Evaluation of Ecosystem services of Villorita cyprinoides in Vembanad

Theresa Paul, Thankam and Shyam, S Salim and Manoharan, V S and Unnithan, Usha (2015) Evaluation of Ecosystem services of Villorita cyprinoides in Vembanad. In: Proceedings of International Conference on Biodiversity and Evaluation: Perspectives and Paradigm shifts. Cochin University of Science and Technology and Sree Sankara College, Kochi, pp. 85-88. ISBN 978-93-80095-70-7

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    Abstract

    Vembanad Lake, a wetland of international importance, famous for waterfowl habitat was designated a Ramsar site, for conservation and sustainable utilisation of the ecosystem. Millennium ecosystem assessment (2005) emphasises that the various services provided by the ecosystem benefitting human population needs to be identified and evaluated for judicious utilisation of the resources. Villorita cyprinoides is a major species contributing to the molluscan fishery of Vembanad lake. The study involving Villorita sp. was taken up with the objectives of development of a conceptual framework encompassing the different ecosystem services provided by the clam resources, estimation of the values of selected ecosystem services using appropriate proxies and analysis of the trade-offs between anthropogenic activities like dredging vis-a-vis clam resources utilizations following the principles of MEA (2005). The study identified that the clam fisheries in the lake is most acknowledged for its provisioning ecosystem services. Apart from the regulating services such as water quality maintenance and carbon sequestration, the cultural and the linking services provided by clam fisheries to human are also identified. In spite of the identification of the various services, the non-realisation of the value of the services provided by clam fisheries has prompted the destruction of the resource knowingly or unknowingly by our activities. One of the anthropogenic activities affecting the clam fisheries is the dredging of sub fossil deposits of clamshell or white clams which are good sources of calcium carbonate for cement manufacturers. Identifying the lacunae of non-realisation of the services of clam resources, the paper has judiciously attempted not only to evaluate the services of the ecosystem service provider but also to externalize the internalities in the ecosystem services evaluation process by considering the various social costs and benefits associated with the resource.

    Item Type: Book Section
    Uncontrolled Keywords: Black clam management, Ecosystem service provider, Ecosystem service evaluation
    Subjects: Molluscan Fisheries > Clam
    Divisions: CMFRI-Kochi > Fishery Extension
    Subject Area > CMFRI > CMFRI-Kochi > Fishery Extension
    CMFRI-Kochi > Fishery Extension
    Subject Area > CMFRI-Kochi > Fishery Extension
    Depositing User: Arun Surendran
    Date Deposited: 18 Apr 2016 05:00
    Last Modified: 18 Jul 2016 06:43
    URI: http://eprints.cmfri.org.in/id/eprint/10757

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