Land use changes monitoring over a period of ten years in Panjang Island, Pangkalan Susu, Langkat, North Sumatra

Panjang Island is one of the islands in Pangkalan Susu Sub-district, Langkat Regency, North Sumatra Province. This study aimed to analyze Used land changes during ten years period in Panjang Island. Used land changes was analized spatially using Geographis Information System (GIS). The results showed that within an interval of ten years (2009-2019), there were changes in the area of Used land in Panjang Island. In 2009, the land cover on Panjang Island only consisted of mangroves and settlements. There are five types of landcover in 2009 on Panjang Island, namely: open land, mangrove, settlement, pond and shrub. Over a period of ten years, the mangrove area was reduced by 6.29 ha in Panjang Island, Pangkalan Susu Sub-district. Changes of mangrove land cover into open land was 0.44 ha, changes of mangrove into shrub was 3.51 ha and changes of mangrove into pond was 2.34 ha. During a period of ten years, the settlement in Panjang Island did not change.