Spring photosynthetic phenology of Chinese vegetation in response to climate change and its impact on net primary productivity

Yingying Xue,Xiaoyong Bai,Cuiwei Zhao,Qiu Tan,Yangbing Li,Guangjie Luo,Luhua Wu,Fei Chen,Chaojun Li,Chen Ran,Sirui Zhang,Min Liu,Suhua Gong,Lian Xiong,Fengjiao Song,Chaochao Du,Biqin Xiao,Zilin Li, Mingkang Long

Agricultural and Forest Meteorology（2023）

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摘要

•Average start of the photosynthetic period in China was on the 123rd day of the year.•The average start of the photosynthetic period advances at a rate of 4.3 d (10 a)−1.•64% of the region is temperature controlled, others are precipitation controlled.•Importance of temperature and precipitation determined by pre-season precipitation.•Climate change increases NPP by advancing the start of the photosynthetic period.

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关键词

Photosynthesis,Phenology,Climate change,Net primary productivity,Solar-induced chlorophyll fluorescence,China

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