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Fishery Charts / Atlas

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Atlas Of Tunas, Billfishes and Sharks In the Indian EEZ Around Andaman & Nicobar Islands (December 2000)

K. M. Joseph

Atlas Of Tunas, Billfishes and Sharks In the Indian EEZ and Adjacent Oceanic Regions (1988)

D.Sudarshan, V. S. Somvanshi and M. E. John

Data collected in the investigation of tunas and allied resources by the survey vessels, Matsya Sugundhi and Matsya Harini of Fishery Survey of India and the training vessel M.V. Prashikshani of Central Institute of Fisheries Nautical and Engineering Training formed the basis of this atlas. The specifications of vessels, and longline gear used are presented in detail. The survey conducted during October 1983 to March 1988 in the seas north of equator upto lat. 16N between long. 67E and 96E are considered. The number of hooks operated by each vessel and aggregate sampling effort expended are presented. The major components in longline catch from the Indian seas are listed with their diagnostic characters. The spatial distribution pattern of important resources viz.,yellowfin tuna, bigeye tuna, skipjack, marlin, sail fish, swordfish and sharks are presented as annual as well as monthly charts with a resolution of 1lat. x 1 long. The resource structure is depicted on a quarterly basis for grids of 5lat. x 5long.

Demersal Trawl Fishery Chart Of Wadge Bank (1984)

K. M. Joseph

The fishery charts are prepared on the basis of demersal trawl survey carried out by Matsya Nireekshani, a 330 GRT fishery survey vessel, from October 1981 to April 1983. Wadge Bank located between lat. 7-8N; long. 7630'-78E and having an area of about 12,000 sq.km was surveyed by a combination of acoustic search and trawling. Seven teen cruises of an average duration of 20 days were carried out, the results of which are presented in the charts. The distribution pattern of important groups of fishes, viz., perches, nemipterids, rays, squid and cuttle fish, carangids, lizard fish, catfish and other fishes are presented.The charts also depict the monthwise catch per hour, percentage composition and percentage of the different groups in relation to the total catch.

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