Note on the size groups of prawns landed by shrimp trawls of four different cod end meshes
1965
Satyanarayana, A.V.V.
A study on the different size groups of prawns caught by four shrimp trawls having different cod-end meshes was made by the author. The results indicate that small sized prawns of mean length 77.15 mm were captured by the net having 23.38 mm cod-end at 5-6 fathoms depth, medium prawns of mean length 105.22 mm was caught in 25.21 mm and 19.88 mm cod-end at 8 fathoms depth and big sized prawns of mean length 117.98 mm were caught in 21.29 mm cod-end. Further the relation of length on breadth of prawn is worked out to be : Bp=0.15 Lp - 1.50 where Bp and Lp are breadth and length respectively.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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