矿粮复合区生态足迹演变研究

Evolvement of Ecological Footprint in Composite Zone of Mine and Grain

矿粮复合区涉及环境、矿业、农业、经济等多个学科的交叉、复合问题,环境和粮食安全问题尤为突出,目前缺少系统研究。本研究利用生态足迹的分析方法对矿粮复合区生态足迹的变化情况进行分析,为复合区生态重建提供重要理论依据。研究结果表明:焦作市为了调整产业结构,促进经济转型,加快工业发展和城市化进程,引起可耕地数量减少和建成地数量加大,总生态承载力略有起伏,但人均生态承载力呈下降态势;人均生态足迹正在逐年上涨,人均生态赤字逐年加大,在各类生态生产性土地中,只有可耕地满足当地的需要,其他各类土地都不同程度存在生态赤字。

The problems in composite zone of mine and grain involve environment, mine, agriculture, economy, etc, and the grain safety and environment are the most acute problems, those problems need to study systematic ally. The change of ecological footprint was studied to provide theoretical base for economical reconstruct in composite zone. The result indicated that cultivated land was decreasing and the constructed land was increasing in composite zone of Jiaozuo City due to industrial structure adjustment. The total ecological footprint had a little wave, however the ecological capacity of per capita was decreasing. The ecological footprint of per capita and ecological footprint deficit were increasing year after year. All eco -productive lands had deficit except cultivated land.