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通过造林和再造林,增加森林碳汇量是目前公认最经济有效地解决CO2浓度上升的方法之一,人工林的碳汇作用也被认为是减缓全球气候变化的一种可能机制和最有希望的选择。根据国内外植树减排的计算规则,结合干旱区自然环境特征,提出了干旱区规模化植树CO2减排效果的计算方法,对植树减排计算因子的获取方法进行了探讨,指出应从政策、技术、市场等各个方面加强对林业碳汇的系统研究,明确和量化我国干旱区人工林造林再造林对全球气候变暖所作出的贡献。研究可为干旱区林业碳汇项目开发和管理提供方法上的参考依据。
Increasing forest carbon sequestration through afforestation and reforestation is one of the most accepted and cost-effective ways to address the rising CO2 concentration. The role of plantation carbon sequestration is considered as a possible mechanism and the most promising of mitigation of global climate change s Choice. According to the calculation rules of plantation emission reduction at home and abroad, combined with the characteristics of natural environment in arid area, a calculation method of CO2 emission reduction effect on large-scale tree planting in arid area was proposed and the calculation method of plant emission reduction calculation factor was discussed. , Markets and other aspects to strengthen the systematic study of forestry carbon sequestration, clear and quantified China’s arable land afforestation and reforestation contribute to global warming. The research may provide a methodological basis for the development and management of forestry carbon sequestration projects in arid areas.