Demographic controls of aboveground forest biomass across North America.
Identifieur interne : 001928 ( Main/Exploration ); précédent : 001927; suivant : 001929Demographic controls of aboveground forest biomass across North America.
Auteurs : Mark C. Vanderwel [Canada, États-Unis] ; Hongcheng Zeng [Canada] ; John P. Caspersen [Canada] ; Georges Kunstler [France] ; Jeremy W. Lichstein [États-Unis]Source :
- Ecology letters [ 1461-0248 ] ; 2016.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Arbres.
- physiologie : Arbres.
- Amérique du Nord, Biodiversité, Biomasse, Forêts, Modèles biologiques, Temps, Écosystème.
English descriptors
- KwdEn :
- MESH :
- growth & development : Trees.
- physiology : Trees.
- Biodiversity, Biomass, Ecosystem, Forests, Models, Biological, North America, Time.
Abstract
Ecologists have limited understanding of how geographic variation in forest biomass arises from differences in growth and mortality at continental to global scales. Using forest inventories from across North America, we partitioned continental-scale variation in biomass growth and mortality rates of 49 tree species groups into (1) species-independent spatial effects and (2) inherent differences in demographic performance among species. Spatial factors that were separable from species composition explained 83% and 51% of the respective variation in growth and mortality. Moderate additional variation in mortality (26%) was attributable to differences in species composition. Age-dependent biomass models showed that variation in forest biomass can be explained primarily by spatial gradients in growth that were unrelated to species composition. Species-dependent patterns of mortality explained additional variation in biomass, with forests supporting less biomass when dominated by species that are highly susceptible to competition (e.g. Populus spp.) or to biotic disturbances (e.g. Abies balsamea).
DOI: 10.1111/ele.12574
PubMed: 26913575
Affiliations:
- Canada, France, États-Unis
- Auvergne-Rhône-Alpes, Ontario, Rhône-Alpes, Saskatchewan
- Regina, Toronto
- Université de Regina, Université de Toronto
Links toward previous steps (curation, corpus...)
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Lichstein</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biology, University of Florida, Gainesville, FL, 32611, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biology, University of Florida, Gainesville, FL, 32611</wicri:regionArea><wicri:noRegion>32611</wicri:noRegion></affiliation></author></analytic><series><title level="j">Ecology letters</title><idno type="eISSN">1461-0248</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodiversity (MeSH)</term><term>Biomass (MeSH)</term><term>Ecosystem (MeSH)</term><term>Forests (MeSH)</term><term>Models, Biological (MeSH)</term><term>North America (MeSH)</term><term>Time (MeSH)</term><term>Trees (growth & development)</term><term>Trees (physiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Amérique du Nord (MeSH)</term><term>Arbres (croissance et développement)</term><term>Arbres (physiologie)</term><term>Biodiversité (MeSH)</term><term>Biomasse (MeSH)</term><term>Forêts (MeSH)</term><term>Modèles biologiques (MeSH)</term><term>Temps (MeSH)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Arbres</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Trees</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Arbres</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Trees</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Biodiversity</term><term>Biomass</term><term>Ecosystem</term><term>Forests</term><term>Models, Biological</term><term>North America</term><term>Time</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Amérique du Nord</term><term>Biodiversité</term><term>Biomasse</term><term>Forêts</term><term>Modèles biologiques</term><term>Temps</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Ecologists have limited understanding of how geographic variation in forest biomass arises from differences in growth and mortality at continental to global scales. Using forest inventories from across North America, we partitioned continental-scale variation in biomass growth and mortality rates of 49 tree species groups into (1) species-independent spatial effects and (2) inherent differences in demographic performance among species. Spatial factors that were separable from species composition explained 83% and 51% of the respective variation in growth and mortality. Moderate additional variation in mortality (26%) was attributable to differences in species composition. Age-dependent biomass models showed that variation in forest biomass can be explained primarily by spatial gradients in growth that were unrelated to species composition. Species-dependent patterns of mortality explained additional variation in biomass, with forests supporting less biomass when dominated by species that are highly susceptible to competition (e.g. Populus spp.) or to biotic disturbances (e.g. Abies balsamea). </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">26913575</PMID><DateCompleted><Year>2016</Year><Month>12</Month><Day>13</Day></DateCompleted><DateRevised><Year>2016</Year><Month>12</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1461-0248</ISSN><JournalIssue CitedMedium="Internet"><Volume>19</Volume><Issue>4</Issue><PubDate><Year>2016</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Ecology letters</Title><ISOAbbreviation>Ecol Lett</ISOAbbreviation></Journal><ArticleTitle>Demographic controls of aboveground forest biomass across North America.</ArticleTitle><Pagination><MedlinePgn>414-23</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/ele.12574</ELocationID><Abstract><AbstractText>Ecologists have limited understanding of how geographic variation in forest biomass arises from differences in growth and mortality at continental to global scales. Using forest inventories from across North America, we partitioned continental-scale variation in biomass growth and mortality rates of 49 tree species groups into (1) species-independent spatial effects and (2) inherent differences in demographic performance among species. Spatial factors that were separable from species composition explained 83% and 51% of the respective variation in growth and mortality. Moderate additional variation in mortality (26%) was attributable to differences in species composition. Age-dependent biomass models showed that variation in forest biomass can be explained primarily by spatial gradients in growth that were unrelated to species composition. Species-dependent patterns of mortality explained additional variation in biomass, with forests supporting less biomass when dominated by species that are highly susceptible to competition (e.g. Populus spp.) or to biotic disturbances (e.g. Abies balsamea). </AbstractText><CopyrightInformation>© 2016 John Wiley & Sons Ltd/CNRS.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Vanderwel</LastName><ForeName>Mark C</ForeName><Initials>MC</Initials><AffiliationInfo><Affiliation>Department of Biology, University of Regina, 3737 Wascana Pkwy, Regina, SK, S4S 0A2, Canada.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Biology, University of Florida, Gainesville, FL, 32611, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Zeng</LastName><ForeName>Hongcheng</ForeName><Initials>H</Initials><AffiliationInfo><Affiliation>Faculty of Forestry, University of Toronto, 33 Willcocks St., Toronto, ON, M5S 3B3, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Caspersen</LastName><ForeName>John P</ForeName><Initials>JP</Initials><AffiliationInfo><Affiliation>Faculty of Forestry, University of Toronto, 33 Willcocks St., Toronto, ON, M5S 3B3, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Kunstler</LastName><ForeName>Georges</ForeName><Initials>G</Initials><AffiliationInfo><Affiliation>Irstea, UR EMGR, 2 rue de la Papeterie-BP 76, St-Martin-d'Hères, F-38402, France.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Univ. Grenoble Alpes, Grenoble, F-38402, France.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lichstein</LastName><ForeName>Jeremy W</ForeName><Initials>JW</Initials><AffiliationInfo><Affiliation>Department of Biology, University of Florida, Gainesville, FL, 32611, USA.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>02</Month><Day>23</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Ecol Lett</MedlineTA><NlmUniqueID>101121949</NlmUniqueID><ISSNLinking>1461-023X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D044822" MajorTopicYN="N">Biodiversity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="Y">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D065928" MajorTopicYN="Y">Forests</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008954" MajorTopicYN="Y">Models, Biological</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009656" MajorTopicYN="N">North America</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D013995" MajorTopicYN="N">Time</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">biomass</Keyword><Keyword MajorTopicYN="N">carbon</Keyword><Keyword MajorTopicYN="N">growth</Keyword><Keyword MajorTopicYN="N">mortality</Keyword><Keyword MajorTopicYN="N">productivity</Keyword><Keyword MajorTopicYN="N">trees</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>11</Month><Day>12</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2015</Year><Month>12</Month><Day>09</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>01</Month><Day>05</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>2</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>2</Month><Day>26</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2016</Year><Month>12</Month><Day>15</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">26913575</ArticleId><ArticleId IdType="doi">10.1111/ele.12574</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>Canada</li><li>France</li><li>États-Unis</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Ontario</li><li>Rhône-Alpes</li><li>Saskatchewan</li></region><settlement><li>Regina</li><li>Toronto</li></settlement><orgName><li>Université de Regina</li><li>Université de Toronto</li></orgName></list><tree><country name="Canada"><region name="Saskatchewan"><name sortKey="Vanderwel, Mark C" sort="Vanderwel, Mark C" uniqKey="Vanderwel M" first="Mark C" last="Vanderwel">Mark C. Vanderwel</name></region><name sortKey="Caspersen, John P" sort="Caspersen, John P" uniqKey="Caspersen J" first="John P" last="Caspersen">John P. Caspersen</name><name sortKey="Zeng, Hongcheng" sort="Zeng, Hongcheng" uniqKey="Zeng H" first="Hongcheng" last="Zeng">Hongcheng Zeng</name></country><country name="États-Unis"><noRegion><name sortKey="Vanderwel, Mark C" sort="Vanderwel, Mark C" uniqKey="Vanderwel M" first="Mark C" last="Vanderwel">Mark C. Vanderwel</name></noRegion><name sortKey="Lichstein, Jeremy W" sort="Lichstein, Jeremy W" uniqKey="Lichstein J" first="Jeremy W" last="Lichstein">Jeremy W. Lichstein</name></country><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Kunstler, Georges" sort="Kunstler, Georges" uniqKey="Kunstler G" first="Georges" last="Kunstler">Georges Kunstler</name></region><name sortKey="Kunstler, Georges" sort="Kunstler, Georges" uniqKey="Kunstler G" first="Georges" last="Kunstler">Georges Kunstler</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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