Impact of climate change on Arctic macroalgal communities
International audience The Arctic region faces a warming rate that is more than twice the global average. Seaice loss, increase in precipitation and freshwater discharge, changes in underwater light, and amplification of ocean acidification modify benthic habitats and the communities they host. Here...
Published in: | Global and Planetary Change |
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Format: | Article in Journal/Newspaper |
Language: | English |
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Online Access: | https://cnrs.hal.science/hal-03831187 https://cnrs.hal.science/hal-03831187/document https://cnrs.hal.science/hal-03831187/file/GLOPLACHA-D-22-00117_R1-2%20copy.pdf https://doi.org/10.1016/j.gloplacha.2022.103980 |
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ftinsu:oai:HAL:hal-03831187v1 2023-11-12T04:10:42+01:00 Impact of climate change on Arctic macroalgal communities Lebrun, Anais Comeau, Steeve Gazeau, Frédéric Gattuso, Jean-Pierre Laboratoire d'océanographie de Villefranche (LOV) Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de la Mer de Villefranche (IMEV) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Institut du Développement Durable et des Relations Internationales (IDDRI) Institut d'Études Politiques IEP - Paris 2022-11-10 https://cnrs.hal.science/hal-03831187 https://cnrs.hal.science/hal-03831187/document https://cnrs.hal.science/hal-03831187/file/GLOPLACHA-D-22-00117_R1-2%20copy.pdf https://doi.org/10.1016/j.gloplacha.2022.103980 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.gloplacha.2022.103980 hal-03831187 https://cnrs.hal.science/hal-03831187 https://cnrs.hal.science/hal-03831187/document https://cnrs.hal.science/hal-03831187/file/GLOPLACHA-D-22-00117_R1-2%20copy.pdf doi:10.1016/j.gloplacha.2022.103980 info:eu-repo/semantics/OpenAccess ISSN: 0921-8181 Global and Planetary Change https://cnrs.hal.science/hal-03831187 Global and Planetary Change, 2022, 219, ⟨10.1016/j.gloplacha.2022.103980⟩ climate change macroalgae Arctic fucoids kelps coralline algae [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDE.ES]Environmental Sciences/Environmental and Society [SDE.MCG]Environmental Sciences/Global Changes [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere info:eu-repo/semantics/article Journal articles 2022 ftinsu https://doi.org/10.1016/j.gloplacha.2022.103980 2023-10-18T16:24:41Z International audience The Arctic region faces a warming rate that is more than twice the global average. Seaice loss, increase in precipitation and freshwater discharge, changes in underwater light, and amplification of ocean acidification modify benthic habitats and the communities they host. Here we synthesize existing information on the impacts of climate change on the macroalgal communities of Arctic coasts. We review the shortand long-term changes in environmental characteristics of shallow hard-bottomed Arctic coasts, the floristics of Arctic macroalgae (description, distribution, life-cycle, adaptations), the responses of their biological and ecological processes to climate change, the resulting winning and losing species, and the effects on ecosystem functioning. The focus of this review is on fucoid species, kelps, and coralline algae which are key ecosystem engineers in hard-bottom shallow areas of the Arctic, providing food, substrate, shelter, and nursery ground for many species. Changes in seasonality, benthic functional diversity, food-web structure, and carbon cycle are already occurring and are reshaping Arctic benthic ecosystems. Shallow communities are projected to shift from invertebrate-to algal-dominated communities. Fucoid and several kelp species are expected to largely spread and dominate the area with possible extinctions of native species. A considerable amount of functional diversity could be lost impacting the processing of land-derived nutrients and organic matter and significantly altering trophic structure and energy flow up to the apex consumers. However, many factors are not well understood yet, making it difficult to appreciate the current situation and predict the future coastal Arctic ecosystem. Efforts must be made to improve knowledge in key regions with proper seasonal coverage, taking into account interactions between stressors and across species. Article in Journal/Newspaper Arctic Climate change Ocean acidification Institut national des sciences de l'Univers: HAL-INSU Arctic Global and Planetary Change 219 103980 |
institution |
Open Polar |
collection |
Institut national des sciences de l'Univers: HAL-INSU |
op_collection_id |
ftinsu |
language |
English |
topic |
climate change macroalgae Arctic fucoids kelps coralline algae [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDE.ES]Environmental Sciences/Environmental and Society [SDE.MCG]Environmental Sciences/Global Changes [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
spellingShingle |
climate change macroalgae Arctic fucoids kelps coralline algae [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDE.ES]Environmental Sciences/Environmental and Society [SDE.MCG]Environmental Sciences/Global Changes [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere Lebrun, Anais Comeau, Steeve Gazeau, Frédéric Gattuso, Jean-Pierre Impact of climate change on Arctic macroalgal communities |
topic_facet |
climate change macroalgae Arctic fucoids kelps coralline algae [SDU.STU.OC]Sciences of the Universe [physics]/Earth Sciences/Oceanography [SDE.ES]Environmental Sciences/Environmental and Society [SDE.MCG]Environmental Sciences/Global Changes [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
description |
International audience The Arctic region faces a warming rate that is more than twice the global average. Seaice loss, increase in precipitation and freshwater discharge, changes in underwater light, and amplification of ocean acidification modify benthic habitats and the communities they host. Here we synthesize existing information on the impacts of climate change on the macroalgal communities of Arctic coasts. We review the shortand long-term changes in environmental characteristics of shallow hard-bottomed Arctic coasts, the floristics of Arctic macroalgae (description, distribution, life-cycle, adaptations), the responses of their biological and ecological processes to climate change, the resulting winning and losing species, and the effects on ecosystem functioning. The focus of this review is on fucoid species, kelps, and coralline algae which are key ecosystem engineers in hard-bottom shallow areas of the Arctic, providing food, substrate, shelter, and nursery ground for many species. Changes in seasonality, benthic functional diversity, food-web structure, and carbon cycle are already occurring and are reshaping Arctic benthic ecosystems. Shallow communities are projected to shift from invertebrate-to algal-dominated communities. Fucoid and several kelp species are expected to largely spread and dominate the area with possible extinctions of native species. A considerable amount of functional diversity could be lost impacting the processing of land-derived nutrients and organic matter and significantly altering trophic structure and energy flow up to the apex consumers. However, many factors are not well understood yet, making it difficult to appreciate the current situation and predict the future coastal Arctic ecosystem. Efforts must be made to improve knowledge in key regions with proper seasonal coverage, taking into account interactions between stressors and across species. |
author2 |
Laboratoire d'océanographie de Villefranche (LOV) Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Institut de la Mer de Villefranche (IMEV) Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) Institut du Développement Durable et des Relations Internationales (IDDRI) Institut d'Études Politiques IEP - Paris |
format |
Article in Journal/Newspaper |
author |
Lebrun, Anais Comeau, Steeve Gazeau, Frédéric Gattuso, Jean-Pierre |
author_facet |
Lebrun, Anais Comeau, Steeve Gazeau, Frédéric Gattuso, Jean-Pierre |
author_sort |
Lebrun, Anais |
title |
Impact of climate change on Arctic macroalgal communities |
title_short |
Impact of climate change on Arctic macroalgal communities |
title_full |
Impact of climate change on Arctic macroalgal communities |
title_fullStr |
Impact of climate change on Arctic macroalgal communities |
title_full_unstemmed |
Impact of climate change on Arctic macroalgal communities |
title_sort |
impact of climate change on arctic macroalgal communities |
publisher |
HAL CCSD |
publishDate |
2022 |
url |
https://cnrs.hal.science/hal-03831187 https://cnrs.hal.science/hal-03831187/document https://cnrs.hal.science/hal-03831187/file/GLOPLACHA-D-22-00117_R1-2%20copy.pdf https://doi.org/10.1016/j.gloplacha.2022.103980 |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Climate change Ocean acidification |
genre_facet |
Arctic Climate change Ocean acidification |
op_source |
ISSN: 0921-8181 Global and Planetary Change https://cnrs.hal.science/hal-03831187 Global and Planetary Change, 2022, 219, ⟨10.1016/j.gloplacha.2022.103980⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.gloplacha.2022.103980 hal-03831187 https://cnrs.hal.science/hal-03831187 https://cnrs.hal.science/hal-03831187/document https://cnrs.hal.science/hal-03831187/file/GLOPLACHA-D-22-00117_R1-2%20copy.pdf doi:10.1016/j.gloplacha.2022.103980 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1016/j.gloplacha.2022.103980 |
container_title |
Global and Planetary Change |
container_volume |
219 |
container_start_page |
103980 |
_version_ |
1782330049231323136 |