TAILIEUCHUNG - Water Management in the Mekong Delta- Changes, Conflicts and Opportunities

The Mekong River is one of the few great, largely unregulated rivers of the world. Its Delta is both agriculturally and aquatically highly productive and a major contributor to the region’s food production and export earnings. Water and land issues of the Delta must be considered as integral with those of the Mekong Basin as a whole. A majority of the Mekong Basin’s 60 million, ethnically diverse peoples rely on the River’s aquatic resources and rice production for their subsistence. For many, 40 to 60% of their protein intake is from fish from the Mekong. The prodigious fish resources rely on the annual fllooding of the. | INTERNATIONAL HYDROLOGICAL PROGRAMME Water Management in the Mekong Delta Changes Conflicts and Opportunities by Ian White Centre for Resource and Environmental Studies National Institute for the Environment Institute of Advance Studies The Australian National University Canberra ACT 0200 Australia IHP-VI I Technical Documents in Hydrology No. 61 UNESCO Paris 2002 The designations employed and the presentation of material throughout the publication do not imply the expression of any opinion whatsoever on the part of UNESCO concerning the legal status of any country territory city or of its authorities or concerning the delimitation of its frontiers or boundaries. SC-2002 WS 47 CONTENTS Terms of 1. The River of This Study Geography of the Mekong River The Lower Lower Basin Fisheries Resources of the Wild capture Future demands and threats to wild capture Constraints to Social Cultural and Economic Features of the Institutional Arrangements for Mekong Basin Resource The Mekong River Basin Development and 2. The Mekong The Delta at Vietnam s Lower Cambodia s Upper Hydrology and Climate of the Floods and seawater Tidal Seawater intrusion Surface Water Groundwater in the Soils of the Acid Sulfate Oxidation of acid sulfate Release of toxic Discharge of acidity into surface Impacts of acidity on estuarine Links between soils hydrology and atmospheric Saline Water and Land .

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