Seychelles tuna bulletin : third quarter 1989
1989
Seychelles Fishing Authority
The number of purse seiners active in the Western Indian Ocean during the third quarter of 1989 increased from 46 vessels in June to 48 in July reaching an all-time high of 51 in September. The highest number of vessels previously recorded for this fishery was 49, between December 1984 to February 1985, and in early 1989. During the same period last year a maximum of 46 vessels were in operation.Poor fishing results obtained during the second quarter continued throughout July and August, with daily catch rates averaging 11-13 MT. In September, however, fishing success improved considerably with catch rates rising to 26.5 MT/day, nearly reaching the level obtained (30 MT/day during the same period last year. Skipjack remained the predominant species in the catch whereas only a slight improvement in the proportion of yellow fin was obtained, from 12% in July to 19% in September. The fishing pattern was similar to that observed in previous years; fishing activity was concentrated towards the northern end of the Seychelles EEZ, north or latitude 5 degrees south. As determined from seiner logbooks received by the 30th of September 1989 the cumulative catch by purse seiners in the Western Indian Ocean now stands at 163,252 tones for 1989.
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