Elevated CO2 as a driver of global dryland greening
While recent findings based on satellite records indicate a positive trend in vegetation greenness over global drylands, the reasons remain elusive. We hypothesize that enhanced levels of atmospheric CO 2 play an important role in the observed greening through the CO 2 effect on plant water savings...
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| Veröffentlicht in: | Scientific reports 2016-02, Vol.6 (1), p.20716-20716, Article 20716 |
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| creator | Lu, Xuefei Wang, Lixin McCabe, Matthew F. |
| description | While recent findings based on satellite records indicate a positive trend in vegetation greenness over global drylands, the reasons remain elusive. We hypothesize that enhanced levels of atmospheric CO
2
play an important role in the observed greening through the CO
2
effect on plant water savings and consequent available soil water increases. Meta-analytic techniques were used to compare soil water content under ambient and elevated CO
2
treatments across a range of climate regimes, vegetation types, soil textures and land management practices. Based on 1705 field measurements from 21 distinct sites, a consistent and statistically significant increase in the availability of soil water (11%) was observed under elevated CO
2
treatments in both drylands and non-drylands, with a statistically stronger response over drylands (17% vs. 9%). Given the inherent water limitation in drylands, it is suggested that the additional soil water availability is a likely driver of observed increases in vegetation greenness. |
| doi_str_mv | 10.1038/srep20716 |
| format | Article |
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2
play an important role in the observed greening through the CO
2
effect on plant water savings and consequent available soil water increases. Meta-analytic techniques were used to compare soil water content under ambient and elevated CO
2
treatments across a range of climate regimes, vegetation types, soil textures and land management practices. Based on 1705 field measurements from 21 distinct sites, a consistent and statistically significant increase in the availability of soil water (11%) was observed under elevated CO
2
treatments in both drylands and non-drylands, with a statistically stronger response over drylands (17% vs. 9%). Given the inherent water limitation in drylands, it is suggested that the additional soil water availability is a likely driver of observed increases in vegetation greenness.</description><identifier>ISSN: 2045-2322</identifier><identifier>EISSN: 2045-2322</identifier><identifier>DOI: 10.1038/srep20716</identifier><identifier>PMID: 26869389</identifier><language>eng</language><publisher>London: Nature Publishing Group UK</publisher><subject>704/158/2165 ; 704/158/2445 ; Arid zones ; Carbon dioxide ; Greening ; Humanities and Social Sciences ; Land management ; Moisture content ; multidisciplinary ; Science ; Soil texture ; Soil water ; Statistical analysis ; Vegetation ; Water availability ; Water content</subject><ispartof>Scientific reports, 2016-02, Vol.6 (1), p.20716-20716, Article 20716</ispartof><rights>The Author(s) 2016</rights><rights>Copyright Nature Publishing Group Feb 2016</rights><rights>Copyright © 2016, Macmillan Publishers Limited 2016 Macmillan Publishers Limited</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c504t-b734e20d6e1e7a95ecbf03fbc71c9fce052712e03bb4d37d9ae02c8d04bed6363</citedby><cites>FETCH-LOGICAL-c504t-b734e20d6e1e7a95ecbf03fbc71c9fce052712e03bb4d37d9ae02c8d04bed6363</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4751615/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC4751615/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,727,780,784,864,885,27924,27925,41120,42189,51576,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/26869389$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lu, Xuefei</creatorcontrib><creatorcontrib>Wang, Lixin</creatorcontrib><creatorcontrib>McCabe, Matthew F.</creatorcontrib><title>Elevated CO2 as a driver of global dryland greening</title><title>Scientific reports</title><addtitle>Sci Rep</addtitle><addtitle>Sci Rep</addtitle><description>While recent findings based on satellite records indicate a positive trend in vegetation greenness over global drylands, the reasons remain elusive. We hypothesize that enhanced levels of atmospheric CO
2
play an important role in the observed greening through the CO
2
effect on plant water savings and consequent available soil water increases. Meta-analytic techniques were used to compare soil water content under ambient and elevated CO
2
treatments across a range of climate regimes, vegetation types, soil textures and land management practices. Based on 1705 field measurements from 21 distinct sites, a consistent and statistically significant increase in the availability of soil water (11%) was observed under elevated CO
2
treatments in both drylands and non-drylands, with a statistically stronger response over drylands (17% vs. 9%). Given the inherent water limitation in drylands, it is suggested that the additional soil water availability is a likely driver of observed increases in vegetation greenness.</description><subject>704/158/2165</subject><subject>704/158/2445</subject><subject>Arid zones</subject><subject>Carbon dioxide</subject><subject>Greening</subject><subject>Humanities and Social Sciences</subject><subject>Land management</subject><subject>Moisture content</subject><subject>multidisciplinary</subject><subject>Science</subject><subject>Soil texture</subject><subject>Soil water</subject><subject>Statistical analysis</subject><subject>Vegetation</subject><subject>Water availability</subject><subject>Water content</subject><issn>2045-2322</issn><issn>2045-2322</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNplkU1Lw0AQhhdRbKk9-Ack4EWF6H4km-xFkFI_oNCLnpf9mMSUNKm7SaH_3i2tpepcdth5eOedGYQuCb4nmOUP3sGK4ozwEzSkOEljyig9PcoHaOz9AodIqUiIOEcDynMuWC6GiE1rWKsObDSZ00j5SEXWVWtwUVtEZd1qVYePTa0aG5UOoKma8gKdFar2MN6_I_TxPH2fvMaz-cvb5GkWmxQnXawzlgDFlgOBTIkUjC4wK7TJiBGFgWAnIxQw0zqxLLNCAaYmtzjRYDnjbIQed7qrXi_BGmg6p2q5ctVSuY1sVSV_V5rqU5btWiZZSjhJg8DNXsC1Xz34Ti4rb6AO00Dbe0kynhLCE7pFr_-gi7Z3TRhPklwITHNO80Dd7ijjWh8WXxzMECy315CHawT26tj9gfzZfQDudoAPpaYEd9Tyn9o3olWSuw</recordid><startdate>20160212</startdate><enddate>20160212</enddate><creator>Lu, Xuefei</creator><creator>Wang, Lixin</creator><creator>McCabe, Matthew F.</creator><general>Nature Publishing Group UK</general><general>Nature Publishing Group</general><scope>C6C</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7X7</scope><scope>7XB</scope><scope>88A</scope><scope>88E</scope><scope>88I</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7P</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20160212</creationdate><title>Elevated CO2 as a driver of global dryland greening</title><author>Lu, Xuefei ; Wang, Lixin ; McCabe, Matthew F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c504t-b734e20d6e1e7a95ecbf03fbc71c9fce052712e03bb4d37d9ae02c8d04bed6363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>704/158/2165</topic><topic>704/158/2445</topic><topic>Arid zones</topic><topic>Carbon dioxide</topic><topic>Greening</topic><topic>Humanities and Social Sciences</topic><topic>Land management</topic><topic>Moisture content</topic><topic>multidisciplinary</topic><topic>Science</topic><topic>Soil texture</topic><topic>Soil water</topic><topic>Statistical analysis</topic><topic>Vegetation</topic><topic>Water availability</topic><topic>Water content</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lu, Xuefei</creatorcontrib><creatorcontrib>Wang, Lixin</creatorcontrib><creatorcontrib>McCabe, Matthew F.</creatorcontrib><collection>Springer Nature OA Free Journals</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Biology Database (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Biological Science Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Scientific reports</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lu, Xuefei</au><au>Wang, Lixin</au><au>McCabe, Matthew F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Elevated CO2 as a driver of global dryland greening</atitle><jtitle>Scientific reports</jtitle><stitle>Sci Rep</stitle><addtitle>Sci Rep</addtitle><date>2016-02-12</date><risdate>2016</risdate><volume>6</volume><issue>1</issue><spage>20716</spage><epage>20716</epage><pages>20716-20716</pages><artnum>20716</artnum><issn>2045-2322</issn><eissn>2045-2322</eissn><abstract>While recent findings based on satellite records indicate a positive trend in vegetation greenness over global drylands, the reasons remain elusive. We hypothesize that enhanced levels of atmospheric CO
2
play an important role in the observed greening through the CO
2
effect on plant water savings and consequent available soil water increases. Meta-analytic techniques were used to compare soil water content under ambient and elevated CO
2
treatments across a range of climate regimes, vegetation types, soil textures and land management practices. Based on 1705 field measurements from 21 distinct sites, a consistent and statistically significant increase in the availability of soil water (11%) was observed under elevated CO
2
treatments in both drylands and non-drylands, with a statistically stronger response over drylands (17% vs. 9%). Given the inherent water limitation in drylands, it is suggested that the additional soil water availability is a likely driver of observed increases in vegetation greenness.</abstract><cop>London</cop><pub>Nature Publishing Group UK</pub><pmid>26869389</pmid><doi>10.1038/srep20716</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 704/158/2165 704/158/2445 Arid zones Carbon dioxide Greening Humanities and Social Sciences Land management Moisture content multidisciplinary Science Soil texture Soil water Statistical analysis Vegetation Water availability Water content |
| title | Elevated CO2 as a driver of global dryland greening |
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