การวิเคราะห์การเปลี่ยนแปลงพื้นที่ป่าไม้ด้วยเทคโนโลยีภูมิสารสนเทศ ในเขตเทศบาลตำบาลหนองเต็ง อำเภอกระสัง จังหวัดบุรีรัมย์

Abstract

The objectives of this research were to survey and classify the forest area and study the forest area change in Nongteng Subdistrict, Krasang District, Buriram Province during 2002–2014  by using aerial photography recorded in 2002 and satellite image detected in 2007 and 2014,  to classify the forest area by visual interpretation method, and to analyze the forest area change in 2002–2014 using geographic information system by overlay data method. It was found that In 2002, 2007 and 2014 there were 8.781, 8.586 and 7.985 square kilometers respectively, during 2002– 2007 forest area decreased 0.195 square kilometers or 2.21 percent and changed to paddy field increased 0.095 square kilometers. During 2007–2014 forest area decreased 0.601 square kilometers or 7 percent and changed to rubber plantation increased 0.274 square kilometers. It was also found that forest area increased 0.057 square kilometers in Bancharn community forest. Forest area tented to annually decrease at the average of 0.039 square kilometers in 2002–2007 and at the average of 0.086 square kilometers in 2007–2014. This showed that decreased rate of forest area was increased from destroyed as a consequence of clearing and farming. Most of the area were changed to paddy field and rubber plantation