Integrated Approach for Land use Change Analysis As An Effort to Climate Change Mitigation in Medan North Sumatera Province
MetadataShow full item record
Changes in land uses is among the important issues in North Sumatra, especially in the city of Medan. To support climate change mitigation, this study aimed to analyze changes in land use during the period 2000 to 2011 and to identify main factors affecting the changes of land uses in Medan city. This study was conducted from March to August 2013. The Geographic information system (GIS) with overlay technique was used to analyze land use changes. The analytical hierarchy process (AHP) with questioner and interview was used to determine the cause of changes and the factors driving the changes in land use. Field observations were also undertaken to assess the biophysical conditions due to changes in land use. The results showed that for eleven years, the greatest extensive changes in land use were in the form of dry land farming mixed shrubs become dry land agriculture, followed by changes in rice fields becomes settlement. Other land use changes that affect widely were changes of shrubs into oil palm plantations and fish pond. Economic factors were the main cause of changes, followed by social factors and ecological factors. Economic criteria selected by respondents showed as the most important priority for activities in Medan City, that cannot be separated from economic activities that has strong alignment with spatial development. Changes on land uses basically is influenced by economic or financial considerations of agricultural land that has been converted into non-agricultural use, either for residential, offices, and other facilities. In order to mitigate climate change in Medan City, role of all stakeholders, especially local governments should be improved in order to minimize in land uses.