The relationship between boat size and fish catches in the gillnet fishery of Lake Victoria, Uganda

Muhoozi, L. and Ogutu-Ohwayo, R. (1999) The relationship between boat size and fish catches in the gillnet fishery of Lake Victoria, Uganda. In: Report on Fourth FIDAWOG Workshop held at Kisumu, 16 to 20 August 1999. Jinja, Uganda, Lake Victoria Fisheries Research Project, pp. 63-77. (LVFRP Technical Document,7)

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Abstract

The number and size composition of gillnets, fishing grounds, and the quantity and composition of fish catches were related to the size of fishing boat. The overall number of gillnets per boat increased from 20.9 + or - 2.3 nets in 5-6 m long boats to 88.6 + or - 11.8 nets in 11-12 m long boats. The proportion of large mesh sizes, + or more than 127 mm, also increased from 40% in 5-6 m long boats to 100% in boats longer than 10 m. Fish catches are related to the size of boat and this should be considered when formulating management guidelines of the lake's fishery. Promotion of large fishing boats 8 m or longer and restriction on the number and/or mesh size of gillnets of smaller boats could increase ecological and socio-economic benefits.

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