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- W1483991861 abstract "Studies on the seine fishery of Negombo Lagoon in the west coast of Sri Lanka (7°10' N and 79°50' E) were carried out for a period of one year from May 1989 to April 1990. In the operation of this gear, 2 or 4 standard nets, each with a length of 32 m are used. Each net was made up of 4 or 5 vertically joined pieces of nets, with a stretched mesh size of 1.25 cm. 3 and 5 men are involved in 2 net and 4 net operations respectively. Total production from this gear was estimated to be around 36,000 kg/year. During the present study, 82 species of fish ranging in size from 2.5 cm to 130.0 cm were encountered together with 6 species of commercially important penaeid prawns. The catch and fishing effort were low from August to December. Catch per unit effort was high from February to May. Salinity and fish catch showed a significant positive correlation probably due to immigration of allochthonous marine organisms into the lagoon with increasing salinity. Fishing effort also showed a significant positive correlation with salinity. Significant difference between the catches of 4 net-piece and 5 net-piece nets was not observed (P>0.05). Although the catch and catch per fisherman were significantly higher in 4 net operations than in 2 net operations (P 0.05). 2 Net operations were observed to provide more employment opportunities and better distribution of income than 4 net operations. Threat of overexploitation of the resource was observed to be high in 4 net operations." @default.
- W1483991861 created "2016-06-24" @default.
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- W1483991861 date "1992-12-29" @default.
- W1483991861 modified "2023-09-24" @default.
- W1483991861 title "Present Status of the Seine Fishery in Negombo Lagoon of Sri Lanka" @default.
- W1483991861 doi "https://doi.org/10.4038/vjs.v4i1.6072" @default.
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