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在中国森林中植被碳吸收的最大潜力

Bo Peng¹, Zhiyong Zhou², Weixiang Cai²

¹School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China; Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.

The Science of the total environment

|September 25, 2023

概括

森林吸收二氧化碳,有助于缓解全球变暖. 中国中国中国中国.

科学领域:

森林生态森林生态学
气候变化缓解减缓气候变化缓解减缓
碳封存是一种碳封存方式.

背景情况:

森林在大气二氧化碳 (CO2) 捕获和全球变暖中介方面发挥着至关重要的作用.
了解中国各省森林植被的碳 (C) 沉降潜力,对于制定C中性战略至关重要.

研究的目的:

为了确定中国森林植被中最大碳 (C) 储存 (BCmax) 的空间变化.
为了计算中国森林植被的C沉积潜力 (ΔCpot).
分析 ΔCpot 与区域经济发展之间的关系.

主要方法:

收集关于森林植被生物质/储存的公共数据 (2003-2022年).
使用经典的后勤方程和非线性拟合来估计BCmax.
使用BCmax和2010年代的密集现场数据计算了ΔCpot.
为 ΔCpot.生成 1 公里 × 1 公里空间形数据.

主要成果:

据估计,中国森林植被的BCmax大约为19.03倍克 (Pg).
在中国西南部和东北部,BCmax显著更高.
该 ΔCpot 估计为 8.83 Pg.
人均 ΔCpot 在经济较不发达的地区 (西南,中部,中国南部) 比较发达的地区高5-10倍.
在所有省份的 ΔCpot 和国内生产总值 (GDP) 之间观察到负相关性.

结论:

中国的森林植被具有显著的C沉降潜力,估计为8.83 Pg.
财政和政治支持的区域差异影响了实现碳中和目标的大量 ΔCpot.
调查结果强调了自然森林恢复对于增强碳捕获的重要性.

关键词:

碳中和是碳中和的一种方式.碳潜在的可能碳潜在的可能碳交易是指碳交易.森林森林森林森林这是不平衡的失衡.

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