造林增汇是实现碳中和的有效途径吗?2——以西北地区为例
Is afforestation for carbon sinks an effective way to achieve carbon neutrality?——The Case of Northwest China
造林增汇是减缓气候变化的重要方式,但其碳中和效果背后的成本有效性不可忽视,这对西北干旱半干旱地区尤为重要,亟需评价西北地区造林增汇的成本有效性。该研究构建了地理-经济-生态三维整合分析框架,基于地理信息系统的方法,采用环境因子叠加模型和土地利用动态优化模型,从自然可行性和经济可行性两个角度识别了西北地区边际可造林区域,采用 Richards 生长方程预测了造林碳汇潜力,以此为基础拟合了碳汇供给曲线,并对西北地区造林增汇的成本有效性进行了评价。①西…查看全部>>
Afforestation is considered to be a promising way to mitigate climate change.However,its cost-effectiveness should be carefully evaluated,especially for regions with fragile environment and vulnerable ecosystem.This study develops a geographic-economic-ecological integration framework to evaluate the cost-effectiveness of afforestation for carbon sequestration in Northwest China.Based on the overlay model of natural factors and the economic optimization mode…查看全部>>
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