : 32
Book Description
Charts of the Atlantic Ocean for each quarter of the year--January-March, etc.--show the distribution of 10 species and groups of species fished by the Japanese Atlantic longline fishery in the years 1956-68. These charts are based on detailed catch and fishing effort data published by the Japanese Government. Quarterly average catch per unit of effort was calculated for each 5° x 5° square, and contour lines were drawn through equal levels of catch per unit of effort. The text explains the calculation and contouring processes in detail, and has a section of remarks and explanation for each of the 10 species or groups.
Synopsis of Biological Data on Skipjack Tuna, Katsuwonus Pelamis
Author: Walter M. Matsumoto
Publisher:
ISBN:
Category : Skipjack tuna
Languages : en
Pages : 100
Book Description
Publisher:
ISBN:
Category : Skipjack tuna
Languages : en
Pages : 100
Book Description
Five Japanese Papers on Skipjack
Author: U.S. Fish and Wildlife Service
Publisher:
ISBN:
Category : Skipjack tuna
Languages : en
Pages : 88
Book Description
Publisher:
ISBN:
Category : Skipjack tuna
Languages : en
Pages : 88
Book Description
Distribution, Relative Abundance, and Movement of Skipjack Tuna, Katsuwonus Pelamis, in the Pacific Ocean Based on Japanese Tuna Longline Catches, 1964-67
Author: Walter M. Matsumoto
Publisher:
ISBN:
Category : Skipjack tuna
Languages : en
Pages : 802
Book Description
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.
Publisher:
ISBN:
Category : Skipjack tuna
Languages : en
Pages : 802
Book Description
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.
Japanese Summer Fishery for Albacore (G̲e̲r̲m̲o̲ A̲l̲a̲l̲u̲n̲g̲a̲).
Author: Wilvan G. Van Campen
Publisher:
ISBN:
Category : Albacore
Languages : en
Pages : 36
Book Description
The important albacore fishery carried on by a fleet of Japanese live-bait tuna boats in the spring and early-summer in the northwestern Pacific is described. An account is given of the the historical background of the fishery, and the magnitude of its production is compared with other Japanese albacore fisheries and with the United States west coast fishery. The seasonal trends in landings, geographical distribution of bases and fishing grounds, and the marketing and utilization of the catch are discussed. The fishery is shown to be the largest in the world for this species, although only a recent outgrowth of, and still subsidiary to, the Japanese skipjack fishery, and to be largely dependent on foreign markets for its support.
Publisher:
ISBN:
Category : Albacore
Languages : en
Pages : 36
Book Description
The important albacore fishery carried on by a fleet of Japanese live-bait tuna boats in the spring and early-summer in the northwestern Pacific is described. An account is given of the the historical background of the fishery, and the magnitude of its production is compared with other Japanese albacore fisheries and with the United States west coast fishery. The seasonal trends in landings, geographical distribution of bases and fishing grounds, and the marketing and utilization of the catch are discussed. The fishery is shown to be the largest in the world for this species, although only a recent outgrowth of, and still subsidiary to, the Japanese skipjack fishery, and to be largely dependent on foreign markets for its support.