Source components and interannual variability of soil CO2 efflux under experimental warming and clipping in a grassland ecosystem
Partitioning soil CO2 efflux into autotrophic (RA) and heterotrophic (RH) components is crucial for understanding their differential responses to climate change. We conducted a long‐term experiment (2000–2005) to investigate effects of warming 2°C and yearly clipping on soil CO2 efflux and its compo...
Gespeichert in:
| Veröffentlicht in: | Global change biology 2007-04, Vol.13 (4), p.761-775 |
|---|---|
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | 775 |
|---|---|
| container_issue | 4 |
| container_start_page | 761 |
| container_title | Global change biology |
| container_volume | 13 |
| creator | ZHOU, XUHUI WAN, SHIQIANG LUO, YIQI |
| description | Partitioning soil CO2 efflux into autotrophic (RA) and heterotrophic (RH) components is crucial for understanding their differential responses to climate change. We conducted a long‐term experiment (2000–2005) to investigate effects of warming 2°C and yearly clipping on soil CO2 efflux and its components (i.e. RA and RH) in a tallgrass prairie ecosystem. Interannual variability of these fluxes was also examined. Deep collars (70 cm) were inserted into soil to measure RH. RA was quantified as the difference between soil CO2 efflux and RH. Warming treatment significantly stimulated soil CO2 efflux and its components (i.e. RA and RH) in most years. In contrast, yearly clipping significantly reduced soil CO2 efflux only in the last 2 years, although it decreased RH in every year of the study. Temperature sensitivity (i.e. apparent Q10 values) of soil CO2 efflux was slightly lower under warming (P>0.05) and reduced considerably by clipping (P |
| doi_str_mv | 10.1111/j.1365-2486.2007.01333.x |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_wiley</sourceid><recordid>TN_cdi_proquest_journals_205132153</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1260005401</sourcerecordid><originalsourceid>FETCH-LOGICAL-i3403-be4abb3b6a2a16b915325d51c7e72e8792cd118a3eb5966a277315ba150bfe303</originalsourceid><addsrcrecordid>eNo9UMtOwzAQjBBIQOEfLO4JtjdO2gMHWqAgVSDxEEfLTjfIJXWCndD0yJ_jUNS97K53ZqyZKCKMJizU5SphkImYp-Ms4ZTmCWUAkPQH0cn-cDjMIo1ZuB1Hp96vKKXAaXYS_bzUnSuQFPW6qS3a1hNll8TYFp2ytlMV-VbOKG0q025JXRJfm4rMnjjBsqy6nnR2iY5g36Az6yAQGBvl1sZ-_CkVlWmaYTGWKPLhlPfV8I5F7be-xfVZdFSqyuP5fx9Fb3e3r7P7ePE0f5hdL2IDKYVYY6q0Bp0prlimJ0wAF0vBihxzjuN8woslY2MFqMUkC6g8Bya0YoLqEoHCKLrY6Tau_urQt3IVrNvwpeRUMOBBMYCudqCNqXArm2BJua1kVA5hy5UcMpVDpnIIW_6FLXs5n02HKfDjHd8Ea_2er9ynzHLIhXx_nEsO7P3l5nkqU_gFdhOGCg</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>205132153</pqid></control><display><type>article</type><title>Source components and interannual variability of soil CO2 efflux under experimental warming and clipping in a grassland ecosystem</title><source>Wiley Online Library - AutoHoldings Journals</source><creator>ZHOU, XUHUI ; WAN, SHIQIANG ; LUO, YIQI</creator><creatorcontrib>ZHOU, XUHUI ; WAN, SHIQIANG ; LUO, YIQI</creatorcontrib><description>Partitioning soil CO2 efflux into autotrophic (RA) and heterotrophic (RH) components is crucial for understanding their differential responses to climate change. We conducted a long‐term experiment (2000–2005) to investigate effects of warming 2°C and yearly clipping on soil CO2 efflux and its components (i.e. RA and RH) in a tallgrass prairie ecosystem. Interannual variability of these fluxes was also examined. Deep collars (70 cm) were inserted into soil to measure RH. RA was quantified as the difference between soil CO2 efflux and RH. Warming treatment significantly stimulated soil CO2 efflux and its components (i.e. RA and RH) in most years. In contrast, yearly clipping significantly reduced soil CO2 efflux only in the last 2 years, although it decreased RH in every year of the study. Temperature sensitivity (i.e. apparent Q10 values) of soil CO2 efflux was slightly lower under warming (P>0.05) and reduced considerably by clipping (P<0.05) compared with that in the control. On average over the 4 years, RH accounted for approximately 65% of soil CO2 efflux with a range from 58% to 73% in the four treatments. Over seasons, the contribution of RH to soil CO2 efflux reached a maximum in winter (∼90%) and a minimum in summer (∼35%). Annual soil CO2 efflux did not vary substantially among years as precipitation did. The interannual variability of soil CO2 efflux may be mainly caused by precipitation distribution and summer severe drought. Our results suggest that the effects of warming and yearly clipping on soil CO2 efflux and its components did not result in significant changes in RH or RA contribution, and rainfall timing may be more important in determining interannual variability of soil CO2 efflux than the amount of annual precipitation.</description><identifier>ISSN: 1354-1013</identifier><identifier>EISSN: 1365-2486</identifier><identifier>DOI: 10.1111/j.1365-2486.2007.01333.x</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Carbon dioxide ; Carbon sequestration ; Climate change ; clipping ; Ecosystems ; global warming ; Grasses ; heterotrophic respiration ; interannual variability ; partitioning ; root respiration ; soil respiration ; Soil sciences ; tallgrass prairie</subject><ispartof>Global change biology, 2007-04, Vol.13 (4), p.761-775</ispartof><rights>2007 Blackwell Publishing Ltd</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1365-2486.2007.01333.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1365-2486.2007.01333.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>ZHOU, XUHUI</creatorcontrib><creatorcontrib>WAN, SHIQIANG</creatorcontrib><creatorcontrib>LUO, YIQI</creatorcontrib><title>Source components and interannual variability of soil CO2 efflux under experimental warming and clipping in a grassland ecosystem</title><title>Global change biology</title><description>Partitioning soil CO2 efflux into autotrophic (RA) and heterotrophic (RH) components is crucial for understanding their differential responses to climate change. We conducted a long‐term experiment (2000–2005) to investigate effects of warming 2°C and yearly clipping on soil CO2 efflux and its components (i.e. RA and RH) in a tallgrass prairie ecosystem. Interannual variability of these fluxes was also examined. Deep collars (70 cm) were inserted into soil to measure RH. RA was quantified as the difference between soil CO2 efflux and RH. Warming treatment significantly stimulated soil CO2 efflux and its components (i.e. RA and RH) in most years. In contrast, yearly clipping significantly reduced soil CO2 efflux only in the last 2 years, although it decreased RH in every year of the study. Temperature sensitivity (i.e. apparent Q10 values) of soil CO2 efflux was slightly lower under warming (P>0.05) and reduced considerably by clipping (P<0.05) compared with that in the control. On average over the 4 years, RH accounted for approximately 65% of soil CO2 efflux with a range from 58% to 73% in the four treatments. Over seasons, the contribution of RH to soil CO2 efflux reached a maximum in winter (∼90%) and a minimum in summer (∼35%). Annual soil CO2 efflux did not vary substantially among years as precipitation did. The interannual variability of soil CO2 efflux may be mainly caused by precipitation distribution and summer severe drought. Our results suggest that the effects of warming and yearly clipping on soil CO2 efflux and its components did not result in significant changes in RH or RA contribution, and rainfall timing may be more important in determining interannual variability of soil CO2 efflux than the amount of annual precipitation.</description><subject>Carbon dioxide</subject><subject>Carbon sequestration</subject><subject>Climate change</subject><subject>clipping</subject><subject>Ecosystems</subject><subject>global warming</subject><subject>Grasses</subject><subject>heterotrophic respiration</subject><subject>interannual variability</subject><subject>partitioning</subject><subject>root respiration</subject><subject>soil respiration</subject><subject>Soil sciences</subject><subject>tallgrass prairie</subject><issn>1354-1013</issn><issn>1365-2486</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNo9UMtOwzAQjBBIQOEfLO4JtjdO2gMHWqAgVSDxEEfLTjfIJXWCndD0yJ_jUNS97K53ZqyZKCKMJizU5SphkImYp-Ms4ZTmCWUAkPQH0cn-cDjMIo1ZuB1Hp96vKKXAaXYS_bzUnSuQFPW6qS3a1hNll8TYFp2ytlMV-VbOKG0q025JXRJfm4rMnjjBsqy6nnR2iY5g36Az6yAQGBvl1sZ-_CkVlWmaYTGWKPLhlPfV8I5F7be-xfVZdFSqyuP5fx9Fb3e3r7P7ePE0f5hdL2IDKYVYY6q0Bp0prlimJ0wAF0vBihxzjuN8woslY2MFqMUkC6g8Bya0YoLqEoHCKLrY6Tau_urQt3IVrNvwpeRUMOBBMYCudqCNqXArm2BJua1kVA5hy5UcMpVDpnIIW_6FLXs5n02HKfDjHd8Ea_2er9ynzHLIhXx_nEsO7P3l5nkqU_gFdhOGCg</recordid><startdate>200704</startdate><enddate>200704</enddate><creator>ZHOU, XUHUI</creator><creator>WAN, SHIQIANG</creator><creator>LUO, YIQI</creator><general>Blackwell Publishing Ltd</general><scope>BSCLL</scope><scope>7SN</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope></search><sort><creationdate>200704</creationdate><title>Source components and interannual variability of soil CO2 efflux under experimental warming and clipping in a grassland ecosystem</title><author>ZHOU, XUHUI ; WAN, SHIQIANG ; LUO, YIQI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i3403-be4abb3b6a2a16b915325d51c7e72e8792cd118a3eb5966a277315ba150bfe303</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Carbon dioxide</topic><topic>Carbon sequestration</topic><topic>Climate change</topic><topic>clipping</topic><topic>Ecosystems</topic><topic>global warming</topic><topic>Grasses</topic><topic>heterotrophic respiration</topic><topic>interannual variability</topic><topic>partitioning</topic><topic>root respiration</topic><topic>soil respiration</topic><topic>Soil sciences</topic><topic>tallgrass prairie</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ZHOU, XUHUI</creatorcontrib><creatorcontrib>WAN, SHIQIANG</creatorcontrib><creatorcontrib>LUO, YIQI</creatorcontrib><collection>Istex</collection><collection>Ecology Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Global change biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ZHOU, XUHUI</au><au>WAN, SHIQIANG</au><au>LUO, YIQI</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Source components and interannual variability of soil CO2 efflux under experimental warming and clipping in a grassland ecosystem</atitle><jtitle>Global change biology</jtitle><date>2007-04</date><risdate>2007</risdate><volume>13</volume><issue>4</issue><spage>761</spage><epage>775</epage><pages>761-775</pages><issn>1354-1013</issn><eissn>1365-2486</eissn><abstract>Partitioning soil CO2 efflux into autotrophic (RA) and heterotrophic (RH) components is crucial for understanding their differential responses to climate change. We conducted a long‐term experiment (2000–2005) to investigate effects of warming 2°C and yearly clipping on soil CO2 efflux and its components (i.e. RA and RH) in a tallgrass prairie ecosystem. Interannual variability of these fluxes was also examined. Deep collars (70 cm) were inserted into soil to measure RH. RA was quantified as the difference between soil CO2 efflux and RH. Warming treatment significantly stimulated soil CO2 efflux and its components (i.e. RA and RH) in most years. In contrast, yearly clipping significantly reduced soil CO2 efflux only in the last 2 years, although it decreased RH in every year of the study. Temperature sensitivity (i.e. apparent Q10 values) of soil CO2 efflux was slightly lower under warming (P>0.05) and reduced considerably by clipping (P<0.05) compared with that in the control. On average over the 4 years, RH accounted for approximately 65% of soil CO2 efflux with a range from 58% to 73% in the four treatments. Over seasons, the contribution of RH to soil CO2 efflux reached a maximum in winter (∼90%) and a minimum in summer (∼35%). Annual soil CO2 efflux did not vary substantially among years as precipitation did. The interannual variability of soil CO2 efflux may be mainly caused by precipitation distribution and summer severe drought. Our results suggest that the effects of warming and yearly clipping on soil CO2 efflux and its components did not result in significant changes in RH or RA contribution, and rainfall timing may be more important in determining interannual variability of soil CO2 efflux than the amount of annual precipitation.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1365-2486.2007.01333.x</doi><tpages>15</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1354-1013 |
| ispartof | Global change biology, 2007-04, Vol.13 (4), p.761-775 |
| issn | 1354-1013 1365-2486 |
| language | eng |
| recordid | cdi_proquest_journals_205132153 |
| source | Wiley Online Library - AutoHoldings Journals |
| subjects | Carbon dioxide Carbon sequestration Climate change clipping Ecosystems global warming Grasses heterotrophic respiration interannual variability partitioning root respiration soil respiration Soil sciences tallgrass prairie |
| title | Source components and interannual variability of soil CO2 efflux under experimental warming and clipping in a grassland ecosystem |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-07T19%3A04%3A15IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_wiley&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Source%20components%20and%20interannual%20variability%20of%20soil%20CO2%20efflux%20under%20experimental%20warming%20and%20clipping%20in%20a%20grassland%20ecosystem&rft.jtitle=Global%20change%20biology&rft.au=ZHOU,%20XUHUI&rft.date=2007-04&rft.volume=13&rft.issue=4&rft.spage=761&rft.epage=775&rft.pages=761-775&rft.issn=1354-1013&rft.eissn=1365-2486&rft_id=info:doi/10.1111/j.1365-2486.2007.01333.x&rft_dat=%3Cproquest_wiley%3E1260005401%3C/proquest_wiley%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=205132153&rft_id=info:pmid/&rfr_iscdi=true |