Soil drying weakens the positive effect of climate factors on global gross primary production

Global warming and the fertilization effect of carbon dioxide (CO2) have led to a general increase in gross primary production (GPP). Although soil drying (SD) may limit this increase, its limiting effect has not been confirmed and quantified. Hence, we evaluated the impact of SD and climate factors...

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Autores principales:	Huan Chen, Xiaoyong Bai, Yangbing Li, Qin Li, Luhua Wu, Fei Chen, Chaojun Li, Yuanhong Deng, Huipeng Xi, Chen Ran, Xuling Luo, Min Liu
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	GPP Soil drying Climate factors Relative contribution Global change Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/100306060c7c4860814e971a47800043
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spelling	oai:doaj.org-article:100306060c7c4860814e971a478000432021-12-01T04:56:45ZSoil drying weakens the positive effect of climate factors on global gross primary production1470-160X10.1016/j.ecolind.2021.107953https://doaj.org/article/100306060c7c4860814e971a478000432021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X2100618Xhttps://doaj.org/toc/1470-160XGlobal warming and the fertilization effect of carbon dioxide (CO2) have led to a general increase in gross primary production (GPP). Although soil drying (SD) may limit this increase, its limiting effect has not been confirmed and quantified. Hence, we evaluated the impact of SD and climate factors on GPP. From 1997 to 2017, GPP showed a slight downward trend but began to rise after 2011. In SD zones, 19% of the GPP change was attributed to SD, and CO2 concentration in climate factors was the climate factor that contributed the most (24%) and accounted for the main control area (9%). Surprisingly, the negative contribution of SD to GPP offset 35% of the positive contribution area of the climate factors. In addition, SD and climate factors explained 1% and 23% of the GPP increase, respectively, but in areas where GPP decreased, the SD area exceeded that of climate factors by 1.2 times, further highlighting the importance of SD in the GPP drive mechanism. Compared with previous studies, we further quantified the contribution of SD and climate factors to GPP, which improved our understanding of the global pattern of total carbon absorption and its response to SD and climate factors.Huan ChenXiaoyong BaiYangbing LiQin LiLuhua WuFei ChenChaojun LiYuanhong DengHuipeng XiChen RanXuling LuoMin LiuElsevierarticleGPPSoil dryingClimate factorsRelative contributionGlobal changeEcologyQH540-549.5ENEcological Indicators, Vol 129, Iss , Pp 107953- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	GPP Soil drying Climate factors Relative contribution Global change Ecology QH540-549.5
spellingShingle	GPP Soil drying Climate factors Relative contribution Global change Ecology QH540-549.5 Huan Chen Xiaoyong Bai Yangbing Li Qin Li Luhua Wu Fei Chen Chaojun Li Yuanhong Deng Huipeng Xi Chen Ran Xuling Luo Min Liu Soil drying weakens the positive effect of climate factors on global gross primary production
description	Global warming and the fertilization effect of carbon dioxide (CO2) have led to a general increase in gross primary production (GPP). Although soil drying (SD) may limit this increase, its limiting effect has not been confirmed and quantified. Hence, we evaluated the impact of SD and climate factors on GPP. From 1997 to 2017, GPP showed a slight downward trend but began to rise after 2011. In SD zones, 19% of the GPP change was attributed to SD, and CO2 concentration in climate factors was the climate factor that contributed the most (24%) and accounted for the main control area (9%). Surprisingly, the negative contribution of SD to GPP offset 35% of the positive contribution area of the climate factors. In addition, SD and climate factors explained 1% and 23% of the GPP increase, respectively, but in areas where GPP decreased, the SD area exceeded that of climate factors by 1.2 times, further highlighting the importance of SD in the GPP drive mechanism. Compared with previous studies, we further quantified the contribution of SD and climate factors to GPP, which improved our understanding of the global pattern of total carbon absorption and its response to SD and climate factors.
format	article
author	Huan Chen Xiaoyong Bai Yangbing Li Qin Li Luhua Wu Fei Chen Chaojun Li Yuanhong Deng Huipeng Xi Chen Ran Xuling Luo Min Liu
author_facet	Huan Chen Xiaoyong Bai Yangbing Li Qin Li Luhua Wu Fei Chen Chaojun Li Yuanhong Deng Huipeng Xi Chen Ran Xuling Luo Min Liu
author_sort	Huan Chen
title	Soil drying weakens the positive effect of climate factors on global gross primary production
title_short	Soil drying weakens the positive effect of climate factors on global gross primary production
title_full	Soil drying weakens the positive effect of climate factors on global gross primary production
title_fullStr	Soil drying weakens the positive effect of climate factors on global gross primary production
title_full_unstemmed	Soil drying weakens the positive effect of climate factors on global gross primary production
title_sort	soil drying weakens the positive effect of climate factors on global gross primary production
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/100306060c7c4860814e971a47800043
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Soil drying weakens the positive effect of climate factors on global gross primary production

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