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Chapter 6Enhancing Rural Farmer Income through FishProduction: Secondary Use of Water Resourcesin Sri Lanka and ElsewhereUpali S. Amarasingh e and Thuy T.T. NguyenAbstract The inland fishery of Sri Lanka has been essentially a capture fisheryfrom major and medium scale irrigation reservoirs. However, small-sized (
104 U.S. Amarasinghe and T.T.T. Nguyen6.1 IntroductionSri Lanka (5º55 ¢ –9º55 ¢ N; 79º42 ¢ –81º52 ¢ E) is a continental island of about65,621 km 2 in monsoonal Asia with rich water resources. There are 103 perennialrivers in Sri Lanka, most of which run radially from the central highland area anddrain into the western, southern, and eastern coasts. These river basins drain over90% of the land area. Floodplains, lagoons, and estuaries also form natural inlandwater resources of the island (NSF 2000) . There are no natural lakes in Sri Lanka,but the country has a multitude of reservoirs, including ancient irrigation reservoirsand recently constructed multipurpose reservoirs (De Silva 1988 ; Fernando 1993) .Almost all of these reservoirs are situated in the zone of the country receiving lessthan 187 cm annual precipitation (Fig. 6.1 ). This zone is located within the lowestpeneplain of the island, and covers approximately 66% of the total land area of thecountry, which holds 33% of the country’s population. Over 90% of the rural populationis directly involved in farming and the peasant community is characterizedby acute poverty and malnutrition (De Alwis 1983) .The inland fishery of Sri Lanka has been essentially a capture fishery fromperennial reservoirs (major and medium-scale irrigation reservoirs; Table 6.1 ).However, most small-sized (
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Sena S. De SilvaF. Brian DavyEditor
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Sena S. De Silva ●EditorsF.Brian
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ForewordWorld aquaculture has grown
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PrefaceWe are moving into a turbule
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Prefaceix• Provide a direction fo
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Contents1 Aquaculture Successes in
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Chapter 1Aquaculture Successes in A
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1 Aquaculture Successes in Asia: Co
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Chapter 2Recent Developments in Ric
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2 Recent Developments in Rice-Fish
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Chapter 3Shrimp Farmers in India: E
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3 Shrimp Farmers in India: Empoweri
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50 N.R. Umesh et al.GoalSUSTAINABLE
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Page 78 and 79: 66 N.R. Umesh et al.ReferencesFAO/N
Page 80 and 81: 68 H. Kongkeo and F.B. DavyPlate 4.
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154 B.O. Acosta and M.V. GuptaCente
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156 B.O. Acosta and M.V. GuptaPlate
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158 B.O. Acosta and M.V. GuptaThe I
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160 B.O. Acosta and M.V. Guptainto
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162 B.O. Acosta and M.V. Gupta8.6.2
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164 B.O. Acosta and M.V. GuptaIn Th
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166 B.O. Acosta and M.V. Guptafarme
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168 B.O. Acosta and M.V. GuptaBox 8
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170 B.O. Acosta and M.V. GuptaFitzs
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Chapter 9The Role of Exotics in Chi
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9 The Role of Exotics in Chinese In
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188 S.S. De Silva et al.part of an
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190 S.S. De Silva et al.Box 10.1 A
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192 S.S. De Silva et al.other appro
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194 S.S. De Silva et al.• Effecti
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196 S.S. De Silva et al.Table 10.1
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198 S.S. De Silva et al.• Institu
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ContributorsBelen O. Acosta , BSc F
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Contributors203become more relevant
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Contributors205research on physiolo
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IndexAAcosta, B., 155Agrarian Devel
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Indexalternate rice fish farming, 2
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IndexKKanna meeting, of FOs, 112Kul
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IndexSSchizothorax spp. (Asla), 91,
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Sena S. De SilvaF. Brian DavyEditor
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