Species richness and traits predict overyielding in stem growth in an early-successional tree diversity experiment.
Identifieur interne : 000B99 ( Main/Curation ); précédent : 000B98; suivant : 000C00Species richness and traits predict overyielding in stem growth in an early-successional tree diversity experiment.
Auteurs : Jake J. Grossman [États-Unis] ; Jeannine Cavender-Bares [États-Unis] ; Sarah E. Hobbie [États-Unis] ; Peter B. Reich [États-Unis, Australie] ; Rebecca A. Montgomery [États-Unis]Source :
- Ecology [ 0012-9658 ] ; 2017.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Arbres.
- classification : Arbres, Biodiversité, Biomasse, Minnesota, Phylogenèse, Écosystème.
English descriptors
- KwdEn :
- MESH :
Abstract
Over the last two decades, empirical work has established that higher biodiversity can lead to greater primary productivity; however, the importance of different aspects of biodiversity in contributing to such relationships is rarely elucidated. We assessed the relative importance of species richness, phylogenetic diversity, functional diversity, and identity of neighbors for stem growth 3 yr after seedling establishment in a tree diversity experiment in eastern Minnesota. Generally, we found that community-weighted means of key functional traits (including mycorrhizal association, leaf nitrogen and calcium, and waterlogging tolerance) as well as species richness were strong, independent predictors of stem biomass growth. More phylogenetically diverse communities did not consistently produce more biomass than expected, and the trait values or diversity of individual functional traits better predicted biomass production than did a multidimensional functional diversity metric. Furthermore, functional traits and species richness best predicted growth at the whole-plot level (12 m2 ), whereas neighborhood composition best predicted growth at the focal tree level (0.25 m2 ). The observed effects of biodiversity on growth appear strongly driven by positive complementary effects rather than by species-specific selection effects, suggesting that synergistic species' interactions rather than the influence of a few important species may drive overyielding.
DOI: 10.1002/ecy.1958
PubMed: 28727905
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We assessed the relative importance of species richness, phylogenetic diversity, functional diversity, and identity of neighbors for stem growth 3 yr after seedling establishment in a tree diversity experiment in eastern Minnesota. Generally, we found that community-weighted means of key functional traits (including mycorrhizal association, leaf nitrogen and calcium, and waterlogging tolerance) as well as species richness were strong, independent predictors of stem biomass growth. More phylogenetically diverse communities did not consistently produce more biomass than expected, and the trait values or diversity of individual functional traits better predicted biomass production than did a multidimensional functional diversity metric. Furthermore, functional traits and species richness best predicted growth at the whole-plot level (12 m<sup>2</sup> ), whereas neighborhood composition best predicted growth at the focal tree level (0.25 m<sup>2</sup> ). The observed effects of biodiversity on growth appear strongly driven by positive complementary effects rather than by species-specific selection effects, suggesting that synergistic species' interactions rather than the influence of a few important species may drive overyielding.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">28727905</PMID><DateCompleted><Year>2018</Year><Month>10</Month><Day>18</Day></DateCompleted><DateRevised><Year>2018</Year><Month>10</Month><Day>18</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0012-9658</ISSN><JournalIssue CitedMedium="Print"><Volume>98</Volume><Issue>10</Issue><PubDate><Year>2017</Year><Month>Oct</Month></PubDate></JournalIssue><Title>Ecology</Title><ISOAbbreviation>Ecology</ISOAbbreviation></Journal><ArticleTitle>Species richness and traits predict overyielding in stem growth in an early-successional tree diversity experiment.</ArticleTitle><Pagination><MedlinePgn>2601-2614</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1002/ecy.1958</ELocationID><Abstract><AbstractText>Over the last two decades, empirical work has established that higher biodiversity can lead to greater primary productivity; however, the importance of different aspects of biodiversity in contributing to such relationships is rarely elucidated. We assessed the relative importance of species richness, phylogenetic diversity, functional diversity, and identity of neighbors for stem growth 3 yr after seedling establishment in a tree diversity experiment in eastern Minnesota. Generally, we found that community-weighted means of key functional traits (including mycorrhizal association, leaf nitrogen and calcium, and waterlogging tolerance) as well as species richness were strong, independent predictors of stem biomass growth. More phylogenetically diverse communities did not consistently produce more biomass than expected, and the trait values or diversity of individual functional traits better predicted biomass production than did a multidimensional functional diversity metric. Furthermore, functional traits and species richness best predicted growth at the whole-plot level (12 m<sup>2</sup> ), whereas neighborhood composition best predicted growth at the focal tree level (0.25 m<sup>2</sup> ). The observed effects of biodiversity on growth appear strongly driven by positive complementary effects rather than by species-specific selection effects, suggesting that synergistic species' interactions rather than the influence of a few important species may drive overyielding.</AbstractText><CopyrightInformation>© 2017 by the Ecological Society of America.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Grossman</LastName><ForeName>Jake J</ForeName><Initials>JJ</Initials><AffiliationInfo><Affiliation>Department of Ecology, Evolution, and Behavior, University of Minnesota, Twin Cities, 140 Gortner Laboratory, 1479 Gortner Ave., St. Paul, Minnesota, 55108, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Cavender-Bares</LastName><ForeName>Jeannine</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Department of Ecology, Evolution, and Behavior, University of Minnesota, Twin Cities, 140 Gortner Laboratory, 1479 Gortner Ave., St. Paul, Minnesota, 55108, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hobbie</LastName><ForeName>Sarah E</ForeName><Initials>SE</Initials><AffiliationInfo><Affiliation>Department of Ecology, Evolution, and Behavior, University of Minnesota, Twin Cities, 140 Gortner Laboratory, 1479 Gortner Ave., St. Paul, Minnesota, 55108, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Reich</LastName><ForeName>Peter B</ForeName><Initials>PB</Initials><AffiliationInfo><Affiliation>Department of Forest Resources, University of Minnesota, Twin Cities, 115 Green Hall, 1530 Cleveland Ave. N., St. Paul, Minnesota, 55108, USA.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Hawkesbury Institute for the Environment, Western Sydney University, Locked Bag 1797, Penrith, New South Wales, Australia.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Montgomery</LastName><ForeName>Rebecca A</ForeName><Initials>RA</Initials><AffiliationInfo><Affiliation>Department of Forest Resources, University of Minnesota, Twin Cities, 115 Green Hall, 1530 Cleveland Ave. N., St. Paul, Minnesota, 55108, USA.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Ecology</MedlineTA><NlmUniqueID>0043541</NlmUniqueID><ISSNLinking>0012-9658</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D044822" MajorTopicYN="Y">Biodiversity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D018533" MajorTopicYN="N">Biomass</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008910" MajorTopicYN="N">Minnesota</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D010802" MajorTopicYN="N">Phylogeny</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014197" MajorTopicYN="N">Trees</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">IDENT</Keyword><Keyword MajorTopicYN="N">biodiversity-ecosystem functioning</Keyword><Keyword MajorTopicYN="N">complementarity</Keyword><Keyword MajorTopicYN="N">ecological scale</Keyword><Keyword MajorTopicYN="N">forest diversity</Keyword><Keyword MajorTopicYN="N">leaf economic spectrum</Keyword><Keyword MajorTopicYN="N">mass-ratio hypothesis</Keyword><Keyword MajorTopicYN="N">mycorrhizae</Keyword><Keyword MajorTopicYN="N">phylogenetic diversity</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>12</Month><Day>19</Day></PubMedPubDate><PubMedPubDate PubStatus="revised"><Year>2017</Year><Month>05</Month><Day>03</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2017</Year><Month>07</Month><Day>10</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2017</Year><Month>7</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2018</Year><Month>10</Month><Day>20</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2017</Year><Month>7</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">28727905</ArticleId><ArticleId IdType="doi">10.1002/ecy.1958</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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