MycorrhizaeV1, Main, Corpus, bibRecord, 001A83

Soil microbial and nutrient responses to 7 years of seasonally altered precipitation in a Chihuahuan Desert grassland.

Identifieur interne : 001A83 ( Main/Corpus ); précédent : 001A82; suivant : 001A84

Soil microbial and nutrient responses to 7 years of seasonally altered precipitation in a Chihuahuan Desert grassland.

Auteurs : Colin W. Bell ; David T. Tissue ; Michael E. Loik ; Matthew D. Wallenstein ; Veronica Acosta-Martinez ; Richard A. Erickson ; John C. Zak

Source :

Global change biology [ 1365-2486 ] ; 2014.

RBID : pubmed:24115607

English descriptors

KwdEn :
- Bacteria (metabolism), Climate Change (MeSH), Desert Climate (MeSH), Fungi (metabolism), Grassland (MeSH), Microbiota (MeSH), Rain (MeSH), Seasons (MeSH), Soil (chemistry), Soil Microbiology (MeSH), Texas (MeSH).
MESH :
- chemical , chemistry : Soil.
- metabolism : Bacteria, Fungi.
- Climate Change, Desert Climate, Grassland, Microbiota, Rain, Seasons, Soil Microbiology, Texas.

Abstract

Soil microbial communities in Chihuahuan Desert grasslands generally experience highly variable spatiotemporal rainfall patterns. Changes in precipitation regimes can affect belowground ecosystem processes such as decomposition and nutrient cycling by altering soil microbial community structure and function. The objective of this study was to determine if increased seasonal precipitation frequency and magnitude over a 7-year period would generate a persistent shift in microbial community characteristics and soil nutrient availability. We supplemented natural rainfall with large events (one/winter and three/summer) to simulate increased precipitation based on climate model predictions for this region. We observed a 2-year delay in microbial responses to supplemental precipitation treatments. In years 3-5, higher microbial biomass, arbuscular mycorrhizae abundance, and soil enzyme C and P acquisition activities were observed in the supplemental water plots even during extended drought periods. In years 5-7, available soil P was consistently lower in the watered plots compared to control plots. Shifts in soil P corresponded to higher fungal abundances, microbial C utilization activity, and soil pH. This study demonstrated that 25% shifts in seasonal rainfall can significantly influence soil microbial and nutrient properties, which in turn may have long-term effects on nutrient cycling and plant P uptake in this desert grassland.

DOI: 10.1111/gcb.12418
PubMed: 24115607

Links to Exploration step

pubmed:24115607

Le document en format XML

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<author><name sortKey="Bell, Colin W" sort="Bell, Colin W" uniqKey="Bell C" first="Colin W" last="Bell">Colin W. Bell</name>
<affiliation><nlm:affiliation>Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO, 80524 - 1499, USA; Department of Biological Sciences, Texas Tech University, Lubbock, TX, 79409 - 3131, USA.</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Tissue, David T" sort="Tissue, David T" uniqKey="Tissue D" first="David T" last="Tissue">David T. Tissue</name>
</author>
<author><name sortKey="Loik, Michael E" sort="Loik, Michael E" uniqKey="Loik M" first="Michael E" last="Loik">Michael E. Loik</name>
</author>
<author><name sortKey="Wallenstein, Matthew D" sort="Wallenstein, Matthew D" uniqKey="Wallenstein M" first="Matthew D" last="Wallenstein">Matthew D. Wallenstein</name>
</author>
<author><name sortKey="Acosta Martinez, Veronica" sort="Acosta Martinez, Veronica" uniqKey="Acosta Martinez V" first="Veronica" last="Acosta-Martinez">Veronica Acosta-Martinez</name>
</author>
<author><name sortKey="Erickson, Richard A" sort="Erickson, Richard A" uniqKey="Erickson R" first="Richard A" last="Erickson">Richard A. Erickson</name>
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<author><name sortKey="Zak, John C" sort="Zak, John C" uniqKey="Zak J" first="John C" last="Zak">John C. Zak</name>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Soil microbial and nutrient responses to 7 years of seasonally altered precipitation in a Chihuahuan Desert grassland.</title>
<author><name sortKey="Bell, Colin W" sort="Bell, Colin W" uniqKey="Bell C" first="Colin W" last="Bell">Colin W. Bell</name>
<affiliation><nlm:affiliation>Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO, 80524 - 1499, USA; Department of Biological Sciences, Texas Tech University, Lubbock, TX, 79409 - 3131, USA.</nlm:affiliation>
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<author><name sortKey="Tissue, David T" sort="Tissue, David T" uniqKey="Tissue D" first="David T" last="Tissue">David T. Tissue</name>
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<author><name sortKey="Loik, Michael E" sort="Loik, Michael E" uniqKey="Loik M" first="Michael E" last="Loik">Michael E. Loik</name>
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<author><name sortKey="Wallenstein, Matthew D" sort="Wallenstein, Matthew D" uniqKey="Wallenstein M" first="Matthew D" last="Wallenstein">Matthew D. Wallenstein</name>
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<author><name sortKey="Acosta Martinez, Veronica" sort="Acosta Martinez, Veronica" uniqKey="Acosta Martinez V" first="Veronica" last="Acosta-Martinez">Veronica Acosta-Martinez</name>
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<author><name sortKey="Erickson, Richard A" sort="Erickson, Richard A" uniqKey="Erickson R" first="Richard A" last="Erickson">Richard A. Erickson</name>
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<author><name sortKey="Zak, John C" sort="Zak, John C" uniqKey="Zak J" first="John C" last="Zak">John C. Zak</name>
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<series><title level="j">Global change biology</title>
<idno type="eISSN">1365-2486</idno>
<imprint><date when="2014" type="published">2014</date>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Bacteria (metabolism)</term>
<term>Climate Change (MeSH)</term>
<term>Desert Climate (MeSH)</term>
<term>Fungi (metabolism)</term>
<term>Grassland (MeSH)</term>
<term>Microbiota (MeSH)</term>
<term>Rain (MeSH)</term>
<term>Seasons (MeSH)</term>
<term>Soil (chemistry)</term>
<term>Soil Microbiology (MeSH)</term>
<term>Texas (MeSH)</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term>
</keywords>
<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Bacteria</term>
<term>Fungi</term>
</keywords>
<keywords scheme="MESH" xml:lang="en"><term>Climate Change</term>
<term>Desert Climate</term>
<term>Grassland</term>
<term>Microbiota</term>
<term>Rain</term>
<term>Seasons</term>
<term>Soil Microbiology</term>
<term>Texas</term>
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<front><div type="abstract" xml:lang="en">Soil microbial communities in Chihuahuan Desert grasslands generally experience highly variable spatiotemporal rainfall patterns. Changes in precipitation regimes can affect belowground ecosystem processes such as decomposition and nutrient cycling by altering soil microbial community structure and function. The objective of this study was to determine if increased seasonal precipitation frequency and magnitude over a 7-year period would generate a persistent shift in microbial community characteristics and soil nutrient availability. We supplemented natural rainfall with large events (one/winter and three/summer) to simulate increased precipitation based on climate model predictions for this region. We observed a 2-year delay in microbial responses to supplemental precipitation treatments. In years 3-5, higher microbial biomass, arbuscular mycorrhizae abundance, and soil enzyme C and P acquisition activities were observed in the supplemental water plots even during extended drought periods. In years 5-7, available soil P was consistently lower in the watered plots compared to control plots. Shifts in soil P corresponded to higher fungal abundances, microbial C utilization activity, and soil pH. This study demonstrated that 25% shifts in seasonal rainfall can significantly influence soil microbial and nutrient properties, which in turn may have long-term effects on nutrient cycling and plant P uptake in this desert grassland. </div>
</front>
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<DateCompleted><Year>2014</Year>
<Month>12</Month>
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<DateRevised><Year>2017</Year>
<Month>11</Month>
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<JournalIssue CitedMedium="Internet"><Volume>20</Volume>
<Issue>5</Issue>
<PubDate><Year>2014</Year>
<Month>May</Month>
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<Title>Global change biology</Title>
<ISOAbbreviation>Glob Chang Biol</ISOAbbreviation>
</Journal>
<ArticleTitle>Soil microbial and nutrient responses to 7 years of seasonally altered precipitation in a Chihuahuan Desert grassland.</ArticleTitle>
<Pagination><MedlinePgn>1657-73</MedlinePgn>
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<ELocationID EIdType="doi" ValidYN="Y">10.1111/gcb.12418</ELocationID>
<Abstract><AbstractText>Soil microbial communities in Chihuahuan Desert grasslands generally experience highly variable spatiotemporal rainfall patterns. Changes in precipitation regimes can affect belowground ecosystem processes such as decomposition and nutrient cycling by altering soil microbial community structure and function. The objective of this study was to determine if increased seasonal precipitation frequency and magnitude over a 7-year period would generate a persistent shift in microbial community characteristics and soil nutrient availability. We supplemented natural rainfall with large events (one/winter and three/summer) to simulate increased precipitation based on climate model predictions for this region. We observed a 2-year delay in microbial responses to supplemental precipitation treatments. In years 3-5, higher microbial biomass, arbuscular mycorrhizae abundance, and soil enzyme C and P acquisition activities were observed in the supplemental water plots even during extended drought periods. In years 5-7, available soil P was consistently lower in the watered plots compared to control plots. Shifts in soil P corresponded to higher fungal abundances, microbial C utilization activity, and soil pH. This study demonstrated that 25% shifts in seasonal rainfall can significantly influence soil microbial and nutrient properties, which in turn may have long-term effects on nutrient cycling and plant P uptake in this desert grassland. </AbstractText>
<CopyrightInformation>© 2013 John Wiley & Sons Ltd.</CopyrightInformation>
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<AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Bell</LastName>
<ForeName>Colin W</ForeName>
<Initials>CW</Initials>
<AffiliationInfo><Affiliation>Natural Resource Ecology Laboratory, Colorado State University, Fort Collins, CO, 80524 - 1499, USA; Department of Biological Sciences, Texas Tech University, Lubbock, TX, 79409 - 3131, USA.</Affiliation>
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<Author ValidYN="Y"><LastName>Tissue</LastName>
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<Author ValidYN="Y"><LastName>Loik</LastName>
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<Author ValidYN="Y"><LastName>Wallenstein</LastName>
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<Author ValidYN="Y"><LastName>Acosta-Martinez</LastName>
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<Author ValidYN="Y"><LastName>Zak</LastName>
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<Language>eng</Language>
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<MeshHeadingList><MeshHeading><DescriptorName UI="D001419" MajorTopicYN="N">Bacteria</DescriptorName>
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<MeshHeading><DescriptorName UI="D003889" MajorTopicYN="Y">Desert Climate</DescriptorName>
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<MeshHeading><DescriptorName UI="D065948" MajorTopicYN="N">Grassland</DescriptorName>
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<MeshHeading><DescriptorName UI="D064307" MajorTopicYN="Y">Microbiota</DescriptorName>
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<MeshHeading><DescriptorName UI="D011891" MajorTopicYN="N">Rain</DescriptorName>
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<MeshHeading><DescriptorName UI="D012621" MajorTopicYN="Y">Seasons</DescriptorName>
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<MeshHeading><DescriptorName UI="D012988" MajorTopicYN="Y">Soil Microbiology</DescriptorName>
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<MeshHeading><DescriptorName UI="D013781" MajorTopicYN="N">Texas</DescriptorName>
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<KeywordList Owner="NOTNLM"><Keyword MajorTopicYN="N">Big Bend National Park</Keyword>
<Keyword MajorTopicYN="N">desert ecosystems</Keyword>
<Keyword MajorTopicYN="N">extreme climate events</Keyword>
<Keyword MajorTopicYN="N">precipitation manipulation</Keyword>
<Keyword MajorTopicYN="N">soil microbial communities</Keyword>
</KeywordList>
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<PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year>
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<Day>21</Day>
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Soil microbial and nutrient responses to 7 years of seasonally altered precipitation in a Chihuahuan Desert grassland.

Soil microbial and nutrient responses to 7 years of seasonally altered precipitation in a Chihuahuan Desert grassland.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

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