Analisis Perubahan Luas Penutupan Lahan dengan Aplikasi Sistem Informasi Geografis di Hutan Suaka Margasatwa Dolok Surungan
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Forest degradation is one of problem in Dolok Surungan wildlife reserve. The identification of land use is very important in rehabilitation activity in this area. This study aimed to know the changing of land use in Dolok Surungan wildlife reserve. This research also represented the roles of Geographic Information System (GIS) in evaluating the form of area changes. This analysis was done to know the degradation by using Landsat ETM in 2003 and 2009. ArcView GIS software with screen digitation method were used for data processing. The result of this research showed that during 2003 to 2009 the increasing of forest degradation had happened rapidly. The changing of land use showed that primery forest reduced by 2,220.30 ha, secundery forest increased by 1,458.95 ha, rubber plantation increased by 614.81 ha, oilpalm plantation increased by 241.50 ha and open area reduced by 94.97 ha.