Arbuscular mycorrhizal fungi associated with Populus-Salix stands in a semiarid riparian ecosystem.
Identifieur interne : 003E32 ( Main/Curation ); précédent : 003E31; suivant : 003E33Arbuscular mycorrhizal fungi associated with Populus-Salix stands in a semiarid riparian ecosystem.
Auteurs : Vanessa B. Beauchamp [États-Unis] ; Juliet C. Stromberg ; Jean C. StutzSource :
- The New phytologist [ 0028-646X ] ; 2006.
Descripteurs français
- KwdFr :
- MESH :
- croissance et développement : Mycorhizes.
- isolement et purification : Mycorhizes.
- microbiologie : Populus, Racines de plante, Salix.
- Arizona, Climat, Géographie, Écosystème.
English descriptors
- KwdEn :
- MESH :
- geographic : Arizona.
- growth & development : Mycorrhizae.
- isolation & purification : Mycorrhizae.
- microbiology : Plant Roots, Populus, Salix.
- Climate, Ecosystem, Geography.
Abstract
This study examined the activity, species richness, and species composition of the arbuscular mycorrhizal fungal (AMF) community of Populus-Salix stands on the Verde River (Arizona, USA), quantified patterns of AMF richness and colonization along complex floodplain gradients, and identified environmental variables responsible for structuring the AMF community. Samples from 61 Populus-Salix stands were analyzed for AMF and herbaceous composition, AMF colonization, gravimetric soil moisture, soil texture, per cent organic matter, pH, and concentrations of nitrate, bicarbonate phosphorus and exchangeable potassium. AMF species richness declined with stand age and distance from and elevation above the channel and was positively related to perennial species cover and richness and gravimetric soil moisture. Distance from and elevation above the active channel, forest age, annual species cover, perennial species richness, and exchangeable potassium concentration all played a role in structuring the AMF community in this riparian area. Most AMF species were found across a wide range of soil conditions, but a subset of species tended to occur more often in hydric areas. This group of riparian affiliate AMF species includes several not previously encountered in the surrounding Sonoran desert.
DOI: 10.1111/j.1469-8137.2006.01668.x
PubMed: 16608461
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Stutz</name></author></analytic><series><title level="j">The New phytologist</title><idno type="ISSN">0028-646X</idno><imprint><date when="2006" type="published">2006</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Arizona (MeSH)</term><term>Climate (MeSH)</term><term>Ecosystem (MeSH)</term><term>Geography (MeSH)</term><term>Mycorrhizae (growth & development)</term><term>Mycorrhizae (isolation & purification)</term><term>Plant Roots (microbiology)</term><term>Populus (microbiology)</term><term>Salix (microbiology)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Arizona (MeSH)</term><term>Climat (MeSH)</term><term>Géographie (MeSH)</term><term>Mycorhizes (croissance et développement)</term><term>Mycorhizes (isolement et purification)</term><term>Populus (microbiologie)</term><term>Racines de plante (microbiologie)</term><term>Salix (microbiologie)</term><term>Écosystème (MeSH)</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Arizona</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="isolation & purification" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="isolement et purification" xml:lang="fr"><term>Mycorhizes</term></keywords><keywords scheme="MESH" qualifier="microbiologie" xml:lang="fr"><term>Populus</term><term>Racines de plante</term><term>Salix</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plant Roots</term><term>Populus</term><term>Salix</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Climate</term><term>Ecosystem</term><term>Geography</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Arizona</term><term>Climat</term><term>Géographie</term><term>Écosystème</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">This study examined the activity, species richness, and species composition of the arbuscular mycorrhizal fungal (AMF) community of Populus-Salix stands on the Verde River (Arizona, USA), quantified patterns of AMF richness and colonization along complex floodplain gradients, and identified environmental variables responsible for structuring the AMF community. Samples from 61 Populus-Salix stands were analyzed for AMF and herbaceous composition, AMF colonization, gravimetric soil moisture, soil texture, per cent organic matter, pH, and concentrations of nitrate, bicarbonate phosphorus and exchangeable potassium. AMF species richness declined with stand age and distance from and elevation above the channel and was positively related to perennial species cover and richness and gravimetric soil moisture. Distance from and elevation above the active channel, forest age, annual species cover, perennial species richness, and exchangeable potassium concentration all played a role in structuring the AMF community in this riparian area. Most AMF species were found across a wide range of soil conditions, but a subset of species tended to occur more often in hydric areas. This group of riparian affiliate AMF species includes several not previously encountered in the surrounding Sonoran desert.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16608461</PMID><DateCompleted><Year>2006</Year><Month>06</Month><Day>05</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0028-646X</ISSN><JournalIssue CitedMedium="Print"><Volume>170</Volume><Issue>2</Issue><PubDate><Year>2006</Year></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Arbuscular mycorrhizal fungi associated with Populus-Salix stands in a semiarid riparian ecosystem.</ArticleTitle><Pagination><MedlinePgn>369-80</MedlinePgn></Pagination><Abstract><AbstractText>This study examined the activity, species richness, and species composition of the arbuscular mycorrhizal fungal (AMF) community of Populus-Salix stands on the Verde River (Arizona, USA), quantified patterns of AMF richness and colonization along complex floodplain gradients, and identified environmental variables responsible for structuring the AMF community. Samples from 61 Populus-Salix stands were analyzed for AMF and herbaceous composition, AMF colonization, gravimetric soil moisture, soil texture, per cent organic matter, pH, and concentrations of nitrate, bicarbonate phosphorus and exchangeable potassium. AMF species richness declined with stand age and distance from and elevation above the channel and was positively related to perennial species cover and richness and gravimetric soil moisture. Distance from and elevation above the active channel, forest age, annual species cover, perennial species richness, and exchangeable potassium concentration all played a role in structuring the AMF community in this riparian area. Most AMF species were found across a wide range of soil conditions, but a subset of species tended to occur more often in hydric areas. This group of riparian affiliate AMF species includes several not previously encountered in the surrounding Sonoran desert.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Beauchamp</LastName><ForeName>Vanessa B</ForeName><Initials>VB</Initials><AffiliationInfo><Affiliation>School of Life Sciences, Arizona State University, Tempe, AZ 85287, USA. vanessa_beauchamp@usgs.gov</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Stromberg</LastName><ForeName>Juliet C</ForeName><Initials>JC</Initials></Author><Author ValidYN="Y"><LastName>Stutz</LastName><ForeName>Jean C</ForeName><Initials>JC</Initials></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></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001130" MajorTopicYN="N" Type="Geographic">Arizona</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002980" MajorTopicYN="N">Climate</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="Y">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005843" MajorTopicYN="N">Geography</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000302" MajorTopicYN="N">isolation & purification</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032108" MajorTopicYN="N">Salix</DescriptorName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2006</Year><Month>4</Month><Day>13</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2006</Year><Month>6</Month><Day>6</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2006</Year><Month>4</Month><Day>13</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">16608461</ArticleId><ArticleId IdType="pii">NPH1668</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2006.01668.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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