The spatial heterogeneity of the relationship between gross primary production and sun-induced chlorophyll fluorescence regulated by climate conditions during 2007-2018
文献类型：期刊论文
| 作者 | Wang, Yonglin4; Zhou, Lei3,4; Zhuang, Jie4; Sun, Leigang1; Chi, Yonggang2,4 |
| 刊名 | GLOBAL ECOLOGY AND CONSERVATION
 |
| 出版日期 | 2021-09-01 |
| 卷号 | 29页码:14 |
| 关键词 | Spatial pattern Seasonality The GPP-SIF relationship GPP SIF Climate-dependent |
| ISSN号 | 2351-9894 |
| DOI | 10.1016/j.gecco.2021.e01721 |
| 通讯作者 | Zhou, Lei(zhoulei@zjnu.cn) ; Chi, Yonggang(chiyonggang@zjnu.cn) |
| 英文摘要 | The strong relationship between gross primary productivity (GPP) and sun-induced chlorophyll fluorescence (SIF) provided a novel perspective to estimate the terrestrial GPP based on satellite SIF. However, the influence of environmental conditions on the relationship between GPP and SIF is still unclear. In this study, we synthesized GOME-2 SIF and FLUXCOM GPP coupled with climate data to explore the spatial pattern of the GPP-SIF relationship and its sensitivity to climate conditions at global scale during 2007-2018. The slope (GPP/SIF) of the intercept-free linear regression, which contained information about the allocation of light energy for fluorescence and photosynthesis, was used to represent the GPP-SIF relationship. Our study found that the slope and R2 of the GPP-SIF relationship were spatially heterogeneous, with high slope mainly distributed in the tropical regions and boreal regions and the high R2 mainly concentrated in temperate ecosystems of the Northern Hemisphere. In climate regimes, we found that the GPP-SIF relationship was jointly constrained by environmental variables and the slope had a significant decreasing trend in climate regions from high mean annual temperature (MAT) and low mean annual photosynthetically active radiation (MAR) to low MAT and high MAR. Furthermore, the slope and mean annual precipitation (MAP) have a positive correlation, which indicated the GPPSIF relationship was climate-dependent. Environmental stress may destroy the relationship between fluorescence and photosynthesis by increasing non-photochemical quenching (NPQ). Our research showed that environmental conditions regulated the light energy distribution for fluorescence and photosynthesis, so accurate estimation of terrestrial ecosystem productivity based on SIF should consider the constraints of climate variables. |
| WOS关键词 | NET PRIMARY PRODUCTION ; PHOTOSYNTHESIS ; CANOPY ; VEGETATION ; RETRIEVAL ; MODELS ; FLUXES ; SITES ; LIGHT ; INDEX |
| 资助项目 | National Key Research and Development Program of China[2017YFB0504000] ; National Natural Science Foundation of China[41871084] ; National Natural Science Foundation of China[31400393] ; State Key Laboratory of Resources and Environmental Information System |
| WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000693739700002 |
| 出版者 | ELSEVIER |
| 资助机构 | National Key Research and Development Program of China ; National Natural Science Foundation of China ; State Key Laboratory of Resources and Environmental Information System |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/165404]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Zhou, Lei; Chi, Yonggang |
| 作者单位 | 1.Hebei Acad Sci, Inst Geog Sci, Shijiazhuang 050021, Hebei, Peoples R China 2.Chinese Acad Sci, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China 3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modelling, Beijing 100101, Peoples R China 4.Zhejiang Normal Univ, Coll Geog & Environm Sci, Jinhua 321004, Zhejiang, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Yonglin,Zhou, Lei,Zhuang, Jie,et al. The spatial heterogeneity of the relationship between gross primary production and sun-induced chlorophyll fluorescence regulated by climate conditions during 2007-2018[J]. GLOBAL ECOLOGY AND CONSERVATION,2021,29:14. |
| APA | Wang, Yonglin,Zhou, Lei,Zhuang, Jie,Sun, Leigang,&Chi, Yonggang.(2021).The spatial heterogeneity of the relationship between gross primary production and sun-induced chlorophyll fluorescence regulated by climate conditions during 2007-2018.GLOBAL ECOLOGY AND CONSERVATION,29,14. |
| MLA | Wang, Yonglin,et al."The spatial heterogeneity of the relationship between gross primary production and sun-induced chlorophyll fluorescence regulated by climate conditions during 2007-2018".GLOBAL ECOLOGY AND CONSERVATION 29(2021):14. |
入库方式： OAI收割
来源：地理科学与资源研究所
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