Shifts in Estuarine Macroinvertebrate Communities Associated With Water Quality and Climate Change

The present work aims to identify changes in the macroinvertebrate community of the Tagus estuary (Portugal) due to improvements in water quality and to climate change. Data was collected over a period of 16 years (1998–2014) from different sites located along the estuarine gradient. The AZTI Marine...

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Main Authors: Thomas Goulding, Pedro M. Sousa, Gilda Silva, João Paulo Medeiros, Frederico Carvalho, Inês Metelo, Catarina Freitas, Nuno Lopes, Paula Chainho, José Lino Costa
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-11-01
Series:Frontiers in Marine Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmars.2021.698576/full
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author Thomas Goulding
Pedro M. Sousa
Gilda Silva
João Paulo Medeiros
Frederico Carvalho
Inês Metelo
Catarina Freitas
Nuno Lopes
Paula Chainho
Paula Chainho
Paula Chainho
José Lino Costa
José Lino Costa
author_facet Thomas Goulding
Pedro M. Sousa
Gilda Silva
João Paulo Medeiros
Frederico Carvalho
Inês Metelo
Catarina Freitas
Nuno Lopes
Paula Chainho
Paula Chainho
Paula Chainho
José Lino Costa
José Lino Costa
author_sort Thomas Goulding
collection DOAJ
description The present work aims to identify changes in the macroinvertebrate community of the Tagus estuary (Portugal) due to improvements in water quality and to climate change. Data was collected over a period of 16 years (1998–2014) from different sites located along the estuarine gradient. The AZTI Marine Biotic Index (AMBI) was used to assess the ecological quality status based on benthic invertebrate communities and identify possible variations associated with changes in water quality. The overall distribution of each species was examined to detect possible changes associated with climate, based on species’ affinity for more temperate or subtropical climates. Results demonstrate that there was an overall improvement of AMBI scores during the assessment period. The analysis of the geographical distribution of benthic species seems to indicate that there has been an increase of species which prefer subtropical climates in the shallower waters of the estuary, whereas in the deeper estuarine sections the propensity is for species that prefer temperate climates.
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spelling doaj.art-b17d15acc8204cc68bffcac832e47cd22022-12-21T20:37:53ZengFrontiers Media S.A.Frontiers in Marine Science2296-77452021-11-01810.3389/fmars.2021.698576698576Shifts in Estuarine Macroinvertebrate Communities Associated With Water Quality and Climate ChangeThomas Goulding0Pedro M. Sousa1Gilda Silva2João Paulo Medeiros3Frederico Carvalho4Inês Metelo5Catarina Freitas6Nuno Lopes7Paula Chainho8Paula Chainho9Paula Chainho10José Lino Costa11José Lino Costa12Marine and Environmental Sciences Centre, Faculty of Sciences, University of Lisbon, Lisbon, PortugalCentre for Marine Investigation of the Algarve, University of the Algarve, Faro, PortugalMarine and Environmental Sciences Centre, Faculty of Sciences, University of Lisbon, Lisbon, PortugalMarine and Environmental Sciences Centre, Faculty of Sciences, University of Lisbon, Lisbon, PortugalMarine and Environmental Sciences Centre, Faculty of Sciences, University of Lisbon, Lisbon, PortugalDepartment of Environment, Energy and Climatic Change, City Council of Lisbon, Lisbon, PortugalDepartment for Innovation, Environment, Climate, and Sustainability, City Council of Almada, Almada, PortugalDepartment for Innovation, Environment, Climate, and Sustainability, City Council of Almada, Almada, PortugalMarine and Environmental Sciences Centre, Faculty of Sciences, University of Lisbon, Lisbon, PortugalDepartment of Animal Biology, Faculty of Sciences, University of Lisbon, Lisbon, PortugalCentre for Energy and Environment Research, Polytechnic Institute of Setúbal, Polytechnic Institute of Setúbal Campus do IPS - Estefanilha, Setúbal, PortugalMarine and Environmental Sciences Centre, Faculty of Sciences, University of Lisbon, Lisbon, PortugalDepartment of Animal Biology, Faculty of Sciences, University of Lisbon, Lisbon, PortugalThe present work aims to identify changes in the macroinvertebrate community of the Tagus estuary (Portugal) due to improvements in water quality and to climate change. Data was collected over a period of 16 years (1998–2014) from different sites located along the estuarine gradient. The AZTI Marine Biotic Index (AMBI) was used to assess the ecological quality status based on benthic invertebrate communities and identify possible variations associated with changes in water quality. The overall distribution of each species was examined to detect possible changes associated with climate, based on species’ affinity for more temperate or subtropical climates. Results demonstrate that there was an overall improvement of AMBI scores during the assessment period. The analysis of the geographical distribution of benthic species seems to indicate that there has been an increase of species which prefer subtropical climates in the shallower waters of the estuary, whereas in the deeper estuarine sections the propensity is for species that prefer temperate climates.https://www.frontiersin.org/articles/10.3389/fmars.2021.698576/fullAMBIecological statusPortugallong term data analysistemporal changespecies distribution
spellingShingle Thomas Goulding
Pedro M. Sousa
Gilda Silva
João Paulo Medeiros
Frederico Carvalho
Inês Metelo
Catarina Freitas
Nuno Lopes
Paula Chainho
Paula Chainho
Paula Chainho
José Lino Costa
José Lino Costa
Shifts in Estuarine Macroinvertebrate Communities Associated With Water Quality and Climate Change
Frontiers in Marine Science
AMBI
ecological status
Portugal
long term data analysis
temporal change
species distribution
title Shifts in Estuarine Macroinvertebrate Communities Associated With Water Quality and Climate Change
title_full Shifts in Estuarine Macroinvertebrate Communities Associated With Water Quality and Climate Change
title_fullStr Shifts in Estuarine Macroinvertebrate Communities Associated With Water Quality and Climate Change
title_full_unstemmed Shifts in Estuarine Macroinvertebrate Communities Associated With Water Quality and Climate Change
title_short Shifts in Estuarine Macroinvertebrate Communities Associated With Water Quality and Climate Change
title_sort shifts in estuarine macroinvertebrate communities associated with water quality and climate change
topic AMBI
ecological status
Portugal
long term data analysis
temporal change
species distribution
url https://www.frontiersin.org/articles/10.3389/fmars.2021.698576/full
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