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231225s2022 xx |||||o 00| ||eng c |
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7 |
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|a 10.1111/gcb.16043
|2 doi
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|a pubmed25n1114.xml
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|a (DE-627)NLM334546168
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|a (NLM)34918427
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Dang, Chaoya
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Assessment of the importance of increasing temperature and decreasing soil moisture on global ecosystem productivity using solar-induced chlorophyll fluorescence
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 24.02.2022
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|a Date Revised 24.02.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2021 John Wiley & Sons Ltd.
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|a The accurate assessment of the global gross primary productivity (GPP) of vegetation is the key to estimating the global carbon cycle. Temperature (Ts) and soil moisture (SM) are essential for vegetation growth. It is acknowledged that the global Ts has shown an increasing trend, yet SM has shown a decreasing trend. However, the importance of SM and Ts changes on the productivity of global ecosystems remains unclear, as SM and Ts are strongly coupled through soil-atmosphere interactions. Using solar-induced chlorophyll fluorescence (SIF) as a proxy for GPP and by decoupling SM and Ts changes, our investigation shows Ts plays a more important role in SIF in 60% of the vegetation areas. Overall, increased Ts promotes SIF by mitigating the resistance from SM's reduction. However, the importance of SM and Ts varies, given different vegetation types. The results show that in the humid zone, the variation of Ts plays a more important role in SIF, but in the arid and semi-arid zones, the variation of SM plays a more important role; in the semi-humid zone, the disparity in the importance of SM and Ts is difficult to unravel. In addition, our results suggest that SIF is very sensitive to aridity gradients in arid and semi-arid ecosystems. By decoupling the intertwined SM-Ts impact on SIF, our study provides essential evidence that benefits future investigation on the factors the influence ecosystem productivity at regional or global scales
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|a Journal Article
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|a decoupling
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| 650 |
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|a ecosystem productivity
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| 650 |
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|a remote sensing
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| 650 |
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4 |
|a soil moisture
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| 650 |
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4 |
|a solar-induced chlorophyll fluorescence
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| 650 |
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4 |
|a temperature
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| 650 |
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7 |
|a Soil
|2 NLM
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| 650 |
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7 |
|a Chlorophyll
|2 NLM
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| 650 |
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7 |
|a 1406-65-1
|2 NLM
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| 700 |
1 |
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|a Shao, Zhenfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Xiao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qian, Jiaxin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cheng, Gui
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ding, Qing
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Yewen
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Global change biology
|d 1999
|g 28(2022), 6 vom: 24. März, Seite 2066-2080
|w (DE-627)NLM098239996
|x 1365-2486
|7 nnas
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| 773 |
1 |
8 |
|g volume:28
|g year:2022
|g number:6
|g day:24
|g month:03
|g pages:2066-2080
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|u http://dx.doi.org/10.1111/gcb.16043
|3 Volltext
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