文献类型： 外文期刊

作者： Song, Yang ¹ ; Penuelas, Josep ³ ; Ciais, Philippe ⁵ ; Wang, Songhan ⁶ ; Zhang, Yao ⁷ ; Gentine, Pierre ⁹ ; McCabe, Matthew F. ¹⁰ ; Wang, Lixin ¹¹ ; Li, Xing ¹² ; Li, Fei ¹³ ; Wang, Xiaoping ¹⁴ ; Jin, Zhenong ¹⁵ ; Wu, Chaoyang ¹⁶ ; Jin, Xiuliang ¹ ;

作者机构： 1.Chinese Acad Agr Sci, Inst Crop Sci, Key Lab Crop Physiol & Ecol, Minist Agr, Beijing, Peoples R China

2.Chinese Acad Agr Sci, Natl Nanfan Res Inst Sanya, Sanya, Peoples R China

3.CREAF CSIC UAB, Global Ecol Unit, CSIC, Barcelona, Spain

4.CREAF, Cerdanyola Del Valles, Barcelona, Spain

5.Univ Paris Saclay, Lab Sci Climat & Environm, LSCE, IPSL,CEA CNRS UVSQ, Gif Sur Yvette, France

6.Nanjing Agr Univ, Coll Agr, Nanjing, Peoples R China

7.Peking Univ, Sino French Inst Earth Syst Sci, Coll Urban & Environm Sci, Beijing, Peoples R China

8.Peking Univ, Inst Carbon Neutral, Beijing, Peoples R China

9.Columbia Univ, Dept Earth & Environm Engn, New York, NY USA

10.King Abdullah Univ Sci & Technol, Div Biol & Environm Sci & Engn, Hydrol Agr & Land Observat Lab, Thuwal, Saudi Arabia

11.Indiana Univ Indianapolis, Dept Earth & Environm Sci, Indianapolis, IN USA

12.Seoul Natl Univ, Res Inst Agr & Life Sci, Seoul, South Korea

13.Chinese Acad Agr Sci, Grassland Res Inst, Hohhot, Peoples R China

14.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling, Peoples R China

15.Univ Minnesota, Dept Bioprod & Biosyst Engn, St Paul, MN USA

16.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing, Peoples R China

关键词： water availability; vegetation growth; climate change; carbon dioxide fertilization effect; greening trend; drought

期刊名称：EARTHS FUTURE （ 影响因子：7.3； 五年影响因子：8.7 ）

ISSN：

年卷期： 2024 年 12 卷 6 期

页码：

收录情况： SCI

摘要： China's vegetation growth has shown a broad increase under climate change and human activities over the past few decades. At the same time, changes in vegetation water demand, terrestrial water availability, and climatic factors are expected to lead to increasing water constraints on vegetation growth. However, whether water constraints have influenced climate change-driven vegetation greening trends remains unclear. In this study, we provide a comprehensive assessment of recent water constraints and their implications for vegetation growth in China between 1982 and 2015. To do this, we analyze the spatiotemporal patterns of the relationship between vegetation growth and water availability to reveal recent water constraints hidden within China's vegetation greening. Further analysis shows that climate and atmospheric CO2 have exerted varying levels of importance in regulating vegetation growth across different water constraints. With increasing water constraints, more regions become climate-dominated and fewer become CO2-dominated. Overall, our findings highlight that water constraints can mediate the dominance of climate and atmospheric CO2 on vegetation growth. This will help decision-makers recognize the uncertainty of sustainable vegetation greening trends.