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Estimated biomass of demersal flshes off Saurashtra coast

By E Vivekanandan and C Gopal


Analyiis of exploratory tiawl lurvey data for the areas between latitudes 20°N (off Veraval) and\ud 23°2(m ( (^ Jaldiau) and longitudes 68°E and 70°S0^ in the Saurashtra coast for a S-year period from 198S\ud to 1989 revealed that the average demersal fish biomass in this area w u 430.4 kg/km^ The biomass per\ud unit area increased in the north western direction from Veraval up to Harshad. Sdaenid and riUxMifish\ud contributed substantially to the resource, forming as high as 62.5% of total demersal biomass. During the\ud S-year period, the dianersel biomass declined from 634.7 kg/km^ in 198S to 3SS.0 kg/km^ in 1989, i.e. a\ud decrease of abcwt 44%

Topics: Demersal Fisheries
Publisher: CMFRI/ICAR
Year: 1991
OAI identifier:

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