Scale-dependent variation in nitrogen cycling and soil fungal communities along gradients of forest composition and age in regenerating tropical dry forests.
Identifieur interne : 000151 ( Main/Exploration ); précédent : 000150; suivant : 000152Scale-dependent variation in nitrogen cycling and soil fungal communities along gradients of forest composition and age in regenerating tropical dry forests.
Auteurs : Bonnie G. Waring [États-Unis] ; Rachel Adams [États-Unis] ; Sara Branco [États-Unis] ; Jennifer S. Powers [États-Unis]Source :
- The New phytologist [ 1469-8137 ] ; 2016.
Descripteurs français
- KwdFr :
- MESH :
- génétique : Consortiums microbiens, Mycorhizes.
- physiologie : Consortiums microbiens.
- Climat tropical, Costa Rica, Cycle de l'azote, Forêts, Microbiologie du sol.
English descriptors
- KwdEn :
- MESH :
- genetics : Microbial Consortia, Mycorrhizae.
- physiology : Microbial Consortia.
- Costa Rica, Forests, Nitrogen Cycle, Soil Microbiology, Tropical Climate.
Abstract
Rates of ecosystem nitrogen (N) cycling may be mediated by the presence of ectomycorrhizal fungi, which compete directly with free-living microbes for N. In the regenerating tropical dry forests of Central America, the distribution of ectomycorrhizal trees is affected by succession and soil parent material, both of which may exert independent influence over soil N fluxes. In order to quantify these interacting controls, we used a scale-explicit sampling strategy to examine soil N cycling at scales ranging from the microsite to ecosystem level. We measured fungal community composition, total and inorganic N pools, gross proteolytic rate, net N mineralization and microbial extracellular enzyme activity at multiple locations within 18 permanent plots that span dramatic gradients of soil N concentration, stand age and forest composition. The ratio of inorganic to organic N cycling was correlated with variation in fungal community structure, consistent with a strong influence of ectomycorrhiza on ecosystem-scale N cycling. However, on average, > 61% of the variation in soil biogeochemistry occurred within plots, and the effects of forest composition were mediated by this local-scale heterogeneity in total soil N concentrations. These cross-scale interactions demonstrate the importance of a spatially explicit approach towards an understanding of controls on element cycling.
DOI: 10.1111/nph.13654
PubMed: 26390155
Affiliations:
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Waring</name><affiliation wicri:level="1"><nlm:affiliation>Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108</wicri:regionArea><wicri:noRegion>55108</wicri:noRegion></affiliation></author><author><name sortKey="Adams, Rachel" sort="Adams, Rachel" uniqKey="Adams R" first="Rachel" last="Adams">Rachel Adams</name><affiliation wicri:level="1"><nlm:affiliation>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720</wicri:regionArea><wicri:noRegion>94720</wicri:noRegion></affiliation></author><author><name sortKey="Branco, Sara" sort="Branco, Sara" uniqKey="Branco S" first="Sara" last="Branco">Sara Branco</name><affiliation wicri:level="1"><nlm:affiliation>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720</wicri:regionArea><wicri:noRegion>94720</wicri:noRegion></affiliation></author><author><name sortKey="Powers, Jennifer S" sort="Powers, Jennifer S" uniqKey="Powers J" first="Jennifer S" last="Powers">Jennifer S. 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Waring</name><affiliation wicri:level="1"><nlm:affiliation>Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108</wicri:regionArea><wicri:noRegion>55108</wicri:noRegion></affiliation></author><author><name sortKey="Adams, Rachel" sort="Adams, Rachel" uniqKey="Adams R" first="Rachel" last="Adams">Rachel Adams</name><affiliation wicri:level="1"><nlm:affiliation>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720</wicri:regionArea><wicri:noRegion>94720</wicri:noRegion></affiliation></author><author><name sortKey="Branco, Sara" sort="Branco, Sara" uniqKey="Branco S" first="Sara" last="Branco">Sara Branco</name><affiliation wicri:level="1"><nlm:affiliation>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720</wicri:regionArea><wicri:noRegion>94720</wicri:noRegion></affiliation></author><author><name sortKey="Powers, Jennifer S" sort="Powers, Jennifer S" uniqKey="Powers J" first="Jennifer S" last="Powers">Jennifer S. Powers</name><affiliation wicri:level="1"><nlm:affiliation>Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108</wicri:regionArea><wicri:noRegion>55108</wicri:noRegion></affiliation><affiliation wicri:level="1"><nlm:affiliation>Department of Plant Biology, University of Minnesota, St Paul, MN, 55108, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant Biology, University of Minnesota, St Paul, MN, 55108</wicri:regionArea><wicri:noRegion>55108</wicri:noRegion></affiliation></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Costa Rica (MeSH)</term><term>Forests (MeSH)</term><term>Microbial Consortia (genetics)</term><term>Microbial Consortia (physiology)</term><term>Mycorrhizae (genetics)</term><term>Nitrogen Cycle (MeSH)</term><term>Soil Microbiology (MeSH)</term><term>Tropical Climate (MeSH)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Climat tropical (MeSH)</term><term>Consortiums microbiens (génétique)</term><term>Consortiums microbiens (physiologie)</term><term>Costa Rica (MeSH)</term><term>Cycle de l'azote (MeSH)</term><term>Forêts (MeSH)</term><term>Microbiologie du sol (MeSH)</term><term>Mycorhizes (génétique)</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Microbial Consortia</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="génétique" xml:lang="fr"><term>Consortiums microbiens</term><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="physiologie" xml:lang="fr"><term>Consortiums microbiens</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Microbial Consortia</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Costa Rica</term><term>Forests</term><term>Nitrogen Cycle</term><term>Soil Microbiology</term><term>Tropical Climate</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Climat tropical</term><term>Costa Rica</term><term>Cycle de l'azote</term><term>Forêts</term><term>Microbiologie du sol</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Rates of ecosystem nitrogen (N) cycling may be mediated by the presence of ectomycorrhizal fungi, which compete directly with free-living microbes for N. In the regenerating tropical dry forests of Central America, the distribution of ectomycorrhizal trees is affected by succession and soil parent material, both of which may exert independent influence over soil N fluxes. In order to quantify these interacting controls, we used a scale-explicit sampling strategy to examine soil N cycling at scales ranging from the microsite to ecosystem level. We measured fungal community composition, total and inorganic N pools, gross proteolytic rate, net N mineralization and microbial extracellular enzyme activity at multiple locations within 18 permanent plots that span dramatic gradients of soil N concentration, stand age and forest composition. The ratio of inorganic to organic N cycling was correlated with variation in fungal community structure, consistent with a strong influence of ectomycorrhiza on ecosystem-scale N cycling. However, on average, > 61% of the variation in soil biogeochemistry occurred within plots, and the effects of forest composition were mediated by this local-scale heterogeneity in total soil N concentrations. These cross-scale interactions demonstrate the importance of a spatially explicit approach towards an understanding of controls on element cycling. </div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">26390155</PMID><DateCompleted><Year>2016</Year><Month>12</Month><Day>13</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1469-8137</ISSN><JournalIssue CitedMedium="Internet"><Volume>209</Volume><Issue>2</Issue><PubDate><Year>2016</Year><Month>Jan</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Scale-dependent variation in nitrogen cycling and soil fungal communities along gradients of forest composition and age in regenerating tropical dry forests.</ArticleTitle><Pagination><MedlinePgn>845-54</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.13654</ELocationID><Abstract><AbstractText>Rates of ecosystem nitrogen (N) cycling may be mediated by the presence of ectomycorrhizal fungi, which compete directly with free-living microbes for N. In the regenerating tropical dry forests of Central America, the distribution of ectomycorrhizal trees is affected by succession and soil parent material, both of which may exert independent influence over soil N fluxes. In order to quantify these interacting controls, we used a scale-explicit sampling strategy to examine soil N cycling at scales ranging from the microsite to ecosystem level. We measured fungal community composition, total and inorganic N pools, gross proteolytic rate, net N mineralization and microbial extracellular enzyme activity at multiple locations within 18 permanent plots that span dramatic gradients of soil N concentration, stand age and forest composition. The ratio of inorganic to organic N cycling was correlated with variation in fungal community structure, consistent with a strong influence of ectomycorrhiza on ecosystem-scale N cycling. However, on average, > 61% of the variation in soil biogeochemistry occurred within plots, and the effects of forest composition were mediated by this local-scale heterogeneity in total soil N concentrations. These cross-scale interactions demonstrate the importance of a spatially explicit approach towards an understanding of controls on element cycling. </AbstractText><CopyrightInformation>© 2015 The Authors. New Phytologist © 2015 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Waring</LastName><ForeName>Bonnie G</ForeName><Initials>BG</Initials><AffiliationInfo><Affiliation>Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Adams</LastName><ForeName>Rachel</ForeName><Initials>R</Initials><AffiliationInfo><Affiliation>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Branco</LastName><ForeName>Sara</ForeName><Initials>S</Initials><AffiliationInfo><Affiliation>Department of Plant and Microbial Biology, University of California Berkeley, Berkeley, CA, 94720, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Powers</LastName><ForeName>Jennifer S</ForeName><Initials>JS</Initials><AffiliationInfo><Affiliation>Department of Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108, USA.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Plant Biology, University of Minnesota, St Paul, MN, 55108, 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><PublicationType UI="D013486">Research Support, U.S. Gov't, Non-P.H.S.</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2015</Year><Month>09</Month><Day>21</Day></ArticleDate></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D003364" MajorTopicYN="N">Costa Rica</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D065928" MajorTopicYN="Y">Forests</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D059013" MajorTopicYN="N">Microbial Consortia</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName><QualifierName UI="Q000502" MajorTopicYN="N">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="Y">Mycorrhizae</DescriptorName><QualifierName UI="Q000235" MajorTopicYN="N">genetics</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D058458" MajorTopicYN="Y">Nitrogen Cycle</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="Y">Soil Microbiology</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014329" MajorTopicYN="N">Tropical Climate</DescriptorName></MeshHeading></MeshHeadingList><KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">ectomycorrhizal fungi (EMF)</Keyword><Keyword MajorTopicYN="N">microbial communities</Keyword><Keyword MajorTopicYN="N">nitrogen</Keyword><Keyword MajorTopicYN="N">spatial scale</Keyword><Keyword MajorTopicYN="N">tropical dry forest</Keyword></KeywordList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2015</Year><Month>06</Month><Day>13</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2015</Year><Month>08</Month><Day>08</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>9</Month><Day>22</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>9</Month><Day>22</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">26390155</ArticleId><ArticleId IdType="doi">10.1111/nph.13654</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country></list><tree><country name="États-Unis"><noRegion><name sortKey="Waring, Bonnie G" sort="Waring, Bonnie G" uniqKey="Waring B" first="Bonnie G" last="Waring">Bonnie G. Waring</name></noRegion><name sortKey="Adams, Rachel" sort="Adams, Rachel" uniqKey="Adams R" first="Rachel" last="Adams">Rachel Adams</name><name sortKey="Branco, Sara" sort="Branco, Sara" uniqKey="Branco S" first="Sara" last="Branco">Sara Branco</name><name sortKey="Powers, Jennifer S" sort="Powers, Jennifer S" uniqKey="Powers J" first="Jennifer S" last="Powers">Jennifer S. Powers</name><name sortKey="Powers, Jennifer S" sort="Powers, Jennifer S" uniqKey="Powers J" first="Jennifer S" last="Powers">Jennifer S. Powers</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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