River Basin water source with the territory covered the land-use activities since everything down to the river downstream. And consists of natural resources and environment that combines together and become various ecosystemsThe ecosystem in each watershed may be fragile and susceptible to face the disaster. As a result of climate change of the world, such as the rain that season, violent storms and more frequently.And some time the occurrence of rain last longer than normal. Which such events impact both ecology and biodiversity. Food production, especially grains, the outbreak of diseases and insects, economic society.And so on.
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