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Trophic model of the coastal fisheries ecosystem of the southwest coast of India

Author

Listed:
  • Vivekanandan, E.
  • Srinath, M.
  • Pillai, V.N.
  • Immanuel, S.
  • Kurup, K.N.

Abstract

The Ecopath approach and software were used to construct a trophic model of the coastal fisheries ecosystem of the southwest (SW) coast of India. The model consisted of 11 ecological groups and used estimated landings from all areas along the southwest coast (based on the sample surveys conducted by Coastal Marine Fisheries Research Institute for the years 1994, 1995 and 1996). The trophic model suggests high catch levels, particularly for the large and medium predators, demersal feeders and detritivores. The biomass estimates in the trophic model were comparable to the biomass estimates from trawl surveys based on the swept area method for the southwest coast.

Suggested Citation

  • Vivekanandan, E. & Srinath, M. & Pillai, V.N. & Immanuel, S. & Kurup, K.N., 2003. "Trophic model of the coastal fisheries ecosystem of the southwest coast of India," Monographs, The WorldFish Center, number 37739, April.
    • Handle: RePEc:wfi:wfbook:37739
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    File URL: http://hdl.handle.net/20.500.12348/2135
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    More about this item

    Keywords

    Fishery resources; Demersal fisheries; Fishery surveys; Biomass; Population density; Shrimp fisheries; Catch/effort; Trawling; Mathematical models; Coastal fisheries; ISW; India;
    All these keywords.

    JEL classification:

    • Q00 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - General - - - General

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