西南山区高陡弃渣边坡生态修复模式研究——以石棉县板厂沟为例

Ecological Restoration Model for High and Steep Waste Slopes in Mountainous Areas of Southwest China:A Case Study of Banchanggou in Shimian County

资源丰富的西南山区因高强度的矿山开采形成了大量高陡弃渣边坡,这些高陡弃渣边坡对区域生态安全格局造成严重影响。以四川省雅安市石棉县板厂沟高陡弃渣边坡为例,在板厂沟弃渣边坡区生态问题识别的基础上,结合地质学、生态学和环境工程技术,探索了一套典型的生态修复模式。采用该典型修复模式治理后,板厂沟的生态环境得到显著改善:地质安全隐患得到了有效治理,水土流失得到了控制,植被立地条件得以重建,生态系统廊道重新连通,从而实现了生态系统的正向演替和良性循环。

The resource-rich southwestern mountainous areas have seen extensive mining,resulting in numerous high and steep waste slopes.These slopes severely impact the regional ecological security pattern.Taking the high and steep waste slopes of Banchanggou in Shimian County,Ya'an City,Sichuan Province as an example,based on the identification of ecological problems in the high and steep waste slope area of Banchanggou,and combined with geological,ecological,and environmental engineering technologies,a typical ecological restoration model was explored.After adopting this typical restoration model,the ecological environment of Banchanggou was significantly improved:geological safety hazards were effectively controlled,soil erosion was controlled,vegetation site conditions were rebuilt,and the ecosystem corridor was reconnected,thus achieving positive succession and virtuous cycle of the ecosystem.