RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen
Figure 3. RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen. Only significant factors ( p Abstract The aggregation of surface debris particl...
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ftdatacite:10.6084/m9.figshare.1011894.v1 2023-05-15T15:09:54+02:00 RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen Zarsky, Jakub D Stibal, Marek Hodson, Andy Sattler, Birgit Schostag, Morten Hansen, Lars H Jacobsen, Carsten S Psenner, Roland 2013 https://dx.doi.org/10.6084/m9.figshare.1011894.v1 https://iop.figshare.com/articles/figure/_RDA_biplot_visualizing_the_effects_of_physical_environmental_variables_dashed_arrows_for_quantitati/1011894/1 unknown IOP Publishing https://dx.doi.org/10.6084/m9.figshare.1011894 Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 CC-BY Environmental Science Image Figure graphic ImageObject 2013 ftdatacite https://doi.org/10.6084/m9.figshare.1011894.v1 https://doi.org/10.6084/m9.figshare.1011894 2021-11-05T12:55:41Z Figure 3. RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen. Only significant factors ( p Abstract The aggregation of surface debris particles on melting glaciers into larger units (cryoconite) provides microenvironments for various microorganisms and metabolic processes. Here we investigate the microbial community on the surface of Aldegondabreen, a valley glacier in Svalbard which is supplied with carbon and nutrients from different sources across its surface, including colonies of seabirds. We used a combination of geochemical analysis (of surface debris, ice and meltwater), quantitative polymerase chain reactions (targeting the 16S ribosomal ribonucleic acid and amoA genes), pyrosequencing and multivariate statistical analysis to suggest possible factors driving the ecology of prokaryotic microbes on the surface of Aldegondabreen and their potential role in nitrogen cycling. The combination of high nutrient input with subsidy from the bird colonies, supraglacial meltwater flow and the presence of fine, clay-like particles supports the formation of centimetre-scale cryoconite aggregates in some areas of the glacier surface. We show that a diverse microbial community is present, dominated by the cyanobacteria, Proteobacteria, Bacteroidetes, and Actinobacteria, that are well-known in supraglacial environments. Importantly, ammonia-oxidizing archaea were detected in the aggregates for the first time on an Arctic glacier. Still Image Arctic glacier Svalbard DataCite Metadata Store (German National Library of Science and Technology) Aldegondabreen ENVELOPE(14.074,14.074,77.978,77.978) Arctic Svalbard |
institution |
Open Polar |
collection |
DataCite Metadata Store (German National Library of Science and Technology) |
op_collection_id |
ftdatacite |
language |
unknown |
topic |
Environmental Science |
spellingShingle |
Environmental Science Zarsky, Jakub D Stibal, Marek Hodson, Andy Sattler, Birgit Schostag, Morten Hansen, Lars H Jacobsen, Carsten S Psenner, Roland RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen |
topic_facet |
Environmental Science |
description |
Figure 3. RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen. Only significant factors ( p Abstract The aggregation of surface debris particles on melting glaciers into larger units (cryoconite) provides microenvironments for various microorganisms and metabolic processes. Here we investigate the microbial community on the surface of Aldegondabreen, a valley glacier in Svalbard which is supplied with carbon and nutrients from different sources across its surface, including colonies of seabirds. We used a combination of geochemical analysis (of surface debris, ice and meltwater), quantitative polymerase chain reactions (targeting the 16S ribosomal ribonucleic acid and amoA genes), pyrosequencing and multivariate statistical analysis to suggest possible factors driving the ecology of prokaryotic microbes on the surface of Aldegondabreen and their potential role in nitrogen cycling. The combination of high nutrient input with subsidy from the bird colonies, supraglacial meltwater flow and the presence of fine, clay-like particles supports the formation of centimetre-scale cryoconite aggregates in some areas of the glacier surface. We show that a diverse microbial community is present, dominated by the cyanobacteria, Proteobacteria, Bacteroidetes, and Actinobacteria, that are well-known in supraglacial environments. Importantly, ammonia-oxidizing archaea were detected in the aggregates for the first time on an Arctic glacier. |
format |
Still Image |
author |
Zarsky, Jakub D Stibal, Marek Hodson, Andy Sattler, Birgit Schostag, Morten Hansen, Lars H Jacobsen, Carsten S Psenner, Roland |
author_facet |
Zarsky, Jakub D Stibal, Marek Hodson, Andy Sattler, Birgit Schostag, Morten Hansen, Lars H Jacobsen, Carsten S Psenner, Roland |
author_sort |
Zarsky, Jakub D |
title |
RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen |
title_short |
RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen |
title_full |
RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen |
title_fullStr |
RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen |
title_full_unstemmed |
RDA biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on Aldegondabreen |
title_sort |
rda biplot visualizing the effects of physical environmental variables (dashed arrows for quantitative and filled triangles for categories) on the chemistry (solid arrows) of cryoconite holes on aldegondabreen |
publisher |
IOP Publishing |
publishDate |
2013 |
url |
https://dx.doi.org/10.6084/m9.figshare.1011894.v1 https://iop.figshare.com/articles/figure/_RDA_biplot_visualizing_the_effects_of_physical_environmental_variables_dashed_arrows_for_quantitati/1011894/1 |
long_lat |
ENVELOPE(14.074,14.074,77.978,77.978) |
geographic |
Aldegondabreen Arctic Svalbard |
geographic_facet |
Aldegondabreen Arctic Svalbard |
genre |
Arctic glacier Svalbard |
genre_facet |
Arctic glacier Svalbard |
op_relation |
https://dx.doi.org/10.6084/m9.figshare.1011894 |
op_rights |
Creative Commons Attribution 4.0 International https://creativecommons.org/licenses/by/4.0/legalcode cc-by-4.0 |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.6084/m9.figshare.1011894.v1 https://doi.org/10.6084/m9.figshare.1011894 |
_version_ |
1766340994199977984 |