Land-use suitability evaluation of abandoned mines in Nan'an City, Fujian Province

Based on field investigation of abandoned mines and surrounding environment, the outcomes of both "Resource and environment carrying capacity" and suitability evaluation of land and space development (referred to as "dual evaluation"), the lands of abandoned mines were classified in line with the types of land occupation in Nan'an City of Fujian Province. The destroyed land was identified as the short-board factor according to "barrel principle", and the occupied lands were returned to farming, forestry, horticulture and construction industry according to different appropriate surrounding environment, so that the suitability direction of abandoned mine land for agricultural development or urban construction in Nan'an City was evaluated separately. The evaluation results of Nan'an City show that there are 513 abandoned mines can be used for urban construction, with a total area of 14.95 km²; 451 sites can be used for agricultural development, with a total area of 15.17 km², which can be put into use in later stage according to government planning.