22 resultados para SPORT

em Aquatic Commons


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The paper examined the Ruwan Kanya Reservoir in Kano State. It gave a background information on the fisheries of the lake. Also discussed is tilapia transplantation from Jakara to Ruwan Kanya reservoir. The transplantation revealed a tremendous improvement on the Lake fisheries species now recorded include Lates niloticus, Tilapia, Hydrocynus, Gnathonemus, Mormyrops mabpterurus and others. The proximity of the Ruwan Kanya Reservoir to Tiga Lake and the tourism resort near it, affords the place a good opportunity to serve as a good sport fishing ground. Procedures for transforming the reservoir to sport fishing ground have been advanced

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Three surveys spanning 28 years were examined for changes in species caught by recreational fishermen from small boats (skiffs) and commercial passenger fishing vessels (CPFV's) in California's Monterey Bay region. As fishing effort increased, the catch of certain nearshore species of rockfish, Sebastes spp., declined. CPFV fishing was conducted farther from port and in deeper water to compensate for declining abundance while most skiffs remained in traditional areas close to port. The trend toward deeper water CPFV fishing has been interrupted only temporarily by increased availability of nearshore species. Life history characteristics of rockfish including residential behavior, variable recruitment, and natural longevity contribute to a vulnerability to localized overfishing for several species.

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