Study Amendment of Post-Field Classification of Illegal Gold in Kolaka Regency, Southeast Sulawesi Province

¹ Magister Program of Environmental Science, School of Postgraduate Studies, Diponegoro University, Semarang - Indonesia
² Department of Environmental Engineering, Faculty of Engineering, Diponegoro University, Semarang - Indonesia

^* Corresponding author: alfanekasuardana@gmail.com

Abstract

Illegal mining activities in the kolaka regency of Southeast Sulawesi province is one of the mines whose location is in the conservation area of nature tourism park. Mining by means of dredging with an average depth of up to 15 meters and indiscriminate stockpiling after mining, using mercury chemicals (hg) so make the land damaged and unproductive, changes in the landscape and damage the physical properties of the soil that makes the soil pH becomes sour, so as to make soil quality low, dust texture increased and soil compaction that makes soil chemistry decreased, so can not support the growth of plants around the mine, the occurrence of heavy erosion and loss of top soil. the mining area reaches 50 hectares which damages the soil quality and removes vegetation around the area.