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Impact assessment of bottom trawling on the Marine biodiversity along Kerala- Winter School on Towards Ecosystem Based Management of Marine Fisheries – Building Mass Balance Trophic and Simulation Models

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Relation http://eprints.cmfri.org.in/5292/
 
Title Impact assessment of bottom trawling on the Marine biodiversity along Kerala- Winter School on Towards Ecosystem Based Management of Marine Fisheries – Building Mass Balance Trophic and Simulation Models
 
Creator Kurup, B Madhusoodana
 
Subject Bottom Trawling
 
Description The introduction of mechanised trawlers to exploit the demersal resources beyond
the traditional fishing grounds of Kerala in the early fifties was an important event in the
marine fisheries of Kerala and due to its high returns it became widespread all along the
trawlable coastal grounds. As it is found as the most efficient method for the exploitation of
shrimps and therefore, its number has shown an exponential increase along the coastal
waters of Kerala. Among the mechanised boats operating along Kerala coast more than
90% belong to bottom trawl specifically aimed for the exploitation of shrimp resources of
the inshore waters (Ravindran and Baiju, 1998). Kurup and Radhika (2003) enumerated the
number of bottom trawlers operated from 11 major and minor fisheries harbours of Kerala
as 4960.Bottom trawling being a non selective fishing gear, it hauls up all the organisms
dwelling at the sea bottom and therefore, its destructive effect to the non target organisms
of the sea bottom is a matter of grave concern on a global basis (Jennings and Kaiser,
1998).
 
Publisher CMFRI; Kochi
 
Date 2004
 
Type Teaching Resource
NonPeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/5292/1/23.pdf
Kurup, B Madhusoodana (2004) Impact assessment of bottom trawling on the Marine biodiversity along Kerala- Winter School on Towards Ecosystem Based Management of Marine Fisheries – Building Mass Balance Trophic and Simulation Models. [Teaching Resource]