The Impact of Land-Use Conversion on Food Security Limits (A Case Study in Ngawi Regency, Indonesia)
The land-use conversion from agricultural to non-agricultural by population growth is possible to cause food security limits.The research aims to analyze the effect of population density on the conversion of land use and also to calculate the limit of food self-sufficiency in Ngawi Regency. The research used correlation analysis by the survey on data in 2003 and 2013 with Landsat satellite imagery. Factors were analyzed by simple regression; whereas population growth and land-use conversion were used to analyze food security by exponential equations. The results show that food security limits will happen in41,480.80 ha and 205.24 years from now.