Experimental soil warming shifts the fungal community composition at the alpine treeline.
Identifieur interne : 000C62 ( Main/Corpus ); précédent : 000C61; suivant : 000C63Experimental soil warming shifts the fungal community composition at the alpine treeline.
Auteurs : Emily F. Solly ; Björn D. Lindahl ; Melissa A. Dawes ; Martina Peter ; Rômulo C. Souza ; Christian Rixen ; Frank HagedornSource :
- The New phytologist [ 1469-8137 ] ; 2017.
English descriptors
- KwdEn :
- Altitude (MeSH), Biological Availability (MeSH), Carbon Dioxide (MeSH), Fungi (genetics), Fungi (physiology), Larix (MeSH), Mycorrhizae (physiology), Nitrogen (pharmacokinetics), Pinus (MeSH), Plant Roots (microbiology), Soil (chemistry), Soil Microbiology (MeSH), Switzerland (MeSH), Temperature (MeSH).
- MESH :
- chemical , chemistry : Soil.
- chemical , pharmacokinetics : Nitrogen.
- chemical : Carbon Dioxide.
- genetics : Fungi.
- microbiology : Plant Roots.
- physiology : Fungi, Mycorrhizae.
- Altitude, Biological Availability, Larix, Pinus, Soil Microbiology, Switzerland, Temperature.
Abstract
Increased CO2 emissions and global warming may alter the composition of fungal communities through the removal of temperature limitation in the plant-soil system, faster nitrogen (N) cycling and changes in the carbon (C) allocation of host plants to the rhizosphere. At a Swiss treeline featuring Larix decidua and Pinus uncinata, the effects of multiple years of CO2 enrichment and experimental soil warming on the fungal community composition in the organic horizons were analysed using 454-pyrosequencing of ITS2 amplicons. Sporocarp production and colonization of ectomycorrhizal root tips were investigated in parallel. Fungal community composition was significantly altered by soil warming, whereas CO2 enrichment had little effect. Tree species influenced fungal community composition and the magnitude of the warming responses. The abundance of ectomycorrhizal fungal taxa was positively correlated with N availability, and ectomycorrhizal taxa specialized for conditions of high N availability proliferated with warming, corresponding to considerable increases in inorganic N in warmed soils. Traits related to N utilization are important in determining the responses of ectomycorrhizal fungi to warming in N-poor cold ecosystems. Shifts in the overall fungal community composition in response to higher temperatures may alter fungal-driven processes with potential feedbacks on ecosystem N cycling and C storage at the alpine treeline.
DOI: 10.1111/nph.14603
PubMed: 28543616
Links to Exploration step
pubmed:28543616Le document en format XML
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Solly</name><affiliation><nlm:affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Lindahl, Bjorn D" sort="Lindahl, Bjorn D" uniqKey="Lindahl B" first="Björn D" last="Lindahl">Björn D. Lindahl</name><affiliation><nlm:affiliation>Department of Soil and Environment, Swedish University of Agricultural Sciences, Lennart Hjelms väg 9, 75007, Uppsala, Sweden.</nlm:affiliation></affiliation></author><author><name sortKey="Dawes, Melissa A" sort="Dawes, Melissa A" uniqKey="Dawes M" first="Melissa A" last="Dawes">Melissa A. Dawes</name><affiliation><nlm:affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Peter, Martina" sort="Peter, Martina" uniqKey="Peter M" first="Martina" last="Peter">Martina Peter</name><affiliation><nlm:affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Souza, Romulo C" sort="Souza, Romulo C" uniqKey="Souza R" first="Rômulo C" last="Souza">Rômulo C. Souza</name><affiliation><nlm:affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Rixen, Christian" sort="Rixen, Christian" uniqKey="Rixen C" first="Christian" last="Rixen">Christian Rixen</name><affiliation><nlm:affiliation>WSL Institute for Snow and Avalanche Research (SLF), Flüelastrasse 11, 7260, Davos, Switzerland.</nlm:affiliation></affiliation></author><author><name sortKey="Hagedorn, Frank" sort="Hagedorn, Frank" uniqKey="Hagedorn F" first="Frank" last="Hagedorn">Frank Hagedorn</name><affiliation><nlm:affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.</nlm:affiliation></affiliation></author></analytic><series><title level="j">The New phytologist</title><idno type="eISSN">1469-8137</idno><imprint><date when="2017" type="published">2017</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Altitude (MeSH)</term><term>Biological Availability (MeSH)</term><term>Carbon Dioxide (MeSH)</term><term>Fungi (genetics)</term><term>Fungi (physiology)</term><term>Larix (MeSH)</term><term>Mycorrhizae (physiology)</term><term>Nitrogen (pharmacokinetics)</term><term>Pinus (MeSH)</term><term>Plant Roots (microbiology)</term><term>Soil (chemistry)</term><term>Soil Microbiology (MeSH)</term><term>Switzerland (MeSH)</term><term>Temperature (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacokinetics" xml:lang="en"><term>Nitrogen</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Carbon Dioxide</term></keywords><keywords scheme="MESH" qualifier="genetics" xml:lang="en"><term>Fungi</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fungi</term><term>Mycorrhizae</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Altitude</term><term>Biological Availability</term><term>Larix</term><term>Pinus</term><term>Soil Microbiology</term><term>Switzerland</term><term>Temperature</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Increased CO<sub>2</sub> emissions and global warming may alter the composition of fungal communities through the removal of temperature limitation in the plant-soil system, faster nitrogen (N) cycling and changes in the carbon (C) allocation of host plants to the rhizosphere. At a Swiss treeline featuring Larix decidua and Pinus uncinata, the effects of multiple years of CO<sub>2</sub> enrichment and experimental soil warming on the fungal community composition in the organic horizons were analysed using 454-pyrosequencing of ITS2 amplicons. Sporocarp production and colonization of ectomycorrhizal root tips were investigated in parallel. Fungal community composition was significantly altered by soil warming, whereas CO<sub>2</sub> enrichment had little effect. Tree species influenced fungal community composition and the magnitude of the warming responses. The abundance of ectomycorrhizal fungal taxa was positively correlated with N availability, and ectomycorrhizal taxa specialized for conditions of high N availability proliferated with warming, corresponding to considerable increases in inorganic N in warmed soils. Traits related to N utilization are important in determining the responses of ectomycorrhizal fungi to warming in N-poor cold ecosystems. Shifts in the overall fungal community composition in response to higher temperatures may alter fungal-driven processes with potential feedbacks on ecosystem N cycling and C storage at the alpine treeline.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">28543616</PMID><DateCompleted><Year>2018</Year><Month>04</Month><Day>11</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>215</Volume><Issue>2</Issue><PubDate><Year>2017</Year><Month>Jul</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Experimental soil warming shifts the fungal community composition at the alpine treeline.</ArticleTitle><Pagination><MedlinePgn>766-778</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1111/nph.14603</ELocationID><Abstract><AbstractText>Increased CO<sub>2</sub> emissions and global warming may alter the composition of fungal communities through the removal of temperature limitation in the plant-soil system, faster nitrogen (N) cycling and changes in the carbon (C) allocation of host plants to the rhizosphere. At a Swiss treeline featuring Larix decidua and Pinus uncinata, the effects of multiple years of CO<sub>2</sub> enrichment and experimental soil warming on the fungal community composition in the organic horizons were analysed using 454-pyrosequencing of ITS2 amplicons. Sporocarp production and colonization of ectomycorrhizal root tips were investigated in parallel. Fungal community composition was significantly altered by soil warming, whereas CO<sub>2</sub> enrichment had little effect. Tree species influenced fungal community composition and the magnitude of the warming responses. The abundance of ectomycorrhizal fungal taxa was positively correlated with N availability, and ectomycorrhizal taxa specialized for conditions of high N availability proliferated with warming, corresponding to considerable increases in inorganic N in warmed soils. Traits related to N utilization are important in determining the responses of ectomycorrhizal fungi to warming in N-poor cold ecosystems. Shifts in the overall fungal community composition in response to higher temperatures may alter fungal-driven processes with potential feedbacks on ecosystem N cycling and C storage at the alpine treeline.</AbstractText><CopyrightInformation>© 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Solly</LastName><ForeName>Emily F</ForeName><Initials>EF</Initials><AffiliationInfo><Affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Lindahl</LastName><ForeName>Björn D</ForeName><Initials>BD</Initials><AffiliationInfo><Affiliation>Department of Soil and Environment, Swedish University of Agricultural Sciences, Lennart Hjelms väg 9, 75007, Uppsala, Sweden.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Dawes</LastName><ForeName>Melissa A</ForeName><Initials>MA</Initials><AffiliationInfo><Affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Peter</LastName><ForeName>Martina</ForeName><Initials>M</Initials><AffiliationInfo><Affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Souza</LastName><ForeName>Rômulo C</ForeName><Initials>RC</Initials><AffiliationInfo><Affiliation>Swiss Federal Institute for Forest, Snow and Landscape Research (WSL), Zürcherstrasse 111, 8903, Birmensdorf, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Rixen</LastName><ForeName>Christian</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>WSL Institute for Snow and Avalanche Research (SLF), Flüelastrasse 11, 7260, Davos, Switzerland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Hagedorn</LastName><ForeName>Frank</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Swiss Federal Institute for Forest, 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