Patterns and controls of vegetation productivity and precipitation-use efficiency across Eurasian grasslands
文献类型：期刊论文
| 作者 | Zhang, Tianyou1,2; Yu, Guirui1,2; Chen, Zhi1,2; Hu, Zhongmin3; Jiao, Cuicui4; Yang, Meng1; Fu, Zheng5; Zhang, Weikang1,2; Han, Lang1,2; Fan, Manman6 |
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2020-11-01 |
| 卷号 | 741页码:9 |
| 关键词 | Aboveground net primary production Precipitation-use ef ficiency Climate change Spatial pattern Eurasian grasslands |
| ISSN号 | 0048-9697 |
| DOI | 10.1016/j.scitotenv.2020.140204 |
| 通讯作者 | Yu, Guirui(yugr@igsnrr.ac.cn) |
| 英文摘要 | Elucidating aboveground net primary production (ANPP) and precipitation-use efficiency (PUE) spatial variations and mechanisms are essential for predicting how ecosystem functioning will respond to future climate change. However, a comprehensive recognition of spatial patterns of ANPP and PUE across continental scale is still lacking. Here, we integrated long-term GIMMS NDVI remote sensing, field survey ANPP and meteorological datasets to reveal the spatial variations and controls of ANPP and PUE across Eurasian grasslands for the first time. The results showed that the mean value of ANPP and PUE of Eurasian grasslands were 40.20 +/- 0.40 g C m(-2) yr(-1) and 0.15 +/- 0.01 g C m(-2) mm(-1), respectively. At the continental scale, the ANPP and PUE showed unimodal patterns along mean annual precipitation (MAP) and hydrothermal index (HT) gradients, while a piecewise linear pattern along mean annual temperature (MAT) gradients. The MAP exerted positive effect on the ANPP in desert and temperate grasslands, while negative effect on the ANPP in alpine grasslands. Conversely, the MAT negatively affected the ANPP in desert and temperate grasslands, while positively affected the ANPP in alpine grasslands. The results indicated that the hydrothermal conditions coupled with the transition of vegetation types and its different responses combinedly shaped the spatial patterns of ANPP and PUE in Eurasian grasslands. This study advanced our knowledge of the spatial variations of ANPP and PUE at continental scale, providing theoretical information for predicting productivity and water use changes of arid and semi-arid grasslands under climate change in the future. (c) 2020 Elsevier B.V. All rights reserved. |
| WOS关键词 | RAIN-USE EFFICIENCY ; NET PRIMARY PRODUCTIVITY ; SEMIARID ECOSYSTEMS ; TEMPORAL PATTERNS ; WATER-USE ; CLIMATE ; TEMPERATURE ; VARIABILITY ; DYNAMICS ; GRADIENT |
| 资助项目 | National Key Research and Development Program of China[2016YFA0600104] ; National Key Research and Development Program of China[2017YFA0604803] ; National Key Research and Development Program of China[2016YFC0500205] ; International Partnership Programof Chinese Academy of Sciences[121311KYSB20170004] ; National Natural Science Foundation of China[41991234] ; National Natural Science Foundation of China[31988102] ; National Natural Science Foundation of China[31800406] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000568813100017 |
| 出版者 | ELSEVIER |
| 资助机构 | National Key Research and Development Program of China ; International Partnership Programof Chinese Academy of Sciences ; National Natural Science Foundation of China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/156897]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Yu, Guirui |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Ecosyst Network Observat & Modeling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China 3.South China Normal Univ, Sch Geog, Shipai Campus, Guangzhou 510631, Peoples R China 4.Sichuan Univ Sci & Engn, Coll Econ, Yibin 644000, Peoples R China 5.Lab Sci Climat & Environm, Gif Sur Yvette, France 6.Nanjing Univ, Sch Geog & Ocean Sci, Nanjing 210023, Peoples R China 7.Hokkaido Univ, Field Sci Ctr Northern Biosphere, Sapporo, Hokkaido 0600003, Japan 8.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Tianyou,Yu, Guirui,Chen, Zhi,et al. Patterns and controls of vegetation productivity and precipitation-use efficiency across Eurasian grasslands[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,741:9. |
| APA | Zhang, Tianyou.,Yu, Guirui.,Chen, Zhi.,Hu, Zhongmin.,Jiao, Cuicui.,...&Li, Wenhua.(2020).Patterns and controls of vegetation productivity and precipitation-use efficiency across Eurasian grasslands.SCIENCE OF THE TOTAL ENVIRONMENT,741,9. |
| MLA | Zhang, Tianyou,et al."Patterns and controls of vegetation productivity and precipitation-use efficiency across Eurasian grasslands".SCIENCE OF THE TOTAL ENVIRONMENT 741(2020):9. |
入库方式： OAI收割
来源：地理科学与资源研究所
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