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2559 September 3 [Online] that "the reasons which make the spaces considered are common degradation is caused by the actions of human beings and nature 1. action man is causing major headwater areas a lot in every region of the country, Thailand. Deterioration has occurred include: 1.1 the felled forest to pave land used in agriculture, such as shifting farming and cultivation, permanently. 1.2 forest fires with different causes, such as forest fires in order to make reclamation of agricultural land, or because the people of the forest. Made of wood and forests. When the fire to cook food, or to chase the beast, then neither care for fire, then the fire. 1.3 construction buildings in areas upstream, such as buildings. The village and etc without control water runoff down the ditch, or from any part of the building is good enough. The flowing water erosion side area 1.4 land use is not appropriate based on the performance of the land such as agriculture area on the slope in a Headwater area by bringing villagers burnt forest or use these styles in action, inevitably causing soil erosion and destruction of soil areas in the upstream area. . 2. the possibility of a natural complement of human action. Make the Headwater area deteriorated even more include: 2.1 torrent and flowing water on the surface of the soil with doses higher than normal. 2.2 wind or storms borne soil erosion or movement, especially for the local area is loose and sandy soils that do not have adequate plant cover. 2.3 the ground based on the grounds that there is a slope or Hill collapsed into the man below because it is not loose or sandy soil, and is an area where there is ground water flow out until the soil is lack of stability.Plants are at the same level as the method of soil and water conservation.How the conservation of Headwater Headwater conservation meant to use to maintain and improve the natural resource restoration in the area include Headwater forest soil and water with appropriate methods, the loss of natural resources but less then benefit also worth including to protect and preserve natural resources, some of which were destroyed, as well as quality or better, too. If it finds any areas of headwater areas. There is deterioration occurs it must promptly update and revitalize degraded areas to restore as quickly as possible. "
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