From the land utilization information in the year that result from the translation of the 2557 satellite imagery analysis in conjunction with the data quality level basin (Watershed classification: WSC) with the overlay techniques (Overlay Analysis) in order to evaluate the consistency of land utilization based on the performance of the water quality. Sub-basin area, Wang found gold in the area, the quality class 1A watershed area size 211.38 km2 of which land utilization in the floor area of such quality 1A watershed are required to maintain the area as a resource and pay of the country's forests. There are land use measures.
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