AustralieFrV1, Main, Exploration, bibRecord, 005C11

Global convergence in the vulnerability of forests to drought

Identifieur interne : 005C11 ( Main/Exploration ); précédent : 005C10; suivant : 005C12

Global convergence in the vulnerability of forests to drought

Auteurs : Brendan Choat [Australie] ; Steven Jansen [Allemagne] ; Tim J. Brodribb [Australie] ; Herve Cochard [France] ; Sylvain Delzon [France] ; Radika Bhaskar [États-Unis] ; Sandra J. Bucci [Argentine] ; Taylor S. Feild [Australie] ; Sean M. Gleason [Australie] ; Uwe G. Hacke [Canada] ; Anna L. Jacobsen [États-Unis] ; Frederic Lens [Pays-Bas] ; Hafiz Maherali [Canada] ; Jordi Martinez-Vilalta [Espagne] ; Stefan Mayr [Autriche] ; Maurizio Mencuccini [Espagne, Royaume-Uni] ; Patrick J. Mitchell [Australie] ; Andrea Nardini [Italie] ; Jarmila Pittermann [États-Unis] ; R. Brandon Pratt [États-Unis] ; John S. Sperry [États-Unis] ; Mark Westoby [Australie] ; Ian J. Wright [Australie] ; Amy E. Zanne [États-Unis]

Source :

Nature : (London) [ 0028-0836 ] ; 2012.

RBID : Pascal:13-0008679

Descripteurs français

Pascal (Inist)
- Forêt, Sensibilité résistance, Vulnérabilité, Sécheresse, Réchauffement, Changement climatique, Monde, Angiospermae, Gymnospermae.
Wicri :
- topic : Forêt, Sécheresse, Changement climatique.

English descriptors

KwdEn :
- Angiospermae, Climate change, Drought, Forests, Gymnospermae, Sensitivity resistance, Vulnerability, Warming, World.

Abstract

Shifts in rainfall patterns and increasing temperatures associated with climate change are likely to cause widespread forest decline in regions where droughts are predicted to increase in duration and severity'. One primary cause of productivity loss and plant mortality during drought is hydraulic failure^2-4. Drought stress creates trapped gas emboli in the water transport system, which reduces the ability of plants to supply water to leaves for photosynthetic gas exchange and can ultimately result in desiccation and mortality. At present we lack a clear picture of how thresholds to hydraulic failure vary across a broad range of species and environments, despite many individual experiments. Here we draw together published and unpublished data on the vulnerability of the transport system to drought-induced embolism for a large number of woody species, with a view to examining the likely consequences of climate change for forest biomes. We show that 70% of 226 forest species from 81 sites worldwide operate with narrow (<1 megapascal) hydraulic safety margins against injurious levels of drought stress and therefore potentially face long-term reductions in productivity and survival if temperature and aridity increase as predicted for many regions across the globe^5,6. Safety margins are largely independent of mean annual precipitation, showing that there is global convergence in the vulnerability of forests to drought, with all forest biomes equally vulnerable to hydraulic failure regardless of their current rainfall environment. These findings provide insight into why drought-induced forest decline is occurring not only in arid regions but also in wet forests not normally considered at drought risk^7,8.

Affiliations:

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Le document en format XML

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<author><name sortKey="Bhaskar, Radika" sort="Bhaskar, Radika" uniqKey="Bhaskar R" first="Radika" last="Bhaskar">Radika Bhaskar</name>
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<orgName type="university">Université Brown</orgName>
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</affiliation>
</author>
<author><name sortKey="Bucci, Sandra J" sort="Bucci, Sandra J" uniqKey="Bucci S" first="Sandra J." last="Bucci">Sandra J. Bucci</name>
<affiliation wicri:level="1"><inist:fA14 i1="08"><s1>Universidad Nacional de la Patagonia San Juan Bosco, Departmento de Biologia, Facultad de Ciencias Naturales</s1>
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<s3>ARG</s3>
<sZ>7 aut.</sZ>
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<affiliation wicri:level="1"><inist:fA14 i1="09"><s1>James Cook University, School of Marine and Tropical Biology</s1>
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<s3>AUS</s3>
<sZ>8 aut.</sZ>
</inist:fA14>
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<affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Macquarie University, Department of Biological Sciences</s1>
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<author><name sortKey="Hacke, Uwe G" sort="Hacke, Uwe G" uniqKey="Hacke U" first="Uwe G." last="Hacke">Uwe G. Hacke</name>
<affiliation wicri:level="1"><inist:fA14 i1="11"><s1>University of Alberta, Departmentof Renewable Resources</s1>
<s2>Edmonton, Alberta T6G 2E3</s2>
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<sZ>10 aut.</sZ>
</inist:fA14>
<country>Canada</country>
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</affiliation>
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<author><name sortKey="Jacobsen, Anna L" sort="Jacobsen, Anna L" uniqKey="Jacobsen A" first="Anna L." last="Jacobsen">Anna L. Jacobsen</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>California State University, Department of Biology</s1>
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<s3>USA</s3>
<sZ>11 aut.</sZ>
<sZ>20 aut.</sZ>
</inist:fA14>
<country>États-Unis</country>
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</affiliation>
</author>
<author><name sortKey="Lens, Frederic" sort="Lens, Frederic" uniqKey="Lens F" first="Frederic" last="Lens">Frederic Lens</name>
<affiliation wicri:level="1"><inist:fA14 i1="13"><s1>Naturalis Biodiversity Centre, Leiden University, PO Box 9514</s1>
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<s3>NLD</s3>
<sZ>12 aut.</sZ>
</inist:fA14>
<country>Pays-Bas</country>
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<author><name sortKey="Maherali, Hafiz" sort="Maherali, Hafiz" uniqKey="Maherali H" first="Hafiz" last="Maherali">Hafiz Maherali</name>
<affiliation wicri:level="1"><inist:fA14 i1="14"><s1>University of Guelph, Department of Integrative Biology, 50 Stone Road East</s1>
<s2>Guelph, Ontario N1G 2W1</s2>
<s3>CAN</s3>
<sZ>13 aut.</sZ>
</inist:fA14>
<country>Canada</country>
<wicri:noRegion>Guelph, Ontario N1G 2W1</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Martinez Vilalta, Jordi" sort="Martinez Vilalta, Jordi" uniqKey="Martinez Vilalta J" first="Jordi" last="Martinez-Vilalta">Jordi Martinez-Vilalta</name>
<affiliation wicri:level="2"><inist:fA14 i1="15"><s1>CREAF, Cerdanyola del Vallès 08193</s1>
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<sZ>14 aut.</sZ>
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<country>Espagne</country>
<placeName><region nuts="2" type="communauté">Catalogne</region>
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</affiliation>
<affiliation wicri:level="2"><inist:fA14 i1="16"><s1>Universitat Autònoma Barcelona, Cerdanyola del Vallès 08193</s1>
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<sZ>14 aut.</sZ>
</inist:fA14>
<country>Espagne</country>
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</affiliation>
</author>
<author><name sortKey="Mayr, Stefan" sort="Mayr, Stefan" uniqKey="Mayr S" first="Stefan" last="Mayr">Stefan Mayr</name>
<affiliation wicri:level="1"><inist:fA14 i1="17"><s1>University Innsbruck, Institut fur Botank, Sternwartestrasse 15</s1>
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<sZ>15 aut.</sZ>
</inist:fA14>
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</author>
<author><name sortKey="Mencuccini, Maurizio" sort="Mencuccini, Maurizio" uniqKey="Mencuccini M" first="Maurizio" last="Mencuccini">Maurizio Mencuccini</name>
<affiliation wicri:level="2"><inist:fA14 i1="18"><s1>ICREA at CREAF, Univ Autònoma Barcelona</s1>
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<country>Espagne</country>
<placeName><region nuts="2" type="communauté">Catalogne</region>
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<affiliation wicri:level="4"><inist:fA14 i1="19"><s1>University of Edinburgh, School of GeoSciences, Crew Building, West Mains Road</s1>
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<sZ>16 aut.</sZ>
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<country>Royaume-Uni</country>
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<placeName><settlement type="city">Édimbourg</settlement>
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</affiliation>
</author>
<author><name sortKey="Mitchell, Patrick J" sort="Mitchell, Patrick J" uniqKey="Mitchell P" first="Patrick J." last="Mitchell">Patrick J. Mitchell</name>
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<country>Australie</country>
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<author><name sortKey="Nardini, Andrea" sort="Nardini, Andrea" uniqKey="Nardini A" first="Andrea" last="Nardini">Andrea Nardini</name>
<affiliation wicri:level="1"><inist:fA14 i1="21"><s1>Università di Trieste, Dipartimento di Scienze della Vita, Via L. Giorgieri 10</s1>
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<sZ>18 aut.</sZ>
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<author><name sortKey="Pittermann, Jarmila" sort="Pittermann, Jarmila" uniqKey="Pittermann J" first="Jarmila" last="Pittermann">Jarmila Pittermann</name>
<affiliation wicri:level="1"><inist:fA14 i1="22"><s1>University of California, Santa Cruz, Department of Ecology and Evolutionary Biology</s1>
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<author><name sortKey="Brandon Pratt, R" sort="Brandon Pratt, R" uniqKey="Brandon Pratt R" first="R." last="Brandon Pratt">R. Brandon Pratt</name>
<affiliation wicri:level="1"><inist:fA14 i1="12"><s1>California State University, Department of Biology</s1>
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<author><name sortKey="Sperry, John S" sort="Sperry, John S" uniqKey="Sperry J" first="John S." last="Sperry">John S. Sperry</name>
<affiliation wicri:level="1"><inist:fA14 i1="23"><s1>University of Utah, Department of Biology, 257 South 1400 East</s1>
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<author><name sortKey="Westoby, Mark" sort="Westoby, Mark" uniqKey="Westoby M" first="Mark" last="Westoby">Mark Westoby</name>
<affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Macquarie University, Department of Biological Sciences</s1>
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<sZ>9 aut.</sZ>
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<author><name sortKey="Wright, Ian J" sort="Wright, Ian J" uniqKey="Wright I" first="Ian J." last="Wright">Ian J. Wright</name>
<affiliation wicri:level="1"><inist:fA14 i1="10"><s1>Macquarie University, Department of Biological Sciences</s1>
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<sZ>9 aut.</sZ>
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<country>Australie</country>
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</affiliation>
</author>
<author><name sortKey="Zanne, Amy E" sort="Zanne, Amy E" uniqKey="Zanne A" first="Amy E." last="Zanne">Amy E. Zanne</name>
<affiliation wicri:level="1"><inist:fA14 i1="24"><s1>Missouri Botanical Garden, Center for Conservation and Sustainable Development</s1>
<s2>St. Louis, Missouri 63166</s2>
<s3>USA</s3>
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<wicri:noRegion>St. Louis, Missouri 63166</wicri:noRegion>
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<affiliation wicri:level="1"><inist:fA14 i1="25"><s1>George Washington University, Department of Biological Sciences, 2023 G Street NW</s1>
<s2>Washington DC 20052</s2>
<s3>USA</s3>
<sZ>24 aut.</sZ>
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<country>États-Unis</country>
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</analytic>
<series><title level="j" type="main">Nature : (London)</title>
<title level="j" type="abbreviated">Nature : (Lond.)</title>
<idno type="ISSN">0028-0836</idno>
<imprint><date when="2012">2012</date>
</imprint>
</series>
</biblStruct>
</sourceDesc>
<seriesStmt><title level="j" type="main">Nature : (London)</title>
<title level="j" type="abbreviated">Nature : (Lond.)</title>
<idno type="ISSN">0028-0836</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Angiospermae</term>
<term>Climate change</term>
<term>Drought</term>
<term>Forests</term>
<term>Gymnospermae</term>
<term>Sensitivity resistance</term>
<term>Vulnerability</term>
<term>Warming</term>
<term>World</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Forêt</term>
<term>Sensibilité résistance</term>
<term>Vulnérabilité</term>
<term>Sécheresse</term>
<term>Réchauffement</term>
<term>Changement climatique</term>
<term>Monde</term>
<term>Angiospermae</term>
<term>Gymnospermae</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Forêt</term>
<term>Sécheresse</term>
<term>Changement climatique</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Shifts in rainfall patterns and increasing temperatures associated with climate change are likely to cause widespread forest decline in regions where droughts are predicted to increase in duration and severity'. One primary cause of productivity loss and plant mortality during drought is hydraulic failure<sup>2-4</sup>
. Drought stress creates trapped gas emboli in the water transport system, which reduces the ability of plants to supply water to leaves for photosynthetic gas exchange and can ultimately result in desiccation and mortality. At present we lack a clear picture of how thresholds to hydraulic failure vary across a broad range of species and environments, despite many individual experiments. Here we draw together published and unpublished data on the vulnerability of the transport system to drought-induced embolism for a large number of woody species, with a view to examining the likely consequences of climate change for forest biomes. We show that 70% of 226 forest species from 81 sites worldwide operate with narrow (<1 megapascal) hydraulic safety margins against injurious levels of drought stress and therefore potentially face long-term reductions in productivity and survival if temperature and aridity increase as predicted for many regions across the globe<sup>5,6</sup>
. Safety margins are largely independent of mean annual precipitation, showing that there is global convergence in the vulnerability of forests to drought, with all forest biomes equally vulnerable to hydraulic failure regardless of their current rainfall environment. These findings provide insight into why drought-induced forest decline is occurring not only in arid regions but also in wet forests not normally considered at drought risk<sup>7,8</sup>
.</div>
</front>
</TEI>
<affiliations><list><country><li>Allemagne</li>
<li>Argentine</li>
<li>Australie</li>
<li>Autriche</li>
<li>Canada</li>
<li>Espagne</li>
<li>France</li>
<li>Italie</li>
<li>Pays-Bas</li>
<li>Royaume-Uni</li>
<li>États-Unis</li>
</country>
<region><li>Catalogne</li>
<li>District de Columbia</li>
<li>Rhode Island</li>
<li>Écosse</li>
</region>
<settlement><li>Providence (Rhode Island)</li>
<li>Washington (district de Columbia)</li>
<li>Édimbourg</li>
</settlement>
<orgName><li>Université Brown</li>
<li>Université d'Édimbourg</li>
</orgName>
</list>
<tree><country name="Australie"><noRegion><name sortKey="Choat, Brendan" sort="Choat, Brendan" uniqKey="Choat B" first="Brendan" last="Choat">Brendan Choat</name>
</noRegion>
<name sortKey="Brodribb, Tim J" sort="Brodribb, Tim J" uniqKey="Brodribb T" first="Tim J." last="Brodribb">Tim J. Brodribb</name>
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<name sortKey="Gleason, Sean M" sort="Gleason, Sean M" uniqKey="Gleason S" first="Sean M." last="Gleason">Sean M. Gleason</name>
<name sortKey="Mitchell, Patrick J" sort="Mitchell, Patrick J" uniqKey="Mitchell P" first="Patrick J." last="Mitchell">Patrick J. Mitchell</name>
<name sortKey="Westoby, Mark" sort="Westoby, Mark" uniqKey="Westoby M" first="Mark" last="Westoby">Mark Westoby</name>
<name sortKey="Wright, Ian J" sort="Wright, Ian J" uniqKey="Wright I" first="Ian J." last="Wright">Ian J. Wright</name>
</country>
<country name="Allemagne"><noRegion><name sortKey="Jansen, Steven" sort="Jansen, Steven" uniqKey="Jansen S" first="Steven" last="Jansen">Steven Jansen</name>
</noRegion>
</country>
<country name="France"><noRegion><name sortKey="Cochard, Herve" sort="Cochard, Herve" uniqKey="Cochard H" first="Herve" last="Cochard">Herve Cochard</name>
</noRegion>
<name sortKey="Cochard, Herve" sort="Cochard, Herve" uniqKey="Cochard H" first="Herve" last="Cochard">Herve Cochard</name>
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</country>
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<name sortKey="Pittermann, Jarmila" sort="Pittermann, Jarmila" uniqKey="Pittermann J" first="Jarmila" last="Pittermann">Jarmila Pittermann</name>
<name sortKey="Sperry, John S" sort="Sperry, John S" uniqKey="Sperry J" first="John S." last="Sperry">John S. Sperry</name>
<name sortKey="Zanne, Amy E" sort="Zanne, Amy E" uniqKey="Zanne A" first="Amy E." last="Zanne">Amy E. Zanne</name>
<name sortKey="Zanne, Amy E" sort="Zanne, Amy E" uniqKey="Zanne A" first="Amy E." last="Zanne">Amy E. Zanne</name>
</country>
<country name="Argentine"><noRegion><name sortKey="Bucci, Sandra J" sort="Bucci, Sandra J" uniqKey="Bucci S" first="Sandra J." last="Bucci">Sandra J. Bucci</name>
</noRegion>
</country>
<country name="Canada"><noRegion><name sortKey="Hacke, Uwe G" sort="Hacke, Uwe G" uniqKey="Hacke U" first="Uwe G." last="Hacke">Uwe G. Hacke</name>
</noRegion>
<name sortKey="Maherali, Hafiz" sort="Maherali, Hafiz" uniqKey="Maherali H" first="Hafiz" last="Maherali">Hafiz Maherali</name>
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<country name="Pays-Bas"><noRegion><name sortKey="Lens, Frederic" sort="Lens, Frederic" uniqKey="Lens F" first="Frederic" last="Lens">Frederic Lens</name>
</noRegion>
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</region>
<name sortKey="Martinez Vilalta, Jordi" sort="Martinez Vilalta, Jordi" uniqKey="Martinez Vilalta J" first="Jordi" last="Martinez-Vilalta">Jordi Martinez-Vilalta</name>
<name sortKey="Mencuccini, Maurizio" sort="Mencuccini, Maurizio" uniqKey="Mencuccini M" first="Maurizio" last="Mencuccini">Maurizio Mencuccini</name>
</country>
<country name="Autriche"><noRegion><name sortKey="Mayr, Stefan" sort="Mayr, Stefan" uniqKey="Mayr S" first="Stefan" last="Mayr">Stefan Mayr</name>
</noRegion>
</country>
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</country>
<country name="Italie"><noRegion><name sortKey="Nardini, Andrea" sort="Nardini, Andrea" uniqKey="Nardini A" first="Andrea" last="Nardini">Andrea Nardini</name>
</noRegion>
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</record>

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Serveur d'exploration sur les relations entre la France et l'Australie

Global convergence in the vulnerability of forests to drought

Global convergence in the vulnerability of forests to drought

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