长江上游陡坡耕地退耕还林的思考

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陡坡耕地的水土流失对生态环境和农业可持续发展构成双重压力 ,退耕还林势在必行。本文应用观测和统计数据对长江上游的陡坡耕地的分布与农业利用及生态环境问题进行分析 ,提出长江上游退耕还林实施中应注意的问题和遵循的原则 ,认为长江上游退耕还林应以可持续发展思想为指导 ,生态效益优先 ,兼顾经济与社会效益。退耕还林的实施初期主要应采用农林复合模式 ,并与农业产业结构的调整相结合
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