Plant and soil responses to high and low diversity grassland restoration practices.
Identifieur interne : 001F82 ( Main/Exploration ); précédent : 001F81; suivant : 001F83Plant and soil responses to high and low diversity grassland restoration practices.
Auteurs : Elizabeth M. Bach [États-Unis] ; Sara G. Baer ; Johan SixSource :
- Environmental management [ 1432-1009 ] ; 2012.
Descripteurs français
- KwdFr :
- Acides gras (métabolisme), Azote (analyse), Azote (métabolisme), Bactéries (métabolisme), Biodiversité (MeSH), Carbone (analyse), Carbone (métabolisme), Conservation des ressources naturelles (MeSH), Microbiologie du sol (MeSH), Mycorhizes (métabolisme), Poaceae (classification), Poaceae (croissance et développement), Racines de plante (composition chimique), Racines de plante (croissance et développement), Racines de plante (microbiologie), Sol (analyse), Écosystème (MeSH).
- MESH :
- analyse : Azote, Carbone, Sol.
- composition chimique : Poaceae, Racines de plante.
- croissance et développement : Poaceae, Racines de plante.
- microbiologie : Racines de plante.
- métabolisme : Acides gras, Azote, Bactéries, Carbone, Mycorhizes.
- Biodiversité, Conservation des ressources naturelles, Microbiologie du sol, Écosystème.
English descriptors
- KwdEn :
- Bacteria (metabolism), Biodiversity (MeSH), Carbon (analysis), Carbon (metabolism), Conservation of Natural Resources (MeSH), Ecosystem (MeSH), Fatty Acids (metabolism), Mycorrhizae (metabolism), Nitrogen (analysis), Nitrogen (metabolism), Plant Roots (chemistry), Plant Roots (growth & development), Plant Roots (microbiology), Poaceae (classification), Poaceae (growth & development), Soil (analysis), Soil Microbiology (MeSH).
- MESH :
- chemical , analysis : Carbon, Nitrogen, Soil.
- chemistry : Plant Roots.
- classification : Poaceae.
- growth & development : Plant Roots, Poaceae.
- metabolism : Bacteria, Carbon, Fatty Acids, Mycorrhizae, Nitrogen.
- microbiology : Plant Roots.
- Biodiversity, Conservation of Natural Resources, Ecosystem, Soil Microbiology.
Abstract
The USDA's Conservation Reserve Program (CRP) has predominantly used only a few species of dominant prairie grasses (CP2 practice) to reduce soil erosion, but recently has offered a higher diversity planting practice (CP25) to increase grassland habitat quality. We quantified plant community composition in CP25 and CP2 plantings restored for 4 or 8 years and compared belowground properties and processes among restorations and continuously cultivated soils in southeastern Nebraska, USA. Relative to cultivated soils, restoration increased soil microbial biomass (P = 0.033), specifically fungi (P < 0.001), and restored soils exhibited higher rates of carbon (C) mineralization (P = 0.010). High and low diversity plantings had equally diverse plant communities; however, CP25 plantings had greater frequency of cool-season (C(3)) grasses (P = 0.007). Older (8 year) high diversity restorations contained lower microbial biomass (P = 0.026), arbuscular mycorrhizal fungi (AMF) biomass (P = 0.003), and C mineralization rates (P = 0.028) relative to 8 year low diversity restorations; older plantings had greater root biomass than 4 year plantings in all restorations (P = 0.001). Low diversity 8 year plantings contained wider root C:N ratios, and higher soil microbial biomass, microbial community richness, AMF biomass, and C mineralization rate relative to 4 year restorations (P < 0.050). Net N mineralization and nitrification rates were lower in 8 year than 4 year high diversity plantings (P = 0.005). We attributed changes in soil C and N pools and fluxes to increased AMF associated with C(4) grasses in low diversity plantings. Thus, reduced recovery of AMF in high diversity plantings restricted restoration of belowground microbial diversity and microbially-mediated soil processes over time.
DOI: 10.1007/s00267-011-9787-0
PubMed: 22105609
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Bach</name><affiliation wicri:level="2"><nlm:affiliation>Department of Plant Biology and Center for Ecology, Southern Illinois University Carbondale, Carbondale, IL 62901, USA. ebach@iastate.edu</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Plant Biology and Center for Ecology, Southern Illinois University Carbondale, Carbondale, IL 62901</wicri:regionArea><placeName><region type="state">Illinois</region></placeName></affiliation></author><author><name sortKey="Baer, Sara G" sort="Baer, Sara G" uniqKey="Baer S" first="Sara G" last="Baer">Sara G. 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We quantified plant community composition in CP25 and CP2 plantings restored for 4 or 8 years and compared belowground properties and processes among restorations and continuously cultivated soils in southeastern Nebraska, USA. Relative to cultivated soils, restoration increased soil microbial biomass (P = 0.033), specifically fungi (P < 0.001), and restored soils exhibited higher rates of carbon (C) mineralization (P = 0.010). High and low diversity plantings had equally diverse plant communities; however, CP25 plantings had greater frequency of cool-season (C(3)) grasses (P = 0.007). Older (8 year) high diversity restorations contained lower microbial biomass (P = 0.026), arbuscular mycorrhizal fungi (AMF) biomass (P = 0.003), and C mineralization rates (P = 0.028) relative to 8 year low diversity restorations; older plantings had greater root biomass than 4 year plantings in all restorations (P = 0.001). Low diversity 8 year plantings contained wider root C:N ratios, and higher soil microbial biomass, microbial community richness, AMF biomass, and C mineralization rate relative to 4 year restorations (P < 0.050). Net N mineralization and nitrification rates were lower in 8 year than 4 year high diversity plantings (P = 0.005). We attributed changes in soil C and N pools and fluxes to increased AMF associated with C(4) grasses in low diversity plantings. Thus, reduced recovery of AMF in high diversity plantings restricted restoration of belowground microbial diversity and microbially-mediated soil processes over time.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">22105609</PMID><DateCompleted><Year>2012</Year><Month>05</Month><Day>07</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1432-1009</ISSN><JournalIssue CitedMedium="Internet"><Volume>49</Volume><Issue>2</Issue><PubDate><Year>2012</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Environmental management</Title><ISOAbbreviation>Environ Manage</ISOAbbreviation></Journal><ArticleTitle>Plant and soil responses to high and low diversity grassland restoration practices.</ArticleTitle><Pagination><MedlinePgn>412-24</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1007/s00267-011-9787-0</ELocationID><Abstract><AbstractText>The USDA's Conservation Reserve Program (CRP) has predominantly used only a few species of dominant prairie grasses (CP2 practice) to reduce soil erosion, but recently has offered a higher diversity planting practice (CP25) to increase grassland habitat quality. We quantified plant community composition in CP25 and CP2 plantings restored for 4 or 8 years and compared belowground properties and processes among restorations and continuously cultivated soils in southeastern Nebraska, USA. Relative to cultivated soils, restoration increased soil microbial biomass (P = 0.033), specifically fungi (P < 0.001), and restored soils exhibited higher rates of carbon (C) mineralization (P = 0.010). High and low diversity plantings had equally diverse plant communities; however, CP25 plantings had greater frequency of cool-season (C(3)) grasses (P = 0.007). Older (8 year) high diversity restorations contained lower microbial biomass (P = 0.026), arbuscular mycorrhizal fungi (AMF) biomass (P = 0.003), and C mineralization rates (P = 0.028) relative to 8 year low diversity restorations; older plantings had greater root biomass than 4 year plantings in all restorations (P = 0.001). Low diversity 8 year plantings contained wider root C:N ratios, and higher soil microbial biomass, microbial community richness, AMF biomass, and C mineralization rate relative to 4 year restorations (P < 0.050). Net N mineralization and nitrification rates were lower in 8 year than 4 year high diversity plantings (P = 0.005). We attributed changes in soil C and N pools and fluxes to increased AMF associated with C(4) grasses in low diversity plantings. Thus, reduced recovery of AMF in high diversity plantings restricted restoration of belowground microbial diversity and microbially-mediated soil processes over time.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bach</LastName><ForeName>Elizabeth M</ForeName><Initials>EM</Initials><AffiliationInfo><Affiliation>Department of Plant Biology and Center for Ecology, Southern Illinois University Carbondale, Carbondale, IL 62901, USA. ebach@iastate.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Baer</LastName><ForeName>Sara G</ForeName><Initials>SG</Initials></Author><Author ValidYN="Y"><LastName>Six</LastName><ForeName>Johan</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2011</Year><Month>11</Month><Day>22</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Environ Manage</MedlineTA><NlmUniqueID>7703893</NlmUniqueID><ISSNLinking>0364-152X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005227">Fatty Acids</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>7440-44-0</RegistryNumber><NameOfSubstance UI="D002244">Carbon</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D001419" MajorTopicYN="N">Bacteria</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D044822" MajorTopicYN="Y">Biodiversity</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D002244" MajorTopicYN="N">Carbon</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D003247" MajorTopicYN="Y">Conservation of Natural Resources</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D005227" MajorTopicYN="N">Fatty Acids</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018517" MajorTopicYN="N">Plant Roots</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="N">chemistry</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName><QualifierName UI="Q000382" MajorTopicYN="N">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D006109" MajorTopicYN="N">Poaceae</DescriptorName><QualifierName UI="Q000145" MajorTopicYN="Y">classification</QualifierName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012988" MajorTopicYN="Y">Soil Microbiology</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2011</Year><Month>04</Month><Day>07</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2011</Year><Month>10</Month><Day>25</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2011</Year><Month>11</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2011</Year><Month>11</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2012</Year><Month>5</Month><Day>9</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">22105609</ArticleId><ArticleId IdType="doi">10.1007/s00267-011-9787-0</ArticleId></ArticleIdList><ReferenceList><Reference><Citation>Oecologia. 1990 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IdType="pubmed">9232001</ArticleId></ArticleIdList></Reference></ReferenceList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Illinois</li></region></list><tree><noCountry><name sortKey="Baer, Sara G" sort="Baer, Sara G" uniqKey="Baer S" first="Sara G" last="Baer">Sara G. Baer</name><name sortKey="Six, Johan" sort="Six, Johan" uniqKey="Six J" first="Johan" last="Six">Johan Six</name></noCountry><country name="États-Unis"><region name="Illinois"><name sortKey="Bach, Elizabeth M" sort="Bach, Elizabeth M" uniqKey="Bach E" first="Elizabeth M" last="Bach">Elizabeth M. Bach</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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