Strong and weak trait–environment associations in subarctic stream diatoms
Publisher Copyright: © 2024 The Author(s). Freshwater Biology published by John Wiley & Sons Ecological traits are functional characteristics measurable at the species level and provide valuable insights into how organisms respond to environmental constraints. Here, we investigated how diatom tr...
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ftaaltouniv:oai:aaltodoc.aalto.fi:123456789/129613 2024-09-15T18:37:55+00:00 Strong and weak trait–environment associations in subarctic stream diatoms Castañeda Gómez, Laura Wang, Jianjun Pérez-Burillo, Javier Pajunen, Virpi Sillanpää, Mika Soininen, Janne Department of Built Environment Water and Environmental Eng. University of Helsinki CAS - Nanjing Institute of Geography and Limnology Gulf University for Science and Technology Aalto-yliopisto Aalto University 2024-08 9 application/pdf https://aaltodoc.aalto.fi/handle/123456789/129613 https://doi.org/10.1111/fwb.14291 en eng Wiley-Blackwell Freshwater Biology Volume 69, issue 8, pp. 1084-1092 Castañeda Gómez, L, Wang, J, Pérez-Burillo, J, Pajunen, V, Sillanpää, M & Soininen, J 2024, ' Strong and weak trait–environment associations in subarctic stream diatoms ', Freshwater Biology, vol. 69, no. 8, pp. 1084-1092 . https://doi.org/10.1111/fwb.14291 0046-5070 PURE UUID: 1dffa814-df7f-4ccc-b430-d5b4fc90ae2f PURE ITEMURL: https://research.aalto.fi/en/publications/1dffa814-df7f-4ccc-b430-d5b4fc90ae2f PURE LINK: http://www.scopus.com/inward/record.url?scp=85196627425&partnerID=8YFLogxK PURE FILEURL: https://research.aalto.fi/files/153144424/Freshwater_Biology_-_2024_-_Casta_eda_G_mez_-_Strong_and_weak_trait_environment_associations_in_subarctic_stream_diatoms.pdf https://aaltodoc.aalto.fi/handle/123456789/129613 URN:NBN:fi:aalto-202408065186 doi:10.1111/fwb.14291 openAccess algae diatoms joint species distribution modelling subarctic streams traits A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä publishedVersion 2024 ftaaltouniv https://doi.org/10.1111/fwb.14291 2024-08-13T23:39:34Z Publisher Copyright: © 2024 The Author(s). Freshwater Biology published by John Wiley & Sons Ecological traits are functional characteristics measurable at the species level and provide valuable insights into how organisms respond to environmental constraints. Here, we investigated how diatom trait-groups and individual species respond to environmental variables, and identified indicator species that are particularly sensitive to environmental variation. Diatoms were sampled at 129 sites in the subarctic streams of Norwegian islands and mainland, and were categorised into three trait groups: high-profile species that live in an erect position, low-profile species living in low position along the surface, and motile diatoms. Data were analysed using a recently developed method known as Hierarchical Modelling of Species Communities, which is a flexible framework for joint species distribution modelling. We found that diatom trait-groups responded relatively weakly to measured environmental variables but showed positive or negative relationships with major ion levels of the water (e.g., conductivity, calcium [Ca2+], sodium [Na+] or chlorine [Cl−]). Variance partitioning showed a similar, important contribution of the chemical variables for all of the trait groups, while the contributions of physical variables and especially random (spatial) factors were notably lower for all trait groups. Our findings also highlighted considerable among-species variation in their relation to environmental variables within the trait groups. Notably, we identified a high number of indicator species within each trait group that were explained by specific environmental factors, mostly chemical variables (conductivity, pH, total nitrogen and phosphorus, Ca2+, Na+, Cl−). Our study suggests that certain diatom species can be considered as useful environmental indicators but the variability in species preferences within the trait group may in some circumstances hamper the use of ecological traits in environmental assessments. Thus, ... Article in Journal/Newspaper Subarctic Aalto University Publication Archive (Aaltodoc) Freshwater Biology 69 8 1084 1092 |
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Open Polar |
collection |
Aalto University Publication Archive (Aaltodoc) |
op_collection_id |
ftaaltouniv |
language |
English |
topic |
algae diatoms joint species distribution modelling subarctic streams traits |
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algae diatoms joint species distribution modelling subarctic streams traits Castañeda Gómez, Laura Wang, Jianjun Pérez-Burillo, Javier Pajunen, Virpi Sillanpää, Mika Soininen, Janne Strong and weak trait–environment associations in subarctic stream diatoms |
topic_facet |
algae diatoms joint species distribution modelling subarctic streams traits |
description |
Publisher Copyright: © 2024 The Author(s). Freshwater Biology published by John Wiley & Sons Ecological traits are functional characteristics measurable at the species level and provide valuable insights into how organisms respond to environmental constraints. Here, we investigated how diatom trait-groups and individual species respond to environmental variables, and identified indicator species that are particularly sensitive to environmental variation. Diatoms were sampled at 129 sites in the subarctic streams of Norwegian islands and mainland, and were categorised into three trait groups: high-profile species that live in an erect position, low-profile species living in low position along the surface, and motile diatoms. Data were analysed using a recently developed method known as Hierarchical Modelling of Species Communities, which is a flexible framework for joint species distribution modelling. We found that diatom trait-groups responded relatively weakly to measured environmental variables but showed positive or negative relationships with major ion levels of the water (e.g., conductivity, calcium [Ca2+], sodium [Na+] or chlorine [Cl−]). Variance partitioning showed a similar, important contribution of the chemical variables for all of the trait groups, while the contributions of physical variables and especially random (spatial) factors were notably lower for all trait groups. Our findings also highlighted considerable among-species variation in their relation to environmental variables within the trait groups. Notably, we identified a high number of indicator species within each trait group that were explained by specific environmental factors, mostly chemical variables (conductivity, pH, total nitrogen and phosphorus, Ca2+, Na+, Cl−). Our study suggests that certain diatom species can be considered as useful environmental indicators but the variability in species preferences within the trait group may in some circumstances hamper the use of ecological traits in environmental assessments. Thus, ... |
author2 |
Department of Built Environment Water and Environmental Eng. University of Helsinki CAS - Nanjing Institute of Geography and Limnology Gulf University for Science and Technology Aalto-yliopisto Aalto University |
format |
Article in Journal/Newspaper |
author |
Castañeda Gómez, Laura Wang, Jianjun Pérez-Burillo, Javier Pajunen, Virpi Sillanpää, Mika Soininen, Janne |
author_facet |
Castañeda Gómez, Laura Wang, Jianjun Pérez-Burillo, Javier Pajunen, Virpi Sillanpää, Mika Soininen, Janne |
author_sort |
Castañeda Gómez, Laura |
title |
Strong and weak trait–environment associations in subarctic stream diatoms |
title_short |
Strong and weak trait–environment associations in subarctic stream diatoms |
title_full |
Strong and weak trait–environment associations in subarctic stream diatoms |
title_fullStr |
Strong and weak trait–environment associations in subarctic stream diatoms |
title_full_unstemmed |
Strong and weak trait–environment associations in subarctic stream diatoms |
title_sort |
strong and weak trait–environment associations in subarctic stream diatoms |
publisher |
Wiley-Blackwell |
publishDate |
2024 |
url |
https://aaltodoc.aalto.fi/handle/123456789/129613 https://doi.org/10.1111/fwb.14291 |
genre |
Subarctic |
genre_facet |
Subarctic |
op_relation |
Freshwater Biology Volume 69, issue 8, pp. 1084-1092 Castañeda Gómez, L, Wang, J, Pérez-Burillo, J, Pajunen, V, Sillanpää, M & Soininen, J 2024, ' Strong and weak trait–environment associations in subarctic stream diatoms ', Freshwater Biology, vol. 69, no. 8, pp. 1084-1092 . https://doi.org/10.1111/fwb.14291 0046-5070 PURE UUID: 1dffa814-df7f-4ccc-b430-d5b4fc90ae2f PURE ITEMURL: https://research.aalto.fi/en/publications/1dffa814-df7f-4ccc-b430-d5b4fc90ae2f PURE LINK: http://www.scopus.com/inward/record.url?scp=85196627425&partnerID=8YFLogxK PURE FILEURL: https://research.aalto.fi/files/153144424/Freshwater_Biology_-_2024_-_Casta_eda_G_mez_-_Strong_and_weak_trait_environment_associations_in_subarctic_stream_diatoms.pdf https://aaltodoc.aalto.fi/handle/123456789/129613 URN:NBN:fi:aalto-202408065186 doi:10.1111/fwb.14291 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.1111/fwb.14291 |
container_title |
Freshwater Biology |
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69 |
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8 |
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1084 |
op_container_end_page |
1092 |
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1810482256307814400 |