Bacterial rarity in a subarctic stream network: Biodiversity patterns, assembly mechanisms and types of rarity
Abstract Dendritic stream networks are an intriguing subject for exploring the spatial and temporal variability of the rare and common bacterial biosphere, yet very few such studies have been conducted. We sampled riverine bacterioplankton at 13 sites in a subarctic riverine network across 3 years,...
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crwiley:10.1111/1462-2920.16592 2024-06-02T08:15:01+00:00 Bacterial rarity in a subarctic stream network: Biodiversity patterns, assembly mechanisms and types of rarity Malazarte, Jacqueline Muotka, Timo Jyväsjärvi, Jussi Lehosmaa, Kaisa Mustonen, Kaisa‐Riikka Tarvainen, Laura Huttunen, Kaisa‐Leena Pohjois-Pohjanmaan Rahasto 2024 http://dx.doi.org/10.1111/1462-2920.16592 en eng Wiley http://creativecommons.org/licenses/by/4.0/ Environmental Microbiology volume 26, issue 3 ISSN 1462-2912 1462-2920 journal-article 2024 crwiley https://doi.org/10.1111/1462-2920.16592 2024-05-06T06:59:12Z Abstract Dendritic stream networks are an intriguing subject for exploring the spatial and temporal variability of the rare and common bacterial biosphere, yet very few such studies have been conducted. We sampled riverine bacterioplankton at 13 sites in a subarctic riverine network across 3 years, with five sampling times each year. Ordinations showed a consistent pattern of downstream shift for both rare and abundant subcommunities. We also detected a temporal signal, with seasonal community shifts reflecting changes in water temperature and groundwater contribution, and an inter‐annual pattern where the year 2018 differed from other years. Phylogenetic turnover of the rare subcommunity indicated homogeneous selection, whereas the abundant subcommunity was mainly stochastically structured. Transiently rare taxa were the dominant type of rarity with the highest proportion at the headwater regions. The bacterioplankton community was characterized by a small group of core taxa that occurred at most sites with little temporal variation, a very large number of permanently or transiently rare taxa, and taxa shifting through time between the rare and abundant biosphere. While this basic structure could have been detected with less extensive temporal replication, a comprehensive understanding of the rare biosphere in riverine bacterioplankton can only be achieved via inter‐annual, spatially replicated sampling that covers the whole stream network. Article in Journal/Newspaper Subarctic Wiley Online Library Environmental Microbiology 26 3 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract Dendritic stream networks are an intriguing subject for exploring the spatial and temporal variability of the rare and common bacterial biosphere, yet very few such studies have been conducted. We sampled riverine bacterioplankton at 13 sites in a subarctic riverine network across 3 years, with five sampling times each year. Ordinations showed a consistent pattern of downstream shift for both rare and abundant subcommunities. We also detected a temporal signal, with seasonal community shifts reflecting changes in water temperature and groundwater contribution, and an inter‐annual pattern where the year 2018 differed from other years. Phylogenetic turnover of the rare subcommunity indicated homogeneous selection, whereas the abundant subcommunity was mainly stochastically structured. Transiently rare taxa were the dominant type of rarity with the highest proportion at the headwater regions. The bacterioplankton community was characterized by a small group of core taxa that occurred at most sites with little temporal variation, a very large number of permanently or transiently rare taxa, and taxa shifting through time between the rare and abundant biosphere. While this basic structure could have been detected with less extensive temporal replication, a comprehensive understanding of the rare biosphere in riverine bacterioplankton can only be achieved via inter‐annual, spatially replicated sampling that covers the whole stream network. |
author2 |
Pohjois-Pohjanmaan Rahasto |
format |
Article in Journal/Newspaper |
author |
Malazarte, Jacqueline Muotka, Timo Jyväsjärvi, Jussi Lehosmaa, Kaisa Mustonen, Kaisa‐Riikka Tarvainen, Laura Huttunen, Kaisa‐Leena |
spellingShingle |
Malazarte, Jacqueline Muotka, Timo Jyväsjärvi, Jussi Lehosmaa, Kaisa Mustonen, Kaisa‐Riikka Tarvainen, Laura Huttunen, Kaisa‐Leena Bacterial rarity in a subarctic stream network: Biodiversity patterns, assembly mechanisms and types of rarity |
author_facet |
Malazarte, Jacqueline Muotka, Timo Jyväsjärvi, Jussi Lehosmaa, Kaisa Mustonen, Kaisa‐Riikka Tarvainen, Laura Huttunen, Kaisa‐Leena |
author_sort |
Malazarte, Jacqueline |
title |
Bacterial rarity in a subarctic stream network: Biodiversity patterns, assembly mechanisms and types of rarity |
title_short |
Bacterial rarity in a subarctic stream network: Biodiversity patterns, assembly mechanisms and types of rarity |
title_full |
Bacterial rarity in a subarctic stream network: Biodiversity patterns, assembly mechanisms and types of rarity |
title_fullStr |
Bacterial rarity in a subarctic stream network: Biodiversity patterns, assembly mechanisms and types of rarity |
title_full_unstemmed |
Bacterial rarity in a subarctic stream network: Biodiversity patterns, assembly mechanisms and types of rarity |
title_sort |
bacterial rarity in a subarctic stream network: biodiversity patterns, assembly mechanisms and types of rarity |
publisher |
Wiley |
publishDate |
2024 |
url |
http://dx.doi.org/10.1111/1462-2920.16592 |
genre |
Subarctic |
genre_facet |
Subarctic |
op_source |
Environmental Microbiology volume 26, issue 3 ISSN 1462-2912 1462-2920 |
op_rights |
http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1111/1462-2920.16592 |
container_title |
Environmental Microbiology |
container_volume |
26 |
container_issue |
3 |
_version_ |
1800739057370660864 |