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On the Ecology and Sustainability of Penaeid Shrimp (Coastal) Fishing in Nigeria

by P. O. Abohweyere, Nigerian Inst for Oceannography and, Marine Research, Lagos, Nigeria,



Document Type: Proceeding Paper

Part of: Coastlines of Western Africa

Abstract:

The Nigerian coastline which is about 850-km long is indented with lagoon systems in the West, extensive mangrove swamp and a delta complex (Niger delta) which opens to the sea through a host of rivers which include Benin, Escravos, Forcados, Ramos, Dodo, Middleton, Fish Town, Nun, Brass, San Batholomeo, Bonny and Opodo. Near surface water temperate in these coastal waters is generally between 27^oc - 30^oc down to the thermocline which is between 20-40 m. Salinities range from 30-34%o. This wide range in salinity is a reflection of dilution by heavy rainfall and fresh water by the numerous rivers of the Niger delta.

Subject Headings: Developing countries | Sea water | Salt water | Fish and fishery management | Ecosystems | Water-based recreation | Water resources | Africa | Nigeria | Niger | Benin

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