Primary productivity as a control over soil microbial diversity along environmental gradients in a polar desert ecosystem.
Primary production is the fundamental source of energy to foodwebs and ecosystems, and is thus an important constraint on soil communities. This coupling is particularly evident in polar terrestrial ecosystems where biological diversity and activity is tightly constrained by edaphic gradients of pro...
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CU Scholar
2017
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| Online Access: | https://scholar.colorado.edu/cven_facpapers/13 https://scholar.colorado.edu/cgi/viewcontent.cgi?article=1009&context=cven_facpapers |
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ftunicolboulder:oai:scholar.colorado.edu:cven_facpapers-1009 |
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ftunicolboulder:oai:scholar.colorado.edu:cven_facpapers-1009 2023-05-15T13:49:40+02:00 Primary productivity as a control over soil microbial diversity along environmental gradients in a polar desert ecosystem. Geyer, Kevin M Takacs-Vesbach, Cristina D Gooseff, Michael N Barrett, John E 2017-01-01T08:00:00Z application/pdf https://scholar.colorado.edu/cven_facpapers/13 https://scholar.colorado.edu/cgi/viewcontent.cgi?article=1009&context=cven_facpapers unknown CU Scholar https://scholar.colorado.edu/cven_facpapers/13 https://scholar.colorado.edu/cgi/viewcontent.cgi?article=1009&context=cven_facpapers http://creativecommons.org/licenses/by/4.0/ CC-BY Civil Engineering Faculty Contributions text 2017 ftunicolboulder 2018-10-07T09:09:56Z Primary production is the fundamental source of energy to foodwebs and ecosystems, and is thus an important constraint on soil communities. This coupling is particularly evident in polar terrestrial ecosystems where biological diversity and activity is tightly constrained by edaphic gradients of productivity (e.g., soil moisture, organic carbon availability) and geochemical severity (e.g., pH, electrical conductivity). In the McMurdo Dry Valleys of Antarctica, environmental gradients determine numerous properties of soil communities and yet relatively few estimates of gross or net primary productivity (GPP, NPP) exist for this region. Here we describe a survey utilizing pulse amplitude modulation (PAM) fluorometry to estimate rates of GPP across a broad environmental gradient along with belowground microbial diversity and decomposition. PAM estimates of GPP ranged from an average of 0.27 μmol O Text Antarc* Antarctica McMurdo Dry Valleys polar desert University of Colorado, Boulder: CU Scholar McMurdo Dry Valleys |
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Open Polar |
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University of Colorado, Boulder: CU Scholar |
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ftunicolboulder |
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unknown |
| description |
Primary production is the fundamental source of energy to foodwebs and ecosystems, and is thus an important constraint on soil communities. This coupling is particularly evident in polar terrestrial ecosystems where biological diversity and activity is tightly constrained by edaphic gradients of productivity (e.g., soil moisture, organic carbon availability) and geochemical severity (e.g., pH, electrical conductivity). In the McMurdo Dry Valleys of Antarctica, environmental gradients determine numerous properties of soil communities and yet relatively few estimates of gross or net primary productivity (GPP, NPP) exist for this region. Here we describe a survey utilizing pulse amplitude modulation (PAM) fluorometry to estimate rates of GPP across a broad environmental gradient along with belowground microbial diversity and decomposition. PAM estimates of GPP ranged from an average of 0.27 μmol O |
| format |
Text |
| author |
Geyer, Kevin M Takacs-Vesbach, Cristina D Gooseff, Michael N Barrett, John E |
| spellingShingle |
Geyer, Kevin M Takacs-Vesbach, Cristina D Gooseff, Michael N Barrett, John E Primary productivity as a control over soil microbial diversity along environmental gradients in a polar desert ecosystem. |
| author_facet |
Geyer, Kevin M Takacs-Vesbach, Cristina D Gooseff, Michael N Barrett, John E |
| author_sort |
Geyer, Kevin M |
| title |
Primary productivity as a control over soil microbial diversity along environmental gradients in a polar desert ecosystem. |
| title_short |
Primary productivity as a control over soil microbial diversity along environmental gradients in a polar desert ecosystem. |
| title_full |
Primary productivity as a control over soil microbial diversity along environmental gradients in a polar desert ecosystem. |
| title_fullStr |
Primary productivity as a control over soil microbial diversity along environmental gradients in a polar desert ecosystem. |
| title_full_unstemmed |
Primary productivity as a control over soil microbial diversity along environmental gradients in a polar desert ecosystem. |
| title_sort |
primary productivity as a control over soil microbial diversity along environmental gradients in a polar desert ecosystem. |
| publisher |
CU Scholar |
| publishDate |
2017 |
| url |
https://scholar.colorado.edu/cven_facpapers/13 https://scholar.colorado.edu/cgi/viewcontent.cgi?article=1009&context=cven_facpapers |
| geographic |
McMurdo Dry Valleys |
| geographic_facet |
McMurdo Dry Valleys |
| genre |
Antarc* Antarctica McMurdo Dry Valleys polar desert |
| genre_facet |
Antarc* Antarctica McMurdo Dry Valleys polar desert |
| op_source |
Civil Engineering Faculty Contributions |
| op_relation |
https://scholar.colorado.edu/cven_facpapers/13 https://scholar.colorado.edu/cgi/viewcontent.cgi?article=1009&context=cven_facpapers |
| op_rights |
http://creativecommons.org/licenses/by/4.0/ |
| op_rightsnorm |
CC-BY |
| _version_ |
1766251939655319552 |