Study on the degree of critical land as a result of land unit elimination: The case study of Danau Mas Hitam Mining Area, Bengkulu Province

Abstract

Sulistyo B. 2015. Study on the degree of critical land as a result of land unit elimination: The case study of Danau Mas Hitam Mining Area, Bengkulu Province. Pros Sem Nas Masy Biodiv Indon 1: 828-833. The aim of this research was to determine the effect of land unit elimination on the degree of critical land in Danau Mas Hitam Mining Area in Bengkulu Province. Land unit elimination is one step in arranging field planning for soil rehabilitation usually conducted by Balai Pengelola Daerah Aliran Sungai. The method applied was by doing a digital analysis using GIS program to calculate erosion of the catchment area using Universal Soil Loss Equation formula. A comparison analysis was done between the result of erosion before and after land unit elimination. Their degree of critical land was also evaluated. Land unit elimination is a process to eliminate a land unit that has area ​