MycorrhizaeV1, Main, Corpus, bibRecord, 001D61

Ectomycorrhizal fungal community assembly on regenerating Douglas-fir after wildfire and clearcut harvesting.

Identifieur interne : 001D61 ( Main/Corpus ); précédent : 001D60; suivant : 001D62

Ectomycorrhizal fungal community assembly on regenerating Douglas-fir after wildfire and clearcut harvesting.

Auteurs : Jason S. Barker ; Suzanne W. Simard ; Melanie D. Jones ; D M Durall

Source :

Oecologia [ 1432-1939 ] ; 2013.

RBID : pubmed:23263530

English descriptors

KwdEn :
- Biodiversity (MeSH), British Columbia (MeSH), Fires (MeSH), Forestry (MeSH), Multivariate Analysis (MeSH), Mycorrhizae (MeSH), Pseudotsuga (microbiology), Seedlings (microbiology).
MESH :
- geographic : British Columbia.
- microbiology : Pseudotsuga, Seedlings.
- Biodiversity, Fires, Forestry, Multivariate Analysis, Mycorrhizae.

Abstract

Wildfire severity in forests is projected to increase with warming and drying conditions associated with climate change. Our objective was to determine the impact of wildfire and clearcutting severity on the ectomycorrhizal fungal (EMF) community of Douglas-fir seedlings in the dry forests of interior British Columbia, Canada. We located our study within and surrounding the area of the McLure fire (August 2003). We hypothesized that disturbance would affect EMF community assembly due to reductions in fungal inoculum. Five treatments representing a range of disturbance severities were compared: high severity burn, low severity burn, screefed clearcut (manual removal of forest floor), clearcut, and undisturbed forest. EMF communities in the undisturbed forest were more complex than those in all disturbance treatments. However, aspects of community assembly varied with disturbance type, where the burn treatments had the simplest communities. After 4 months, regenerating seedlings in the burn treatments had the lowest colonization, but seedlings in all treatments were fully colonized within 1 year. EMF communities were similar among the four disturbance types, largely due to dominance of Wilcoxina throughout the study period. However, forest floor retention influenced community assembly as the EMF in the clearcut treatment, where forest floor was retained, had levels of diversity and richness comparable to the undisturbed forest. Overall, the results suggest that increasing forest floor disturbance can alter EMF community assembly in the first year of regeneration. A correlation between poorly colonized seedlings and seedling productivity also suggests a role for productivity in influencing community assembly.

DOI: 10.1007/s00442-012-2562-y
PubMed: 23263530

Links to Exploration step

pubmed:23263530

Le document en format XML

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<author><name sortKey="Barker, Jason S" sort="Barker, Jason S" uniqKey="Barker J" first="Jason S" last="Barker">Jason S. Barker</name>
<affiliation><nlm:affiliation>Department of Forest Sciences, University of British Columbia, Vancouver, BC, Canada. barkerjas@gmail.com</nlm:affiliation>
</affiliation>
</author>
<author><name sortKey="Simard, Suzanne W" sort="Simard, Suzanne W" uniqKey="Simard S" first="Suzanne W" last="Simard">Suzanne W. Simard</name>
</author>
<author><name sortKey="Jones, Melanie D" sort="Jones, Melanie D" uniqKey="Jones M" first="Melanie D" last="Jones">Melanie D. Jones</name>
</author>
<author><name sortKey="Durall, D M" sort="Durall, D M" uniqKey="Durall D" first="D M" last="Durall">D M Durall</name>
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<author><name sortKey="Simard, Suzanne W" sort="Simard, Suzanne W" uniqKey="Simard S" first="Suzanne W" last="Simard">Suzanne W. Simard</name>
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<author><name sortKey="Jones, Melanie D" sort="Jones, Melanie D" uniqKey="Jones M" first="Melanie D" last="Jones">Melanie D. Jones</name>
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<author><name sortKey="Durall, D M" sort="Durall, D M" uniqKey="Durall D" first="D M" last="Durall">D M Durall</name>
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<series><title level="j">Oecologia</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Biodiversity (MeSH)</term>
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<term>Fires (MeSH)</term>
<term>Forestry (MeSH)</term>
<term>Multivariate Analysis (MeSH)</term>
<term>Mycorrhizae (MeSH)</term>
<term>Pseudotsuga (microbiology)</term>
<term>Seedlings (microbiology)</term>
</keywords>
<keywords scheme="MESH" type="geographic" xml:lang="en"><term>British Columbia</term>
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<keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Pseudotsuga</term>
<term>Seedlings</term>
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<keywords scheme="MESH" xml:lang="en"><term>Biodiversity</term>
<term>Fires</term>
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<front><div type="abstract" xml:lang="en">Wildfire severity in forests is projected to increase with warming and drying conditions associated with climate change. Our objective was to determine the impact of wildfire and clearcutting severity on the ectomycorrhizal fungal (EMF) community of Douglas-fir seedlings in the dry forests of interior British Columbia, Canada. We located our study within and surrounding the area of the McLure fire (August 2003). We hypothesized that disturbance would affect EMF community assembly due to reductions in fungal inoculum. Five treatments representing a range of disturbance severities were compared: high severity burn, low severity burn, screefed clearcut (manual removal of forest floor), clearcut, and undisturbed forest. EMF communities in the undisturbed forest were more complex than those in all disturbance treatments. However, aspects of community assembly varied with disturbance type, where the burn treatments had the simplest communities. After 4 months, regenerating seedlings in the burn treatments had the lowest colonization, but seedlings in all treatments were fully colonized within 1 year. EMF communities were similar among the four disturbance types, largely due to dominance of Wilcoxina throughout the study period. However, forest floor retention influenced community assembly as the EMF in the clearcut treatment, where forest floor was retained, had levels of diversity and richness comparable to the undisturbed forest. Overall, the results suggest that increasing forest floor disturbance can alter EMF community assembly in the first year of regeneration. A correlation between poorly colonized seedlings and seedling productivity also suggests a role for productivity in influencing community assembly.</div>
</front>
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<Title>Oecologia</Title>
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<Abstract><AbstractText>Wildfire severity in forests is projected to increase with warming and drying conditions associated with climate change. Our objective was to determine the impact of wildfire and clearcutting severity on the ectomycorrhizal fungal (EMF) community of Douglas-fir seedlings in the dry forests of interior British Columbia, Canada. We located our study within and surrounding the area of the McLure fire (August 2003). We hypothesized that disturbance would affect EMF community assembly due to reductions in fungal inoculum. Five treatments representing a range of disturbance severities were compared: high severity burn, low severity burn, screefed clearcut (manual removal of forest floor), clearcut, and undisturbed forest. EMF communities in the undisturbed forest were more complex than those in all disturbance treatments. However, aspects of community assembly varied with disturbance type, where the burn treatments had the simplest communities. After 4 months, regenerating seedlings in the burn treatments had the lowest colonization, but seedlings in all treatments were fully colonized within 1 year. EMF communities were similar among the four disturbance types, largely due to dominance of Wilcoxina throughout the study period. However, forest floor retention influenced community assembly as the EMF in the clearcut treatment, where forest floor was retained, had levels of diversity and richness comparable to the undisturbed forest. Overall, the results suggest that increasing forest floor disturbance can alter EMF community assembly in the first year of regeneration. A correlation between poorly colonized seedlings and seedling productivity also suggests a role for productivity in influencing community assembly.</AbstractText>
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Ectomycorrhizal fungal community assembly on regenerating Douglas-fir after wildfire and clearcut harvesting.

Ectomycorrhizal fungal community assembly on regenerating Douglas-fir after wildfire and clearcut harvesting.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki