The application of GIS to analyze the risk area of Khao Lak National Park-bukrukboriwen.Phang-Nga Lam ru The objective is to: (1) study of land utilization changes. Near Khao Lak-Lam ru national between 2547 (2004)-2553 (2010) 2553 (2010)-2559 (2016) and (2) analysis of areas at risk of forest space invasion by using physical factors include elevation from sea level. Slope areas, transportation routes, distance, distance from main routes, distance, position and distance from the village lands, making the classification of land use, and 2559 2547 (2004) 2553 into five types: agricultural areas, urban areas and buildings. Forest area. Miscellaneous areas water Haliaeetus approach areas and governance model (Supervise Classification), and a study of the changes of land utilization 2 moments include 2547 (2004)-2553 (2010) 2553 (2010)-2559 (2016) and then analyze the areas vulnerable to invasion by finding a relationship between physical factors to forest areas that have changed. A study of land utilization changes between 2547 (2004)-2553 (2010)-2559 (2016) 2553 (2010) and between the forestry areas in the area are found to decrease 43 and 67.69 square kilometers. With the average rate of change of 8.6 and change to 13.54 per year by most agricultural area is 39.83 and 52.75 km². Urban areas and is building and 13.15 square kilometers respectively, 18.08. The study area, the risk of intrusion, the forest area, found that the risk area very high invasion. There is coverage, 183.22 square kilometers. 30.45 percent of the total area, are scattered along the Western side bumpers, and South of the study area and is near the village. The results from this study can help in planning. Monitoring and surveillance Forest areas that are vulnerable to intruders. And can be applied to other protected areas of the country.
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