Potential Yield Estimates for marine fisheries of Gujarat

Vase, Vinay Kumar and Kumar, Rajan and Jayasankar, J and Sreenath, K R and Koya, Mohammed and Divu, D and Rohit, Prathibha (2019) Potential Yield Estimates for marine fisheries of Gujarat. Journal of the Marine Biological Association of India, 61 (2). pp. 63-67.

JMBAI_2019_Vase V K_Potential Yield Estimates for marine fisheries of Gujarat.pdf

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    Seagrass meadows worldwide are declining fast, taking with them many species which depend on these underwater prairies as their habitat and feeding as well as breeding grounds. Our results obtained on the biomass and density of seagrass vegetation in the reef and lagoons of Agatti, Chetlat, Kavaratti and Kiltan Islands of U.T. Lakshadweep, indicated gradual but steady shrinking of seagrass meadows. The percentage reduction in density of seagrass meadows since December 2011 to November 2015 was estimated at 88.5% in Agatti, 88.7% in Chetlat, 78.4% in Kavaratti and 81.3% in Kiltan. Wet biomass of parts below the sediment were always higher than the epigeal parts comprising leaves, stem and bracts. The possible reason behind this decline in seagrass biomass might be grazing, deterioration of water quality due to increased anthropogenic activities and climate change. This situation calls for urgent steps to monitor the ecology and physico-chemical parameters of water and sediment in the existing meadows and to undertake immediate habitat restoration programmes.

    Item Type: Article
    Uncontrolled Keywords: Catch, standardized effort, Ycurr/MSY, median catch
    Subjects: Marine Fisheries > Estimation
    Divisions: CMFRI-Veraval
    Depositing User: Arun Surendran
    Date Deposited: 12 May 2020 07:43
    Last Modified: 12 May 2020 07:43
    URI: http://eprints.cmfri.org.in/id/eprint/14245

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