Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters
Ecogenomics is an advanced approach to biodiversity research that can serve to define evolutionary relationships and species interactions within complex ecosystems. Current hypotheses propose that impacts of environmental changes on the biodiversity, composition and bioactivity of species are partic...
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ftawi:oai:epic.awi.de:38341 2024-09-15T17:51:14+00:00 Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters Westphal, Stephanie Wohlrab, Sylke Koch, Boris Cembella, Allan John, Uwe 2015-02-25 https://epic.awi.de/id/eprint/38341/ https://hdl.handle.net/10013/epic.45753 unknown Westphal, S. orcid:0000-0002-8274-3080 , Wohlrab, S. orcid:0000-0003-3190-0880 , Koch, B. orcid:0000-0002-8453-731X , Cembella, A. and John, U. orcid:0000-0002-1297-4086 (2015) Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters , 2015 Aquatic Sciences Meeting, Granada, Spain, 22 February 2015 - 27 February 2015 . hdl:10013/epic.45753 EPIC32015 Aquatic Sciences Meeting, Granada, Spain, 2015-02-22-2015-02-27 Conference notRev 2015 ftawi 2024-06-24T04:12:21Z Ecogenomics is an advanced approach to biodiversity research that can serve to define evolutionary relationships and species interactions within complex ecosystems. Current hypotheses propose that impacts of environmental changes on the biodiversity, composition and bioactivity of species are particularly pronounced in Arctic regions. Our study focused on the comparison of molecular biodiversity of four planktonic size-fractions (micro-, nano-, pico- and bacterioplankton) in coastal waters of Greenland and Iceland, and the consequences for ecosystem functioning. Molecular diversity was assessed via sequencing the 28S hypervariable D1/D2 region, or the 16 rDNA for 454 amplicon sequencing. Metatranscriptomic data were assessed using Illumina 100 paired-end technology. We showed that biodiversity distribution within the two areas differed markedly within and among size-fractions. In general, we observed a higher diversity, as well as higher similarities between Greenland and Iceland station transects, within smaller size-fractions. Diversity differences between the regions were highly correlated with temperature and salinity, but also with silicate and phosphate concentrations impact. This pattern was also reflected in activity profiles deduced from the metatranscriptomic analyses. Conference Object Arctic Greenland Iceland Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
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Ecogenomics is an advanced approach to biodiversity research that can serve to define evolutionary relationships and species interactions within complex ecosystems. Current hypotheses propose that impacts of environmental changes on the biodiversity, composition and bioactivity of species are particularly pronounced in Arctic regions. Our study focused on the comparison of molecular biodiversity of four planktonic size-fractions (micro-, nano-, pico- and bacterioplankton) in coastal waters of Greenland and Iceland, and the consequences for ecosystem functioning. Molecular diversity was assessed via sequencing the 28S hypervariable D1/D2 region, or the 16 rDNA for 454 amplicon sequencing. Metatranscriptomic data were assessed using Illumina 100 paired-end technology. We showed that biodiversity distribution within the two areas differed markedly within and among size-fractions. In general, we observed a higher diversity, as well as higher similarities between Greenland and Iceland station transects, within smaller size-fractions. Diversity differences between the regions were highly correlated with temperature and salinity, but also with silicate and phosphate concentrations impact. This pattern was also reflected in activity profiles deduced from the metatranscriptomic analyses. |
format |
Conference Object |
author |
Westphal, Stephanie Wohlrab, Sylke Koch, Boris Cembella, Allan John, Uwe |
spellingShingle |
Westphal, Stephanie Wohlrab, Sylke Koch, Boris Cembella, Allan John, Uwe Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters |
author_facet |
Westphal, Stephanie Wohlrab, Sylke Koch, Boris Cembella, Allan John, Uwe |
author_sort |
Westphal, Stephanie |
title |
Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters |
title_short |
Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters |
title_full |
Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters |
title_fullStr |
Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters |
title_full_unstemmed |
Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters |
title_sort |
discrimination of biodiversity patterns among microeukaryotic plankton in arctic coastal waters |
publishDate |
2015 |
url |
https://epic.awi.de/id/eprint/38341/ https://hdl.handle.net/10013/epic.45753 |
genre |
Arctic Greenland Iceland |
genre_facet |
Arctic Greenland Iceland |
op_source |
EPIC32015 Aquatic Sciences Meeting, Granada, Spain, 2015-02-22-2015-02-27 |
op_relation |
Westphal, S. orcid:0000-0002-8274-3080 , Wohlrab, S. orcid:0000-0003-3190-0880 , Koch, B. orcid:0000-0002-8453-731X , Cembella, A. and John, U. orcid:0000-0002-1297-4086 (2015) Discrimination of Biodiversity patterns among microeukaryotic plankton in arctic coastal waters , 2015 Aquatic Sciences Meeting, Granada, Spain, 22 February 2015 - 27 February 2015 . hdl:10013/epic.45753 |
_version_ |
1810293084277178368 |