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Carbon storage in China's terrestrial ecosystems: A synthesis.


ABSTRACT: It is important to accurately estimate terrestrial ecosystem carbon (C) storage. However, the spatial patterns of C storage and the driving factors remain unclear, owing to lack of data. Here, we collected data from literature published between 2004 and 2014 on C storage in China's terrestrial ecosystems, to explore variation in C storage across different ecosystems and evaluate factors that influence them. We estimated that total C storage was 99.15?±?8.71 PgC, with 14.60?±?3.24 PgC in vegetation C (Veg-C) and 84.55?±?8.09 PgC in soil organic C (SOC) storage. Furthermore, C storage in forest, grassland, wetland, shrub, and cropland ecosystems (excluding vegetation) was 34.08?±?5.43, 25.69?±?4.71, 3.62?±?0.80, 7.42?±?1.92, and 15.17?±?2.20 PgC, respectively. In addition to soil nutrients and texture, climate was the main factor regulating the spatial patterns of C storage. Climate influenced the spatial patterns of Veg-C and SOC density via different approaches, Veg-C was mainly positively influenced by mean annual precipitation (MAP), whereas SOC was negatively dependent on mean annual temperature (MAT). This systematic estimate of C storage in China provides new insights about how climate constrains C sequestration, demonstrating the contrasting effects of MAP and MAT on Veg-C and SOC; thus, these parameters should be incorporated into future land management and C sequestration strategies.

SUBMITTER: Xu L 

PROVIDER: S-EPMC5809558 | biostudies-literature | 2018 Feb

REPOSITORIES: biostudies-literature

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Carbon storage in China's terrestrial ecosystems: A synthesis.

Xu Li L   Yu Guirui G   He Nianpeng N   Wang Qiufeng Q   Gao Yang Y   Wen Ding D   Li Shenggong S   Niu Shuli S   Ge Jianping J  

Scientific reports 20180212 1


It is important to accurately estimate terrestrial ecosystem carbon (C) storage. However, the spatial patterns of C storage and the driving factors remain unclear, owing to lack of data. Here, we collected data from literature published between 2004 and 2014 on C storage in China's terrestrial ecosystems, to explore variation in C storage across different ecosystems and evaluate factors that influence them. We estimated that total C storage was 99.15 ± 8.71 PgC, with 14.60 ± 3.24 PgC in vegetati  ...[more]

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