Phylogenetic diversity and environment form assembly rules for Arctic diatom genera
Aim This study investigates taxonomic and phylogenetic diversity in diatom genera to evaluate assembly rules for eukaryotic microbes across the Siberian tree line. We first analysed how phylogenetic distance relates to taxonomic richness and turnover. Second, we used relatedness indices to evaluate...
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ftubpotsdam:oai:kobv.de-opus4-uni-potsdam:61677 2024-04-21T08:12:56+00:00 Phylogenetic diversity and environment form assembly rules for Arctic diatom genera Stoof-Leichsenring, Kathleen Rosemarie (Dr.) Pestryakova, Luidmila Agafyevna Epp, Laura Saskia (Dr. rer. nat.) Herzschuh, Ulrike (Prof. Dr.) 2020-01-29 https://publishup.uni-potsdam.de/frontdoor/index/index/docId/61677 https://doi.org/10.1111/jbi.13786 eng eng https://publishup.uni-potsdam.de/frontdoor/index/index/docId/61677 https://doi.org/10.1111/jbi.13786 https://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/closedAccess ddc:570 Institut für Umweltwissenschaften und Geographie article doc-type:article 2020 ftubpotsdam https://doi.org/10.1111/jbi.13786 2024-03-27T15:02:48Z Aim This study investigates taxonomic and phylogenetic diversity in diatom genera to evaluate assembly rules for eukaryotic microbes across the Siberian tree line. We first analysed how phylogenetic distance relates to taxonomic richness and turnover. Second, we used relatedness indices to evaluate if environmental filtering or competition influences the assemblies in space and through time. Third, we used distance-based ordination to test which environmental variables shape diatom turnover. Location Yakutia and Taymyria, Russia: we sampled 78 surface sediments and a sediment core, extending to 7,000 years before present, to capture the forest-tundra transition in space and time respectively. Taxon Arctic freshwater diatoms. Methods We applied metabarcoding to retrieve diatom diversity from surface and core sedimentary DNA. The taxonomic assignment binned sequence types (lineages) into genera and created taxonomic (abundance of lineages within different genera) and phylogenetic datasets (phylogenetic distances of lineages within different genera). Results Contrary to our expectations, we find a unimodal relationship between phylogenetic distance and richness in diatom genera. We discern a positive relationship between phylogenetic distance and taxonomic turnover in spatially and temporally distributed diatom genera. Furthermore, we reveal positive relatedness indices in diatom genera across the spatial environmental gradient and predominantly in time slices at a single location, with very few exceptions assuming effects of competition. Distance-based ordination of taxonomic and phylogenetic turnover indicates that lake environment variables, like HCO3- and water depth, largely explain diatom turnover. Main conclusion Phylogenetic and abiotic assembly rules are important in understanding the regional assembly of diatom genera across lakes in the Siberian tree line ecotone. Using a space-time approach we are able to exclude the influence of geography and elucidate that lake environmental variables primarily shape ... Article in Journal/Newspaper Tundra Yakutia University of Potsdam: publish.UP Journal of Biogeography 47 5 1166 1179 |
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University of Potsdam: publish.UP |
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ftubpotsdam |
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English |
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ddc:570 Institut für Umweltwissenschaften und Geographie |
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ddc:570 Institut für Umweltwissenschaften und Geographie Stoof-Leichsenring, Kathleen Rosemarie (Dr.) Pestryakova, Luidmila Agafyevna Epp, Laura Saskia (Dr. rer. nat.) Herzschuh, Ulrike (Prof. Dr.) Phylogenetic diversity and environment form assembly rules for Arctic diatom genera |
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ddc:570 Institut für Umweltwissenschaften und Geographie |
description |
Aim This study investigates taxonomic and phylogenetic diversity in diatom genera to evaluate assembly rules for eukaryotic microbes across the Siberian tree line. We first analysed how phylogenetic distance relates to taxonomic richness and turnover. Second, we used relatedness indices to evaluate if environmental filtering or competition influences the assemblies in space and through time. Third, we used distance-based ordination to test which environmental variables shape diatom turnover. Location Yakutia and Taymyria, Russia: we sampled 78 surface sediments and a sediment core, extending to 7,000 years before present, to capture the forest-tundra transition in space and time respectively. Taxon Arctic freshwater diatoms. Methods We applied metabarcoding to retrieve diatom diversity from surface and core sedimentary DNA. The taxonomic assignment binned sequence types (lineages) into genera and created taxonomic (abundance of lineages within different genera) and phylogenetic datasets (phylogenetic distances of lineages within different genera). Results Contrary to our expectations, we find a unimodal relationship between phylogenetic distance and richness in diatom genera. We discern a positive relationship between phylogenetic distance and taxonomic turnover in spatially and temporally distributed diatom genera. Furthermore, we reveal positive relatedness indices in diatom genera across the spatial environmental gradient and predominantly in time slices at a single location, with very few exceptions assuming effects of competition. Distance-based ordination of taxonomic and phylogenetic turnover indicates that lake environment variables, like HCO3- and water depth, largely explain diatom turnover. Main conclusion Phylogenetic and abiotic assembly rules are important in understanding the regional assembly of diatom genera across lakes in the Siberian tree line ecotone. Using a space-time approach we are able to exclude the influence of geography and elucidate that lake environmental variables primarily shape ... |
format |
Article in Journal/Newspaper |
author |
Stoof-Leichsenring, Kathleen Rosemarie (Dr.) Pestryakova, Luidmila Agafyevna Epp, Laura Saskia (Dr. rer. nat.) Herzschuh, Ulrike (Prof. Dr.) |
author_facet |
Stoof-Leichsenring, Kathleen Rosemarie (Dr.) Pestryakova, Luidmila Agafyevna Epp, Laura Saskia (Dr. rer. nat.) Herzschuh, Ulrike (Prof. Dr.) |
author_sort |
Stoof-Leichsenring, Kathleen Rosemarie (Dr.) |
title |
Phylogenetic diversity and environment form assembly rules for Arctic diatom genera |
title_short |
Phylogenetic diversity and environment form assembly rules for Arctic diatom genera |
title_full |
Phylogenetic diversity and environment form assembly rules for Arctic diatom genera |
title_fullStr |
Phylogenetic diversity and environment form assembly rules for Arctic diatom genera |
title_full_unstemmed |
Phylogenetic diversity and environment form assembly rules for Arctic diatom genera |
title_sort |
phylogenetic diversity and environment form assembly rules for arctic diatom genera |
publishDate |
2020 |
url |
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/61677 https://doi.org/10.1111/jbi.13786 |
genre |
Tundra Yakutia |
genre_facet |
Tundra Yakutia |
op_relation |
https://publishup.uni-potsdam.de/frontdoor/index/index/docId/61677 https://doi.org/10.1111/jbi.13786 |
op_rights |
https://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/closedAccess |
op_doi |
https://doi.org/10.1111/jbi.13786 |
container_title |
Journal of Biogeography |
container_volume |
47 |
container_issue |
5 |
container_start_page |
1166 |
op_container_end_page |
1179 |
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1796933196354420736 |