Diatoms in cryoconite holes and adjacent proglacial freshwater sediments, Nordenskiöld glacier (Spitsbergen, High Arctic)
Cryoconite holes are small, extreme habitats, widespread in the ablation zones of glaciers worldwide. They can provide a suitable environment for microorganisms including bacteria, cyanobacteria, algae, fungi, and invertebrates. Diatoms have been previously recovered from cryoconite holes of Greenla...
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ftunivgent:oai:archive.ugent.be:7154265 2023-06-11T04:05:54+02:00 Diatoms in cryoconite holes and adjacent proglacial freshwater sediments, Nordenskiöld glacier (Spitsbergen, High Arctic) Vinšová, Petra Pinseel, Eveline Kohler, Tyler J Van de Vijver, Bart Žárský, Jakub D Kavan, Jan Kopalová, Kateřina 2015 application/pdf https://biblio.ugent.be/publication/7154265 http://hdl.handle.net/1854/LU-7154265 https://doi.org/10.5817/CPR2015-2-11 https://biblio.ugent.be/publication/7154265/file/7154266 eng eng https://biblio.ugent.be/publication/7154265 http://hdl.handle.net/1854/LU-7154265 http://dx.doi.org/10.5817/CPR2015-2-11 https://biblio.ugent.be/publication/7154265/file/7154266 No license (in copyright) info:eu-repo/semantics/restrictedAccess CZECH POLAR REPORTS ISSN: 1805-0689 Biology and Life Sciences limnology polar region ecology lakes Svalbard cryosphere journalArticle info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 2015 ftunivgent https://doi.org/10.5817/CPR2015-2-11 2023-05-10T22:25:00Z Cryoconite holes are small, extreme habitats, widespread in the ablation zones of glaciers worldwide. They can provide a suitable environment for microorganisms including bacteria, cyanobacteria, algae, fungi, and invertebrates. Diatoms have been previously recovered from cryoconite holes of Greenland and of Svalbard, and recent findings from Antarctica suggest that cryoconite holes may harbor a unique diatom flora distinct from other aquatic habitats nearby. In the present study, we characterize the diatom communities of Nordenskiöld glacier cryoconite holes in Billefjorden (Svalbard, Spitsbergen), and multivariate approaches were used to compare them with three freshwater localities in the immediate vicinity to investigate possible sources of the species pool. We found cryoconite holes to have similar or greater average genus-richness than adjacent lake/ ponds habitats, even though lower numbers of valves were recovered. Overall, cryoconite hole diatom communities differed significantly from those observed in lakes, suggesting that other sources actively contribute to these communities than nearby lakes alone. This further suggests that (i) diatoms present in cryoconite might not exclusively originate from aquatic habitats, but also from (semi-) terrestrial ones; and (ii) that a much wider area than the immediate surroundings should be considered as a possible source for cryoconite diatom flora. Article in Journal/Newspaper Antarc* Antarctica Arctic Billefjorden glacier glacier Greenland Svalbard Spitsbergen Ghent University Academic Bibliography Arctic Svalbard Greenland Billefjorden ENVELOPE(16.417,16.417,78.563,78.563) Czech Polar Reports 5 2 112 133 |
institution |
Open Polar |
collection |
Ghent University Academic Bibliography |
op_collection_id |
ftunivgent |
language |
English |
topic |
Biology and Life Sciences limnology polar region ecology lakes Svalbard cryosphere |
spellingShingle |
Biology and Life Sciences limnology polar region ecology lakes Svalbard cryosphere Vinšová, Petra Pinseel, Eveline Kohler, Tyler J Van de Vijver, Bart Žárský, Jakub D Kavan, Jan Kopalová, Kateřina Diatoms in cryoconite holes and adjacent proglacial freshwater sediments, Nordenskiöld glacier (Spitsbergen, High Arctic) |
topic_facet |
Biology and Life Sciences limnology polar region ecology lakes Svalbard cryosphere |
description |
Cryoconite holes are small, extreme habitats, widespread in the ablation zones of glaciers worldwide. They can provide a suitable environment for microorganisms including bacteria, cyanobacteria, algae, fungi, and invertebrates. Diatoms have been previously recovered from cryoconite holes of Greenland and of Svalbard, and recent findings from Antarctica suggest that cryoconite holes may harbor a unique diatom flora distinct from other aquatic habitats nearby. In the present study, we characterize the diatom communities of Nordenskiöld glacier cryoconite holes in Billefjorden (Svalbard, Spitsbergen), and multivariate approaches were used to compare them with three freshwater localities in the immediate vicinity to investigate possible sources of the species pool. We found cryoconite holes to have similar or greater average genus-richness than adjacent lake/ ponds habitats, even though lower numbers of valves were recovered. Overall, cryoconite hole diatom communities differed significantly from those observed in lakes, suggesting that other sources actively contribute to these communities than nearby lakes alone. This further suggests that (i) diatoms present in cryoconite might not exclusively originate from aquatic habitats, but also from (semi-) terrestrial ones; and (ii) that a much wider area than the immediate surroundings should be considered as a possible source for cryoconite diatom flora. |
format |
Article in Journal/Newspaper |
author |
Vinšová, Petra Pinseel, Eveline Kohler, Tyler J Van de Vijver, Bart Žárský, Jakub D Kavan, Jan Kopalová, Kateřina |
author_facet |
Vinšová, Petra Pinseel, Eveline Kohler, Tyler J Van de Vijver, Bart Žárský, Jakub D Kavan, Jan Kopalová, Kateřina |
author_sort |
Vinšová, Petra |
title |
Diatoms in cryoconite holes and adjacent proglacial freshwater sediments, Nordenskiöld glacier (Spitsbergen, High Arctic) |
title_short |
Diatoms in cryoconite holes and adjacent proglacial freshwater sediments, Nordenskiöld glacier (Spitsbergen, High Arctic) |
title_full |
Diatoms in cryoconite holes and adjacent proglacial freshwater sediments, Nordenskiöld glacier (Spitsbergen, High Arctic) |
title_fullStr |
Diatoms in cryoconite holes and adjacent proglacial freshwater sediments, Nordenskiöld glacier (Spitsbergen, High Arctic) |
title_full_unstemmed |
Diatoms in cryoconite holes and adjacent proglacial freshwater sediments, Nordenskiöld glacier (Spitsbergen, High Arctic) |
title_sort |
diatoms in cryoconite holes and adjacent proglacial freshwater sediments, nordenskiöld glacier (spitsbergen, high arctic) |
publishDate |
2015 |
url |
https://biblio.ugent.be/publication/7154265 http://hdl.handle.net/1854/LU-7154265 https://doi.org/10.5817/CPR2015-2-11 https://biblio.ugent.be/publication/7154265/file/7154266 |
long_lat |
ENVELOPE(16.417,16.417,78.563,78.563) |
geographic |
Arctic Svalbard Greenland Billefjorden |
geographic_facet |
Arctic Svalbard Greenland Billefjorden |
genre |
Antarc* Antarctica Arctic Billefjorden glacier glacier Greenland Svalbard Spitsbergen |
genre_facet |
Antarc* Antarctica Arctic Billefjorden glacier glacier Greenland Svalbard Spitsbergen |
op_source |
CZECH POLAR REPORTS ISSN: 1805-0689 |
op_relation |
https://biblio.ugent.be/publication/7154265 http://hdl.handle.net/1854/LU-7154265 http://dx.doi.org/10.5817/CPR2015-2-11 https://biblio.ugent.be/publication/7154265/file/7154266 |
op_rights |
No license (in copyright) info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.5817/CPR2015-2-11 |
container_title |
Czech Polar Reports |
container_volume |
5 |
container_issue |
2 |
container_start_page |
112 |
op_container_end_page |
133 |
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1768377582235942912 |