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The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem
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| Zeitschriftentitel: | Applied and Environmental Microbiology |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Applied and Environmental Microbiology, 76, 2010, 22, S. 7429-7436 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Society for Microbiology
|
| Schlagwörter: |
| author_facet |
Ge, Yuan Chen, Chengrong Xu, Zhihong Oren, Ram He, Ji-Zheng Ge, Yuan Chen, Chengrong Xu, Zhihong Oren, Ram He, Ji-Zheng |
|---|---|
| author |
Ge, Yuan Chen, Chengrong Xu, Zhihong Oren, Ram He, Ji-Zheng |
| spellingShingle |
Ge, Yuan Chen, Chengrong Xu, Zhihong Oren, Ram He, Ji-Zheng Applied and Environmental Microbiology The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem Ecology Applied Microbiology and Biotechnology Food Science Biotechnology |
| author_sort |
ge, yuan |
| spelling |
Ge, Yuan Chen, Chengrong Xu, Zhihong Oren, Ram He, Ji-Zheng 0099-2240 1098-5336 American Society for Microbiology Ecology Applied Microbiology and Biotechnology Food Science Biotechnology http://dx.doi.org/10.1128/aem.00831-10 <jats:title>ABSTRACT</jats:title> <jats:p> The global atmospheric carbon dioxide (CO <jats:sub>2</jats:sub> ) concentration is expected to increase continuously over the next century. However, little is known about the responses of soil bacterial communities to elevated CO <jats:sub>2</jats:sub> in terrestrial ecosystems. This study aimed to partition the relative influences of CO <jats:sub>2</jats:sub> , nitrogen (N), and the spatial factor (different sampling plots) on soil bacterial communities at the free-air CO <jats:sub>2</jats:sub> enrichment research site in Duke Forest, North Carolina, by two independent techniques: an entirely sequencing-based approach and denaturing gradient gel electrophoresis. Multivariate regression tree analysis demonstrated that the spatial factor could explain more than 70% of the variation in soil bacterial diversity and 20% of the variation in community structure, while CO <jats:sub>2</jats:sub> or N treatment explains less than 3% of the variation. For the effects of soil environmental heterogeneity, the diversity estimates were distinguished mainly by the total soil N and C/N ratio. Bacterial diversity estimates were positively correlated with total soil N and negatively correlated with C/N ratio. There was no correlation between the overall bacterial community structures and the soil properties investigated. This study contributes to the information about the effects of elevated CO <jats:sub>2</jats:sub> and soil fertility on soil bacterial communities and the environmental factors shaping the distribution patterns of bacterial community diversity and structure in temperate forest soils. </jats:p> The Spatial Factor, Rather than Elevated CO <sub>2</sub> , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem Applied and Environmental Microbiology |
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10.1128/aem.00831-10 |
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| title |
The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_unstemmed |
The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_full |
The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_fullStr |
The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_full_unstemmed |
The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_short |
The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_sort |
the spatial factor, rather than elevated co
<sub>2</sub>
, controls the soil bacterial community in a temperate forest ecosystem |
| topic |
Ecology Applied Microbiology and Biotechnology Food Science Biotechnology |
| url |
http://dx.doi.org/10.1128/aem.00831-10 |
| publishDate |
2010 |
| physical |
7429-7436 |
| description |
<jats:title>ABSTRACT</jats:title>
<jats:p>
The global atmospheric carbon dioxide (CO
<jats:sub>2</jats:sub>
) concentration is expected to increase continuously over the next century. However, little is known about the responses of soil bacterial communities to elevated CO
<jats:sub>2</jats:sub>
in terrestrial ecosystems. This study aimed to partition the relative influences of CO
<jats:sub>2</jats:sub>
, nitrogen (N), and the spatial factor (different sampling plots) on soil bacterial communities at the free-air CO
<jats:sub>2</jats:sub>
enrichment research site in Duke Forest, North Carolina, by two independent techniques: an entirely sequencing-based approach and denaturing gradient gel electrophoresis. Multivariate regression tree analysis demonstrated that the spatial factor could explain more than 70% of the variation in soil bacterial diversity and 20% of the variation in community structure, while CO
<jats:sub>2</jats:sub>
or N treatment explains less than 3% of the variation. For the effects of soil environmental heterogeneity, the diversity estimates were distinguished mainly by the total soil N and C/N ratio. Bacterial diversity estimates were positively correlated with total soil N and negatively correlated with C/N ratio. There was no correlation between the overall bacterial community structures and the soil properties investigated. This study contributes to the information about the effects of elevated CO
<jats:sub>2</jats:sub>
and soil fertility on soil bacterial communities and the environmental factors shaping the distribution patterns of bacterial community diversity and structure in temperate forest soils.
</jats:p> |
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| author | Ge, Yuan, Chen, Chengrong, Xu, Zhihong, Oren, Ram, He, Ji-Zheng |
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| description | <jats:title>ABSTRACT</jats:title> <jats:p> The global atmospheric carbon dioxide (CO <jats:sub>2</jats:sub> ) concentration is expected to increase continuously over the next century. However, little is known about the responses of soil bacterial communities to elevated CO <jats:sub>2</jats:sub> in terrestrial ecosystems. This study aimed to partition the relative influences of CO <jats:sub>2</jats:sub> , nitrogen (N), and the spatial factor (different sampling plots) on soil bacterial communities at the free-air CO <jats:sub>2</jats:sub> enrichment research site in Duke Forest, North Carolina, by two independent techniques: an entirely sequencing-based approach and denaturing gradient gel electrophoresis. Multivariate regression tree analysis demonstrated that the spatial factor could explain more than 70% of the variation in soil bacterial diversity and 20% of the variation in community structure, while CO <jats:sub>2</jats:sub> or N treatment explains less than 3% of the variation. For the effects of soil environmental heterogeneity, the diversity estimates were distinguished mainly by the total soil N and C/N ratio. Bacterial diversity estimates were positively correlated with total soil N and negatively correlated with C/N ratio. There was no correlation between the overall bacterial community structures and the soil properties investigated. This study contributes to the information about the effects of elevated CO <jats:sub>2</jats:sub> and soil fertility on soil bacterial communities and the environmental factors shaping the distribution patterns of bacterial community diversity and structure in temperate forest soils. </jats:p> |
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| spelling | Ge, Yuan Chen, Chengrong Xu, Zhihong Oren, Ram He, Ji-Zheng 0099-2240 1098-5336 American Society for Microbiology Ecology Applied Microbiology and Biotechnology Food Science Biotechnology http://dx.doi.org/10.1128/aem.00831-10 <jats:title>ABSTRACT</jats:title> <jats:p> The global atmospheric carbon dioxide (CO <jats:sub>2</jats:sub> ) concentration is expected to increase continuously over the next century. However, little is known about the responses of soil bacterial communities to elevated CO <jats:sub>2</jats:sub> in terrestrial ecosystems. This study aimed to partition the relative influences of CO <jats:sub>2</jats:sub> , nitrogen (N), and the spatial factor (different sampling plots) on soil bacterial communities at the free-air CO <jats:sub>2</jats:sub> enrichment research site in Duke Forest, North Carolina, by two independent techniques: an entirely sequencing-based approach and denaturing gradient gel electrophoresis. Multivariate regression tree analysis demonstrated that the spatial factor could explain more than 70% of the variation in soil bacterial diversity and 20% of the variation in community structure, while CO <jats:sub>2</jats:sub> or N treatment explains less than 3% of the variation. For the effects of soil environmental heterogeneity, the diversity estimates were distinguished mainly by the total soil N and C/N ratio. Bacterial diversity estimates were positively correlated with total soil N and negatively correlated with C/N ratio. There was no correlation between the overall bacterial community structures and the soil properties investigated. This study contributes to the information about the effects of elevated CO <jats:sub>2</jats:sub> and soil fertility on soil bacterial communities and the environmental factors shaping the distribution patterns of bacterial community diversity and structure in temperate forest soils. </jats:p> The Spatial Factor, Rather than Elevated CO <sub>2</sub> , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem Applied and Environmental Microbiology |
| spellingShingle | Ge, Yuan, Chen, Chengrong, Xu, Zhihong, Oren, Ram, He, Ji-Zheng, Applied and Environmental Microbiology, The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem, Ecology, Applied Microbiology and Biotechnology, Food Science, Biotechnology |
| title | The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_full | The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_fullStr | The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_full_unstemmed | The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_short | The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| title_sort | the spatial factor, rather than elevated co <sub>2</sub> , controls the soil bacterial community in a temperate forest ecosystem |
| title_unstemmed | The Spatial Factor, Rather than Elevated CO 2 , Controls the Soil Bacterial Community in a Temperate Forest Ecosystem |
| topic | Ecology, Applied Microbiology and Biotechnology, Food Science, Biotechnology |
| url | http://dx.doi.org/10.1128/aem.00831-10 |