Abstract:
The aim of this study is intended to monitor spatially the changes of mangrove conservation area on the East Coast of Surabaya by using the technology of geographic information systems (GIS). The method used is a GIS analysis methods, such as: overlay. The results showed that the condition of mangrove conservation area changed due to accretion and aberration. The changes in the extent of accretion and erosion impact on the changes in the management boundary of the conservation area. In addition, changes occur in the number of farm plots that exist in the conservation area. From the satellite image, the observed number of farms plots in 2002, 2007 and 2014 respectively as 1743, 1707 and 1746 plots.
