基于卫星数据的中国陆地植被固碳能力

Jiandong Chen, Ping Wang, M. Gao, W. Hou, Hai-yu Liao
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引用次数: 4

摘要

摘要实现碳中和取决于碳减排和碳固存。然而,我国对植物固碳的研究尚处于初步阶段。在这项研究中,我们利用卫星数据计算了2001-2009年中国陆地植被和不同植被类型的总固碳量。植物总固碳量缓慢增加,但增幅明显低于同期的碳排放量。碳汇能力最强的省份主要分布在南方,而碳汇能力最低的省份主要在黑腾冲线以西。木本草原碳汇量最大,草原生长最快。由于固碳能力因植被类型和区域而异,我们建议采取整体的区域方法,优化当地植被生长环境,改善生态补偿保护机制(尤其是在城市地区),并开发其他固碳途径。
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Carbon sequestration capacity of terrestrial vegetation in China based on satellite data
ABSTRACT Achieving carbon neutrality depends on carbon emission reduction and sequestration. However, research on vegetative carbon sequestration in China remains preliminary. In this study, we calculated the total carbon sequestration of terrestrial vegetation and that of different vegetation types in China from 2001–2019 using satellite data. Total vegetative carbon sequestration slowly increased but its increase was significantly lower than that of carbon emissions over the same period. Provinces with the strongest carbon sequestration capacity were mainly distributed in the south, whereas those with the lowest capacity were mainly in the west of Heihe-Tengchong Line. Woody grassland achieved the largest amount of carbon sequestration and grassland experienced the fastest growth. As sequestration ability varies by vegetation type and region, we suggest adopting a holistic regional approach that optimizes local vegetation growth environments, improves ecological compensation protection mechanisms (especially in urban areas) and develops other carbon sequestration pathways.
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来源期刊
CiteScore
4.50
自引率
5.00%
发文量
22
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