Divergent shifts in peak photosynthesis timing of temperate and alpine grasslands in China
The changing climate is shifting the seasonality of photosynthesis in vegetation, including the start (SOS), end (EOS), and length (LOS) of the growing season, and the peak photosynthesis timing (PPT). While the SOS, EOS, and LOS have been widely investigated, the PPT of grasslands – as a proxy for...
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| creator | Yang, Jilin Dong, Jinwei Xiao, Xiangming Dai, Junhu Wu, Chaoyang Xia, Jianyang Zhao, Guosong Zhao, Miaomiao Li, Zhaolei Zhang, Yao Ge, Quansheng |
| description | The changing climate is shifting the seasonality of photosynthesis in vegetation, including the start (SOS), end (EOS), and length (LOS) of the growing season, and the peak photosynthesis timing (PPT). While the SOS, EOS, and LOS have been widely investigated, the PPT of grasslands – as a proxy for the response of seasonal plant photosynthesis to climate change – has been overlooked. In this study, we propose a hybrid generalized additive model (HGAM) method to extract PPT using the Vegetation Photosynthesis Model (VPM)-based gross primary production (GPP) product, and we examine the dynamics, drivers, and consequences of PPT changes in temperate and alpine grasslands in China over 2000–2016. We found that the PPTs in temperate and alpine grasslands have exhibited advancing (with −0.68 days yr−1, p |
| doi_str_mv | 10.1016/j.rse.2019.111395 |
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•Identification of peak photosynthesis timing (PPT) by a hybrid generalized additive model (HGAM).•Divergent PPT trends exist between temperate and alpine grasslands in China.•Different climatic factors affect the PPTs in temperate and alpine grasslands.•The correlation between an earlier peak and higher production exists only in temperate grasslands.</description><identifier>ISSN: 0034-4257</identifier><identifier>EISSN: 1879-0704</identifier><identifier>DOI: 10.1016/j.rse.2019.111395</identifier><language>eng</language><publisher>New York: Elsevier Inc</publisher><subject>Alpine environments ; Carbon cycle ; Carbon uptake ; Climate change ; Grassland peak phenology ; Grasslands ; Gross primary production ; Growing season ; Interannual variation ; Peak photosynthesis timing ; Photosynthesis ; Photosynthetic seasonality ; Plant photosynthesis ; Primary production ; Seasonal variations ; Soil moisture ; Vegetation</subject><ispartof>Remote sensing of environment, 2019-11, Vol.233, p.111395, Article 111395</ispartof><rights>2019 Elsevier Inc.</rights><rights>Copyright Elsevier BV Nov 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c383t-64b20acc9546bf81b2c86d58cec69d970bca88ad59c6306abe83f432044a85e03</citedby><cites>FETCH-LOGICAL-c383t-64b20acc9546bf81b2c86d58cec69d970bca88ad59c6306abe83f432044a85e03</cites><orcidid>0000-0002-1682-0893 ; 0000-0003-4140-7512 ; 0000-0002-2419-0879 ; 0000-0002-7468-2409</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0034425719304146$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids></links><search><creatorcontrib>Yang, Jilin</creatorcontrib><creatorcontrib>Dong, Jinwei</creatorcontrib><creatorcontrib>Xiao, Xiangming</creatorcontrib><creatorcontrib>Dai, Junhu</creatorcontrib><creatorcontrib>Wu, Chaoyang</creatorcontrib><creatorcontrib>Xia, Jianyang</creatorcontrib><creatorcontrib>Zhao, Guosong</creatorcontrib><creatorcontrib>Zhao, Miaomiao</creatorcontrib><creatorcontrib>Li, Zhaolei</creatorcontrib><creatorcontrib>Zhang, Yao</creatorcontrib><creatorcontrib>Ge, Quansheng</creatorcontrib><title>Divergent shifts in peak photosynthesis timing of temperate and alpine grasslands in China</title><title>Remote sensing of environment</title><description>The changing climate is shifting the seasonality of photosynthesis in vegetation, including the start (SOS), end (EOS), and length (LOS) of the growing season, and the peak photosynthesis timing (PPT). While the SOS, EOS, and LOS have been widely investigated, the PPT of grasslands – as a proxy for the response of seasonal plant photosynthesis to climate change – has been overlooked. In this study, we propose a hybrid generalized additive model (HGAM) method to extract PPT using the Vegetation Photosynthesis Model (VPM)-based gross primary production (GPP) product, and we examine the dynamics, drivers, and consequences of PPT changes in temperate and alpine grasslands in China over 2000–2016. We found that the PPTs in temperate and alpine grasslands have exhibited advancing (with −0.68 days yr−1, p < 0.05) and delaying (with 0.29 days yr−1, p = 0.158) trends, respectively. In addition, preseason precipitation and soil moisture were positively correlated with the PPT in temperate and alpine grasslands, respectively, while the preseason temperature consistently controlled the PPT changes in both grasslands. Furthermore, we found that an earlier PPT was associated with higher annual production in the temperate grasslands but not in the alpine grasslands in China. The divergent PPT patterns indicated the varied adaptation characteristics to climatic constraints in the temperate and alpine grasslands and also caused different consequences on carbon uptake. This study highlights the importance of PPT in understanding the spatiotemporal dynamics of vegetation photosynthesis and the carbon cycle under a changing climate.
•Identification of peak photosynthesis timing (PPT) by a hybrid generalized additive model (HGAM).•Divergent PPT trends exist between temperate and alpine grasslands in China.•Different climatic factors affect the PPTs in temperate and alpine grasslands.•The correlation between an earlier peak and higher production exists only in temperate grasslands.</description><subject>Alpine environments</subject><subject>Carbon cycle</subject><subject>Carbon uptake</subject><subject>Climate change</subject><subject>Grassland peak phenology</subject><subject>Grasslands</subject><subject>Gross primary production</subject><subject>Growing season</subject><subject>Interannual variation</subject><subject>Peak photosynthesis timing</subject><subject>Photosynthesis</subject><subject>Photosynthetic seasonality</subject><subject>Plant photosynthesis</subject><subject>Primary production</subject><subject>Seasonal variations</subject><subject>Soil moisture</subject><subject>Vegetation</subject><issn>0034-4257</issn><issn>1879-0704</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp9kMtOwzAQRS0EEqXwAewssU7wI4ltsULlKVViAxs2luNMGofWCbZbqX9PSlmzGml0z53RQeiakpwSWt32eYiQM0JVTinlqjxBMyqFyoggxSmaEcKLrGClOEcXMfaE0FIKOkOfD24HYQU-4di5NkXsPB7BfOGxG9IQ9z51EF3EyW2cX-GhxQk2IwSTABvfYLMenQe8CibG9bT4LVh0zptLdNaadYSrvzlHH0-P74uXbPn2_Lq4X2aWS56yqqgZMdaqsqjqVtKaWVk1pbRgK9UoQWprpDRNqWzFSWVqkLwtOCNFYWQJhM_RzbF3DMP3FmLS_bANfjqpGWeMKyEqMaXoMWXDEGOAVo_BbUzYa0r0QaHu9aRQHxTqo8KJuTsyML2_cxB0tA68hcYFsEk3g_uH_gFwOXoT</recordid><startdate>20191101</startdate><enddate>20191101</enddate><creator>Yang, Jilin</creator><creator>Dong, Jinwei</creator><creator>Xiao, Xiangming</creator><creator>Dai, Junhu</creator><creator>Wu, Chaoyang</creator><creator>Xia, Jianyang</creator><creator>Zhao, Guosong</creator><creator>Zhao, Miaomiao</creator><creator>Li, Zhaolei</creator><creator>Zhang, Yao</creator><creator>Ge, Quansheng</creator><general>Elsevier Inc</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SN</scope><scope>7SP</scope><scope>7SR</scope><scope>7TA</scope><scope>7TB</scope><scope>7TG</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KL.</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><orcidid>https://orcid.org/0000-0002-1682-0893</orcidid><orcidid>https://orcid.org/0000-0003-4140-7512</orcidid><orcidid>https://orcid.org/0000-0002-2419-0879</orcidid><orcidid>https://orcid.org/0000-0002-7468-2409</orcidid></search><sort><creationdate>20191101</creationdate><title>Divergent shifts in peak photosynthesis timing of temperate and alpine grasslands in China</title><author>Yang, Jilin ; Dong, Jinwei ; Xiao, Xiangming ; Dai, Junhu ; Wu, Chaoyang ; Xia, Jianyang ; Zhao, Guosong ; Zhao, Miaomiao ; Li, Zhaolei ; Zhang, Yao ; Ge, Quansheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c383t-64b20acc9546bf81b2c86d58cec69d970bca88ad59c6306abe83f432044a85e03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Alpine environments</topic><topic>Carbon cycle</topic><topic>Carbon uptake</topic><topic>Climate change</topic><topic>Grassland peak phenology</topic><topic>Grasslands</topic><topic>Gross primary production</topic><topic>Growing season</topic><topic>Interannual variation</topic><topic>Peak photosynthesis timing</topic><topic>Photosynthesis</topic><topic>Photosynthetic seasonality</topic><topic>Plant photosynthesis</topic><topic>Primary production</topic><topic>Seasonal variations</topic><topic>Soil moisture</topic><topic>Vegetation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, Jilin</creatorcontrib><creatorcontrib>Dong, Jinwei</creatorcontrib><creatorcontrib>Xiao, Xiangming</creatorcontrib><creatorcontrib>Dai, Junhu</creatorcontrib><creatorcontrib>Wu, Chaoyang</creatorcontrib><creatorcontrib>Xia, Jianyang</creatorcontrib><creatorcontrib>Zhao, Guosong</creatorcontrib><creatorcontrib>Zhao, Miaomiao</creatorcontrib><creatorcontrib>Li, Zhaolei</creatorcontrib><creatorcontrib>Zhang, Yao</creatorcontrib><creatorcontrib>Ge, Quansheng</creatorcontrib><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Ecology Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Remote sensing of environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, Jilin</au><au>Dong, Jinwei</au><au>Xiao, Xiangming</au><au>Dai, Junhu</au><au>Wu, Chaoyang</au><au>Xia, Jianyang</au><au>Zhao, Guosong</au><au>Zhao, Miaomiao</au><au>Li, Zhaolei</au><au>Zhang, Yao</au><au>Ge, Quansheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Divergent shifts in peak photosynthesis timing of temperate and alpine grasslands in China</atitle><jtitle>Remote sensing of environment</jtitle><date>2019-11-01</date><risdate>2019</risdate><volume>233</volume><spage>111395</spage><pages>111395-</pages><artnum>111395</artnum><issn>0034-4257</issn><eissn>1879-0704</eissn><abstract>The changing climate is shifting the seasonality of photosynthesis in vegetation, including the start (SOS), end (EOS), and length (LOS) of the growing season, and the peak photosynthesis timing (PPT). While the SOS, EOS, and LOS have been widely investigated, the PPT of grasslands – as a proxy for the response of seasonal plant photosynthesis to climate change – has been overlooked. In this study, we propose a hybrid generalized additive model (HGAM) method to extract PPT using the Vegetation Photosynthesis Model (VPM)-based gross primary production (GPP) product, and we examine the dynamics, drivers, and consequences of PPT changes in temperate and alpine grasslands in China over 2000–2016. We found that the PPTs in temperate and alpine grasslands have exhibited advancing (with −0.68 days yr−1, p < 0.05) and delaying (with 0.29 days yr−1, p = 0.158) trends, respectively. In addition, preseason precipitation and soil moisture were positively correlated with the PPT in temperate and alpine grasslands, respectively, while the preseason temperature consistently controlled the PPT changes in both grasslands. Furthermore, we found that an earlier PPT was associated with higher annual production in the temperate grasslands but not in the alpine grasslands in China. The divergent PPT patterns indicated the varied adaptation characteristics to climatic constraints in the temperate and alpine grasslands and also caused different consequences on carbon uptake. This study highlights the importance of PPT in understanding the spatiotemporal dynamics of vegetation photosynthesis and the carbon cycle under a changing climate.
•Identification of peak photosynthesis timing (PPT) by a hybrid generalized additive model (HGAM).•Divergent PPT trends exist between temperate and alpine grasslands in China.•Different climatic factors affect the PPTs in temperate and alpine grasslands.•The correlation between an earlier peak and higher production exists only in temperate grasslands.</abstract><cop>New York</cop><pub>Elsevier Inc</pub><doi>10.1016/j.rse.2019.111395</doi><orcidid>https://orcid.org/0000-0002-1682-0893</orcidid><orcidid>https://orcid.org/0000-0003-4140-7512</orcidid><orcidid>https://orcid.org/0000-0002-2419-0879</orcidid><orcidid>https://orcid.org/0000-0002-7468-2409</orcidid></addata></record> |
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| subjects | Alpine environments Carbon cycle Carbon uptake Climate change Grassland peak phenology Grasslands Gross primary production Growing season Interannual variation Peak photosynthesis timing Photosynthesis Photosynthetic seasonality Plant photosynthesis Primary production Seasonal variations Soil moisture Vegetation |
| title | Divergent shifts in peak photosynthesis timing of temperate and alpine grasslands in China |
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