Moss Mediates the Influence of Shrub Species on Soil Properties and Processes in Alpine Tundra.
Identifieur interne : 000B23 ( Main/Corpus ); précédent : 000B22; suivant : 000B24Moss Mediates the Influence of Shrub Species on Soil Properties and Processes in Alpine Tundra.
Auteurs : C Guillermo Bueno ; Scott N. Williamson ; Isabel C. Barrio ; Ágústa Helgad Ttir ; David S. HikSource :
- PloS one [ 1932-6203 ] ; 2016.
English descriptors
- KwdEn :
- MESH :
- chemical , chemistry : Soil.
- Bryophyta, Ecological and Environmental Phenomena, Temperature, Tundra.
Abstract
In tundra ecosystems, bryophytes influence soil processes directly and indirectly through interactions with overstory shrub species. We experimentally manipulated moss cover and measured seasonal soil properties and processes under two species of deciduous shrubs with contrasting canopy structures, Salix planifolia pulchra and Betula glandulosa-nana complex. Soil properties (seasonal temperature, moisture and C:N ratios) and processes (seasonal litter decomposition and soil respiration) were measured over twelve months. Shrub species identity had the largest influence on summer soil temperatures and soil respiration rates, which were higher under Salix canopies. Mosses were associated with lower soil moisture irrespective of shrub identity, but modulated the effects of shrubs on winter soil temperatures and soil C:N ratios so that moss cover reduced differences in soil winter temperatures between shrub species and reduced C:N ratios under Betula but not under Salix canopies. Our results suggest a central role of mosses in mediating soil properties and processes, with their influence depending on shrub species identity. Such species-dependent effects need to be accounted for when forecasting vegetation dynamics under ongoing environmental changes.
DOI: 10.1371/journal.pone.0164143
PubMed: 27760156
PubMed Central: PMC5070840
Links to Exploration step
pubmed:27760156Le document en format XML
<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Moss Mediates the Influence of Shrub Species on Soil Properties and Processes in Alpine Tundra.</title><author><name sortKey="Bueno, C Guillermo" sort="Bueno, C Guillermo" uniqKey="Bueno C" first="C Guillermo" last="Bueno">C Guillermo Bueno</name><affiliation><nlm:affiliation>Institute of Ecology and Earth Sciences, Department of Botany, University of Tartu, Lai 40, Tartu, 51005, Estonia.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Pyrenean Institute of Ecology (CSIC), Avda. Nuestra Señora de la Victoria s/n, 22700, Jaca, Spain.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Williamson, Scott N" sort="Williamson, Scott N" uniqKey="Williamson S" first="Scott N" last="Williamson">Scott N. Williamson</name><affiliation><nlm:affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Barrio, Isabel C" sort="Barrio, Isabel C" uniqKey="Barrio I" first="Isabel C" last="Barrio">Isabel C. Barrio</name><affiliation><nlm:affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Department of Life and Environmental Sciences, University of Iceland, Sturlugata 7, 101, Reykjavik, Iceland.</nlm:affiliation></affiliation></author><author><name sortKey="Helgad Ttir, Agusta" sort="Helgad Ttir, Agusta" uniqKey="Helgad Ttir A" first="Ágústa" last="Helgad Ttir">Ágústa Helgad Ttir</name><affiliation><nlm:affiliation>Department of Life and Environmental Sciences, University of Iceland, Sturlugata 7, 101, Reykjavik, Iceland.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Soil Conservation Service of Iceland, Gunnarsholt, 851, Hella, Iceland.</nlm:affiliation></affiliation></author><author><name sortKey="Hik, David S" sort="Hik, David S" uniqKey="Hik D" first="David S" last="Hik">David S. 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Nuestra Señora de la Victoria s/n, 22700, Jaca, Spain.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Williamson, Scott N" sort="Williamson, Scott N" uniqKey="Williamson S" first="Scott N" last="Williamson">Scott N. Williamson</name><affiliation><nlm:affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</nlm:affiliation></affiliation></author><author><name sortKey="Barrio, Isabel C" sort="Barrio, Isabel C" uniqKey="Barrio I" first="Isabel C" last="Barrio">Isabel C. Barrio</name><affiliation><nlm:affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Department of Life and Environmental Sciences, University of Iceland, Sturlugata 7, 101, Reykjavik, Iceland.</nlm:affiliation></affiliation></author><author><name sortKey="Helgad Ttir, Agusta" sort="Helgad Ttir, Agusta" uniqKey="Helgad Ttir A" first="Ágústa" last="Helgad Ttir">Ágústa Helgad Ttir</name><affiliation><nlm:affiliation>Department of Life and Environmental Sciences, University of Iceland, Sturlugata 7, 101, Reykjavik, Iceland.</nlm:affiliation></affiliation><affiliation><nlm:affiliation>Soil Conservation Service of Iceland, Gunnarsholt, 851, Hella, Iceland.</nlm:affiliation></affiliation></author><author><name sortKey="Hik, David S" sort="Hik, David S" uniqKey="Hik D" first="David S" last="Hik">David S. Hik</name><affiliation><nlm:affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</nlm:affiliation></affiliation></author></analytic><series><title level="j">PloS one</title><idno type="eISSN">1932-6203</idno><imprint><date when="2016" type="published">2016</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bryophyta (MeSH)</term><term>Ecological and Environmental Phenomena (MeSH)</term><term>Soil (chemistry)</term><term>Temperature (MeSH)</term><term>Tundra (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Bryophyta</term><term>Ecological and Environmental Phenomena</term><term>Temperature</term><term>Tundra</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">In tundra ecosystems, bryophytes influence soil processes directly and indirectly through interactions with overstory shrub species. We experimentally manipulated moss cover and measured seasonal soil properties and processes under two species of deciduous shrubs with contrasting canopy structures, Salix planifolia pulchra and Betula glandulosa-nana complex. Soil properties (seasonal temperature, moisture and C:N ratios) and processes (seasonal litter decomposition and soil respiration) were measured over twelve months. Shrub species identity had the largest influence on summer soil temperatures and soil respiration rates, which were higher under Salix canopies. Mosses were associated with lower soil moisture irrespective of shrub identity, but modulated the effects of shrubs on winter soil temperatures and soil C:N ratios so that moss cover reduced differences in soil winter temperatures between shrub species and reduced C:N ratios under Betula but not under Salix canopies. Our results suggest a central role of mosses in mediating soil properties and processes, with their influence depending on shrub species identity. Such species-dependent effects need to be accounted for when forecasting vegetation dynamics under ongoing environmental changes.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">27760156</PMID><DateCompleted><Year>2017</Year><Month>06</Month><Day>06</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Electronic-eCollection"><Journal><ISSN IssnType="Electronic">1932-6203</ISSN><JournalIssue CitedMedium="Internet"><Volume>11</Volume><Issue>10</Issue><PubDate><Year>2016</Year></PubDate></JournalIssue><Title>PloS one</Title><ISOAbbreviation>PLoS One</ISOAbbreviation></Journal><ArticleTitle>Moss Mediates the Influence of Shrub Species on Soil Properties and Processes in Alpine Tundra.</ArticleTitle><Pagination><MedlinePgn>e0164143</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1371/journal.pone.0164143</ELocationID><Abstract><AbstractText>In tundra ecosystems, bryophytes influence soil processes directly and indirectly through interactions with overstory shrub species. We experimentally manipulated moss cover and measured seasonal soil properties and processes under two species of deciduous shrubs with contrasting canopy structures, Salix planifolia pulchra and Betula glandulosa-nana complex. Soil properties (seasonal temperature, moisture and C:N ratios) and processes (seasonal litter decomposition and soil respiration) were measured over twelve months. Shrub species identity had the largest influence on summer soil temperatures and soil respiration rates, which were higher under Salix canopies. Mosses were associated with lower soil moisture irrespective of shrub identity, but modulated the effects of shrubs on winter soil temperatures and soil C:N ratios so that moss cover reduced differences in soil winter temperatures between shrub species and reduced C:N ratios under Betula but not under Salix canopies. Our results suggest a central role of mosses in mediating soil properties and processes, with their influence depending on shrub species identity. Such species-dependent effects need to be accounted for when forecasting vegetation dynamics under ongoing environmental changes.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bueno</LastName><ForeName>C Guillermo</ForeName><Initials>CG</Initials><Identifier Source="ORCID">http://orcid.org/0000-0002-7288-2271</Identifier><AffiliationInfo><Affiliation>Institute of Ecology and Earth Sciences, Department of Botany, University of Tartu, Lai 40, Tartu, 51005, Estonia.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Pyrenean Institute of Ecology (CSIC), Avda. Nuestra Señora de la Victoria s/n, 22700, Jaca, Spain.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Williamson</LastName><ForeName>Scott N</ForeName><Initials>SN</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Barrio</LastName><ForeName>Isabel C</ForeName><Initials>IC</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Department of Life and Environmental Sciences, University of Iceland, Sturlugata 7, 101, Reykjavik, Iceland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Helgadóttir</LastName><ForeName>Ágústa</ForeName><Initials>Á</Initials><AffiliationInfo><Affiliation>Department of Life and Environmental Sciences, University of Iceland, Sturlugata 7, 101, Reykjavik, Iceland.</Affiliation></AffiliationInfo><AffiliationInfo><Affiliation>Soil Conservation Service of Iceland, Gunnarsholt, 851, Hella, Iceland.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>HiK</LastName><ForeName>David S</ForeName><Initials>DS</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, University of Alberta, Biological Sciences Building, T6G 2E9, Edmonton, Canada.</Affiliation></AffiliationInfo></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2016</Year><Month>10</Month><Day>19</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>PLoS One</MedlineTA><NlmUniqueID>101285081</NlmUniqueID><ISSNLinking>1932-6203</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D044002" MajorTopicYN="Y">Bryophyta</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D055669" MajorTopicYN="Y">Ecological and Environmental Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013696" MajorTopicYN="N">Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D065929" MajorTopicYN="Y">Tundra</DescriptorName></MeshHeading></MeshHeadingList><CoiStatement>The authors have declared that no competing interests exist.</CoiStatement></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2016</Year><Month>06</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2016</Year><Month>09</Month><Day>20</Day></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2016</Year><Month>10</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2017</Year><Month>6</Month><Day>7</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2016</Year><Month>10</Month><Day>21</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">27760156</ArticleId><ArticleId IdType="doi">10.1371/journal.pone.0164143</ArticleId><ArticleId 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