Trends in the species composition at the southernmost estuary of the Atlantic coast of Europe
Trabajo presentado en Symposium on Decadal Variability of the North Atlantic and its Marine Ecosystems: 2010-2019, celebrado en Bergen (Noruega) del 20 al 22 de junio de 2022. Climate change may enhance the establishment of introduced species, as well as the poleward shift in distribution of numerou...
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ftcsic:oai:digital.csic.es:10261/309395 2024-02-11T10:06:40+01:00 Trends in the species composition at the southernmost estuary of the Atlantic coast of Europe González-Ortegón, Enrique Cuesta, José A. Baldó, Francisco Vilas, César 2022-06-20 http://hdl.handle.net/10261/309395 unknown Sí Symposium on Decadal Variability of the North Atlantic and its Marine Ecosystems: 2010-2019 (2022) http://hdl.handle.net/10261/309395 none póster de congreso 2022 ftcsic 2024-01-16T11:42:01Z Trabajo presentado en Symposium on Decadal Variability of the North Atlantic and its Marine Ecosystems: 2010-2019, celebrado en Bergen (Noruega) del 20 al 22 de junio de 2022. Climate change may enhance the establishment of introduced species, as well as the poleward shift in distribution of numerous species over decades. Long-term research and monitoring of an ecosystem at the southernmost point of the Atlantic coast of Europe should be an important priority in order to detect and understand trends in species composition and the related environmental changes. The Guadalquivir estuary (South Spain) is more likely to suffer the exacerbated effects of climate change due to its location in the Mediterranean-climate zone. The long-term data set between 1997 and 2015 in this estuary has allowed us to analyse the variability of the natural and anthropogenic stressors, especially in some dry years and how records of new species have been stabilised as a consequence of expanded connectivity (shipping) and “African Creep”. The mean interannual dissimilarity of the estuarine fauna (Bray–Curtis dissimilarity index) has showed important differences throughout the years, and the species that most contributed to these differences were the exotic species capable of completing their life cycles. Their average annual density has shown a continuous increase during the years of study in a period of expansion. This long-term monitoring of the estuarine community has allowed us to anticipate future events and ecological risk assessment in Europe due to climate change. Management implications are mainly related to the catching of exotic species to control their impact on native communities and reduce the shipping in this sort of ecosystem, which have been especially sensitive in the last 10 years. Still Image North Atlantic Digital.CSIC (Spanish National Research Council) Bergen Bray ENVELOPE(-114.067,-114.067,-74.833,-74.833) Noruega ENVELOPE(-12.333,-12.333,-71.333,-71.333) |
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Digital.CSIC (Spanish National Research Council) |
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description |
Trabajo presentado en Symposium on Decadal Variability of the North Atlantic and its Marine Ecosystems: 2010-2019, celebrado en Bergen (Noruega) del 20 al 22 de junio de 2022. Climate change may enhance the establishment of introduced species, as well as the poleward shift in distribution of numerous species over decades. Long-term research and monitoring of an ecosystem at the southernmost point of the Atlantic coast of Europe should be an important priority in order to detect and understand trends in species composition and the related environmental changes. The Guadalquivir estuary (South Spain) is more likely to suffer the exacerbated effects of climate change due to its location in the Mediterranean-climate zone. The long-term data set between 1997 and 2015 in this estuary has allowed us to analyse the variability of the natural and anthropogenic stressors, especially in some dry years and how records of new species have been stabilised as a consequence of expanded connectivity (shipping) and “African Creep”. The mean interannual dissimilarity of the estuarine fauna (Bray–Curtis dissimilarity index) has showed important differences throughout the years, and the species that most contributed to these differences were the exotic species capable of completing their life cycles. Their average annual density has shown a continuous increase during the years of study in a period of expansion. This long-term monitoring of the estuarine community has allowed us to anticipate future events and ecological risk assessment in Europe due to climate change. Management implications are mainly related to the catching of exotic species to control their impact on native communities and reduce the shipping in this sort of ecosystem, which have been especially sensitive in the last 10 years. |
format |
Still Image |
author |
González-Ortegón, Enrique Cuesta, José A. Baldó, Francisco Vilas, César |
spellingShingle |
González-Ortegón, Enrique Cuesta, José A. Baldó, Francisco Vilas, César Trends in the species composition at the southernmost estuary of the Atlantic coast of Europe |
author_facet |
González-Ortegón, Enrique Cuesta, José A. Baldó, Francisco Vilas, César |
author_sort |
González-Ortegón, Enrique |
title |
Trends in the species composition at the southernmost estuary of the Atlantic coast of Europe |
title_short |
Trends in the species composition at the southernmost estuary of the Atlantic coast of Europe |
title_full |
Trends in the species composition at the southernmost estuary of the Atlantic coast of Europe |
title_fullStr |
Trends in the species composition at the southernmost estuary of the Atlantic coast of Europe |
title_full_unstemmed |
Trends in the species composition at the southernmost estuary of the Atlantic coast of Europe |
title_sort |
trends in the species composition at the southernmost estuary of the atlantic coast of europe |
publishDate |
2022 |
url |
http://hdl.handle.net/10261/309395 |
long_lat |
ENVELOPE(-114.067,-114.067,-74.833,-74.833) ENVELOPE(-12.333,-12.333,-71.333,-71.333) |
geographic |
Bergen Bray Noruega |
geographic_facet |
Bergen Bray Noruega |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
Sí Symposium on Decadal Variability of the North Atlantic and its Marine Ecosystems: 2010-2019 (2022) http://hdl.handle.net/10261/309395 |
op_rights |
none |
_version_ |
1790604512321339392 |