The changes of the Mekong are clear when China dam electricity and catchment. The up-down of natural water is not normal because the dam catchment and water emissions in China. Affect the ecological system in flooded areas of the Mekong. Flood-drought machine wat ever according to nature has changed. A complex number fish species as a result of the changes of the ecological system. The up-down of water removal, of course, took a lie doesn't make any confusion the fish. Migration and breeding season does not comply. The number of fish species, gradually reducing the number of nights. To both sides of the Mekong River bank erosion, including change of land utilization pattern along the Mekong River have made agricultural areas. The banks of the Mekong River drops Best water level fluctuations does not lie is caused by water catchment and the release of the dam in China that make the soil in the River, farmers were able to produce plays in during low tide. This is not possible, because the water level fluctuations. Make vegetables grown in soil water are vulnerable to sudden flooding created. Havoc agricultural productivity of farmers. To do so, in the River dropped as well. Affect food resources in the lower Mekong River
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