Data from: Environmental change alters nitrogen fixation rates and microbial parameters in a subarctic biological crust
Together, Biological Soil Crust (BSC) and other cryptogamic groundcovers can contribute up to half of the global nitrogen (N) fixation. BSC also stabilizes the soil (reducing erosion and dust emissions), fixes carbon (C), retains moisture, and acts as a hotspot of microbial diversity and activity. M...
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ftzenodo:oai:zenodo.org:6990049 2023-05-15T16:21:49+02:00 Data from: Environmental change alters nitrogen fixation rates and microbial parameters in a subarctic biological crust Salazar, Alejandro Warshan, Denis Vásquez, Clara Andrésson, Ólafur 2022-08-11 https://zenodo.org/record/6990049 https://doi.org/10.5061/dryad.x95x69pmw unknown doi:10.1101/2022.01.25.477655 https://zenodo.org/communities/dryad https://zenodo.org/record/6990049 https://doi.org/10.5061/dryad.x95x69pmw oai:zenodo.org:6990049 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode Biological Soil Crust (BSC) nitrogen (N) fixation Climate Change subarctic ecosystems cyanobacterial abundance and composition info:eu-repo/semantics/other dataset 2022 ftzenodo https://doi.org/10.5061/dryad.x95x69pmw10.1101/2022.01.25.477655 2023-03-10T15:15:24Z Together, Biological Soil Crust (BSC) and other cryptogamic groundcovers can contribute up to half of the global nitrogen (N) fixation. BSC also stabilizes the soil (reducing erosion and dust emissions), fixes carbon (C), retains moisture, and acts as a hotspot of microbial diversity and activity. Much of the knowledge about how climate change is affecting the composition and functioning of BSC comes from hot arid and semiarid regions. The comparatively smaller body of research on BSC from cold and mesic environments has been primarily observational, for example along chronosequences after a glacier retreat. Few studies have experimentally investigated the effects of the environment on BSC from high latitudes. Such experiments allow unraveling of relationships at a resolution that can only be achieved by controlling for confounding factors. We measured short-term (2-4 days) responses of a liverwort-based (Anthelia juratzkana) BSC from the south of Iceland to a range of temperature, moisture and light conditions. Warming increased N fixation rates, especially when moisture was at a saturation level, and only when light was not limiting. A correlation analysis suggests that increases in N fixation rates were linked to cyanobacterial abundance on the BSC surface and to the rates of their metabolic activity. Warming and moisture changes also induced compositional and structural modification of the bacterial community, with consequences at the functional level. In contrast to many observations on BSC from hot drylands, the BSC from our cold and mesic study site is more limited by low temperature and light than by moisture. Our findings show possible ways in which BSC from cold and mesic ecosystems can respond to short-term manifestations of climate change, such as increasingly frequent heat waves. We used phyloseq and metaphlan2 to open tsv files.Other options include: QIIME MG-RAST PICRUSt Mothur phyloseq MEGAN VAMPS metagenomeSeq Phinch RDP Classifier USEARCH PhyloToAST EBI Metagenomics GCModeller MetaPhlAn 2 ... Dataset glacier Iceland Subarctic Zenodo |
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topic |
Biological Soil Crust (BSC) nitrogen (N) fixation Climate Change subarctic ecosystems cyanobacterial abundance and composition |
spellingShingle |
Biological Soil Crust (BSC) nitrogen (N) fixation Climate Change subarctic ecosystems cyanobacterial abundance and composition Salazar, Alejandro Warshan, Denis Vásquez, Clara Andrésson, Ólafur Data from: Environmental change alters nitrogen fixation rates and microbial parameters in a subarctic biological crust |
topic_facet |
Biological Soil Crust (BSC) nitrogen (N) fixation Climate Change subarctic ecosystems cyanobacterial abundance and composition |
description |
Together, Biological Soil Crust (BSC) and other cryptogamic groundcovers can contribute up to half of the global nitrogen (N) fixation. BSC also stabilizes the soil (reducing erosion and dust emissions), fixes carbon (C), retains moisture, and acts as a hotspot of microbial diversity and activity. Much of the knowledge about how climate change is affecting the composition and functioning of BSC comes from hot arid and semiarid regions. The comparatively smaller body of research on BSC from cold and mesic environments has been primarily observational, for example along chronosequences after a glacier retreat. Few studies have experimentally investigated the effects of the environment on BSC from high latitudes. Such experiments allow unraveling of relationships at a resolution that can only be achieved by controlling for confounding factors. We measured short-term (2-4 days) responses of a liverwort-based (Anthelia juratzkana) BSC from the south of Iceland to a range of temperature, moisture and light conditions. Warming increased N fixation rates, especially when moisture was at a saturation level, and only when light was not limiting. A correlation analysis suggests that increases in N fixation rates were linked to cyanobacterial abundance on the BSC surface and to the rates of their metabolic activity. Warming and moisture changes also induced compositional and structural modification of the bacterial community, with consequences at the functional level. In contrast to many observations on BSC from hot drylands, the BSC from our cold and mesic study site is more limited by low temperature and light than by moisture. Our findings show possible ways in which BSC from cold and mesic ecosystems can respond to short-term manifestations of climate change, such as increasingly frequent heat waves. We used phyloseq and metaphlan2 to open tsv files.Other options include: QIIME MG-RAST PICRUSt Mothur phyloseq MEGAN VAMPS metagenomeSeq Phinch RDP Classifier USEARCH PhyloToAST EBI Metagenomics GCModeller MetaPhlAn 2 ... |
format |
Dataset |
author |
Salazar, Alejandro Warshan, Denis Vásquez, Clara Andrésson, Ólafur |
author_facet |
Salazar, Alejandro Warshan, Denis Vásquez, Clara Andrésson, Ólafur |
author_sort |
Salazar, Alejandro |
title |
Data from: Environmental change alters nitrogen fixation rates and microbial parameters in a subarctic biological crust |
title_short |
Data from: Environmental change alters nitrogen fixation rates and microbial parameters in a subarctic biological crust |
title_full |
Data from: Environmental change alters nitrogen fixation rates and microbial parameters in a subarctic biological crust |
title_fullStr |
Data from: Environmental change alters nitrogen fixation rates and microbial parameters in a subarctic biological crust |
title_full_unstemmed |
Data from: Environmental change alters nitrogen fixation rates and microbial parameters in a subarctic biological crust |
title_sort |
data from: environmental change alters nitrogen fixation rates and microbial parameters in a subarctic biological crust |
publishDate |
2022 |
url |
https://zenodo.org/record/6990049 https://doi.org/10.5061/dryad.x95x69pmw |
genre |
glacier Iceland Subarctic |
genre_facet |
glacier Iceland Subarctic |
op_relation |
doi:10.1101/2022.01.25.477655 https://zenodo.org/communities/dryad https://zenodo.org/record/6990049 https://doi.org/10.5061/dryad.x95x69pmw oai:zenodo.org:6990049 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5061/dryad.x95x69pmw10.1101/2022.01.25.477655 |
_version_ |
1766009795190456320 |