Remote sensing in marine fisheries, especially for tunas

Silas, E G (1985) Remote sensing in marine fisheries, especially for tunas. Bulletin of the National Natural Resources Management System, B (6). p. 76.

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    Abstract

    Most of the species of tunas respond directly to the temperature variations and it may be stated that certain upper and lower limiting temperatures determine the limits of ranges of tunas in the oceans. Several investigations have been conducted to understand the relation between the variation in sea surface temperature and availability of tunas. The influence of temperature between limiting isotherms on the ~stribution 6f tuna is indirect and is through the availability offorage organisms, especially in areas such as oceanic fronts where marked horizontal temperature differences are observed. In the tropical areas, localised differences in the surface temperature also may point the areas of current boundaries, upwelling etc. where forage organisms for tunas accumulate.

    Item Type: Article
    Uncontrolled Keywords: Remote sensing; marine fisheries; tuna
    Subjects: Oceanography > Remote sensing
    Pelagic Fisheries > Tuna fisheries
    Divisions: CMFRI-Kochi > Marine Capture > Pelagic Fisheries Division
    Subject Area > CMFRI > CMFRI-Kochi > Marine Capture > Pelagic Fisheries Division
    CMFRI-Kochi > Marine Capture > Pelagic Fisheries Division
    Subject Area > CMFRI-Kochi > Marine Capture > Pelagic Fisheries Division
    Depositing User: Arun Surendran
    Date Deposited: 03 Feb 2011 06:22
    Last Modified: 09 Sep 2015 15:43
    URI: http://eprints.cmfri.org.in/id/eprint/7255

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