RCEES OpenIR  > 城市与区域生态国家重点实验室
Grassland productivity response to droughts in northern China monitored by satellite-based solar-induced chlorophyll fluorescence
Wang, Xinyun; Pan, Shufen; Pan, Naiqing; Pan, Peipei
2022-07-15
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
Volume830Issue:0Pages:154550
AbstractSolar-induced chlorophyll fluorescence (SIF) has been applied to a wide range of ecological studies, such as monitoring and assessing drought, vegetation productivity, and crop yield. Previous studies have shown that SIF is highly related to gross primary production (GPP), but its correlation with aboveground biomass (AGB) still needs further exploration. In this study, we explored the potential of SIF for monitoring and assessing the effects of climate change and meteorological drought on grassland AGB changes in the northern grassland of China. By examining the relationship between the Orbiting Carbon Observatory 2 (OCO-2) SIF and drought indices, we assessed the response of northern grassland productivity to meteorological drought conditions. The results show that SIF is very sensitive to meteorological drought and can capture drought events and the dynamics of grassland growth in different grassland types. The correlation between SIF, drought indices, and AGB varied with grassland type. A gradient boosting decision tree (GBDT) was used to explore the relationships between SIF and the impact variables in the grassland ecosystem. We found that climatic factors (e.g., annual mean growing season precipitation, annual mean growing season temperature, and annual mean vapor pressure deficit) and human activity (e.g., grazing intensity) significantly impacted the inter annual variability of grassland productivity. Our results indicate that SIF changes can reflect the seasonal dynamics of vegetation growth in the northern grassland of China. Therefore, SIF can be used as benchmark data for evaluating the performance of terrestrial ecosystem models in simulating ecosystem productivity in this region. The high sensitivity of SIF to drought suggests that it is a useful tool for monitoring and assessing drought events.
Department城市与区域生态国家重点实验室 ; 城市与区域生态国家重点实验室
KeywordGROSS PRIMARY PRODUCTION CLIMATE VARIABILITY CARBON ECOSYSTEMS INSIGHTS PHOTOSYNTHESIS DYNAMICS EXCHANGE PLATEAU IMPACTS
Document Type期刊论文
Identifierhttps://ir.rcees.ac.cn/handle/311016/47268
Collection城市与区域生态国家重点实验室
Corresponding AuthorWang, Xinyun
Affiliation1.Ningxia Univ, Sch Ecol & Environm Sci, Yinchuan 750021, Ningxia, Peoples R China
2.Ningxia Univ, Breeding Base State Key Lab Land Degradat & Ecol, Yinchuan 750021, Ningxia, Peoples R China
3.Ningxia Univ, Key Lab Restorat & Reconstruct Degraded Ecosyst N, Minist Educ, Yinchuan 750021, Ningxia, Peoples R China
4.Ningxia Univ, Key Lab Restorat Degraded Ecosyst Ningxia Prov, Yinchuan 750021, Ningxia, Peoples R China
5.Auburn Univ, Int Ctr Climate & Global Change Res, Sch Forestry & Wildlife Sci, Auburn, AL 36830
Recommended Citation
GB/T 7714
Wang, Xinyun,Pan, Shufen,Pan, Naiqing,et al. Grassland productivity response to droughts in northern China monitored by satellite-based solar-induced chlorophyll fluorescence[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2022,830(0):154550.
APA Wang, Xinyun,Pan, Shufen,Pan, Naiqing,&Pan, Peipei.(2022).Grassland productivity response to droughts in northern China monitored by satellite-based solar-induced chlorophyll fluorescence.SCIENCE OF THE TOTAL ENVIRONMENT,830(0),154550.
MLA Wang, Xinyun,et al."Grassland productivity response to droughts in northern China monitored by satellite-based solar-induced chlorophyll fluorescence".SCIENCE OF THE TOTAL ENVIRONMENT 830.0(2022):154550.
Files in This Item: Download All
File Name/Size DocType Version Access License
Grassland productivi(6909KB)期刊论文出版稿开放获取CC BY-NC-SAView Download
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Wang, Xinyun]'s Articles
[Pan, Shufen]'s Articles
[Pan, Naiqing]'s Articles
Baidu academic
Similar articles in Baidu academic
[Wang, Xinyun]'s Articles
[Pan, Shufen]'s Articles
[Pan, Naiqing]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Wang, Xinyun]'s Articles
[Pan, Shufen]'s Articles
[Pan, Naiqing]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: Grassland productivity response to droughts in northern China monitored by satellite-based solar-induced chlorophyll fluorescence.pdf
Format: Adobe PDF
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.