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以生态经济学的视角,采用市场价值法、机会成本法、影子工程法、恢复费用法等对甘肃省“长治”工程实施后的效益价值进行了估算,并以货币的价值形式测评。测评结果表明:项目区年土壤保持的总价值为99 794.35万元,涵养水源总价值为22 554万元,碳贮量总价值是905 058万元,项目实施的经济效益明显,投入产出的比较效益显著。
From the perspective of ecological economics, the value of the benefit after the implementation of “Changzhi” project in Gansu Province was estimated by market value method, opportunity cost method, shadow engineering method and recovery cost method, and the value of money was evaluated. The evaluation results show that the total value of annual soil conservation in the project area is 99,794.35 ten thousand yuan, the total water conservation value is 225.44 million yuan and the total carbon storage value is 9.05 million yuan. The economic benefits of the project are obvious and the input-output More significant benefit.