Shallow groundwater inhibits soil respiration and favors carbon uptake in a wet alpine meadow ecosystem

Shaobo Sun,Tao Che,Pierre Gentine,Qiting Chen,Lichun Wang,Zhifeng Yan,Baozhang Chen,Zhaoliang Song

Agricultural and Forest Meteorology（2021）

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摘要

•Wet alpine meadow ecosystems (WAME) act as a significant carbon sink.•Ecosystem respiration was significantly decreased when soil was nearly-saturated.•Shallow groundwater inhibits soil respiration and favors carbon uptake of WAME.•Warming affects carbon dynamics of WAME through changing soil hydrology.

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关键词

alpine meadow,water table level,frozen soil,carbon exchange,soil respiration,Tibetan Plateau

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