Self-regulatory quota system in the brown mussel fishery at Vizhinjam

Gomathi, P and Anil, M K and Laxmilatha, P and Sasikumar, Geetha (2023) Self-regulatory quota system in the brown mussel fishery at Vizhinjam. Marine Fisheries Information Service, Technical and Extension Series (256). pp. 26-27. ISSN ISSN 0254-380X

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Abstract

Managing fisheries of bivalve mussels is challenging because these are highly variable resources due to their strong dependence on annual recruitments. As a result of environmental and oceanic conditions, their abundance may also exhibit cyclical tendencies. The sedentary nature, combined with the coastal nature of the fishery, makes them highly vulnerable, particularly at low stock sizes, increasing the risk of overfishing and depletion. Therefore, the management of sedentary bivalves needs to adapt to the fluctuations in productivity and abundance of these resources to minimize the chances of collapses. The Vizhinjam-Kovalam region of Kerala is one of India’s important brown mussel (Perna indica) fishing areas

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