Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)

Acuña Plavan, Alicia - Muñoz, Nathalie - Gurdek Bas, Rodrigo - Machado, Irene - Severi, Verónica

Resumen:

Fish assemblages in subestuaries have been poorly studied worldwide. In order to evaluate the inter-estuarine and temporal variability of the ichthyofauna of subestuaries along the Uruguayan coast of the Río de la Plata (RdlP), the Pando, Solís Chico and Solís Grande systems were sampled between 2011 and 2013. Fish biomass, abundance, species richness and diversity indices were analysed, defining fish assemblages characterised by a few species and great abundance. Estuarine resident and freshwater species represented 55.5% of the fish assemblage according to estuarine use guilds. Species occurrence was similar in the three subestuaries, but the relative abundances differed among them. The analysed community parameters showed a decreasing trend from west to east along the Uruguayan coast. Highest diversity and fish abundance were recorded in the Pando system located in the proximities of an important spawning area in the inner RdlP estuary. In the Solís Grande subestuary occurred the lowest species richness and fish abundance. The Solís Chico was characterised as a transitional subsystem. All three subestuaries showed an increase in species richness and abundance during high temperature periods, probably related to the life cycle of the species sharing habitats between the RdlP and the coastal subestuaries. This study constitutes the first step in assessing the fish assemblage patterns in coastal ecosystems of the RdlP and an approach about the ecological role of the subestuaries in the southwest Atlantic Ocean.


As assembleias de peixes em subestuários têm sido pouco estudadas no mundo. A fim de avaliar a variabilidade interestuarina e temporal da ictiofauna dos subestuários ao longo da costa uruguaia do Rio da Prata, foram amostrados entre 2011 e 2013 os sistemas Pando, Solís Chico e Solís Grande. A biomassa e abundância de peixes, riqueza de espécies e índices de diversidade foram analisadas, definindo-se que as assembleias de peixes são caracterizadas por apenas algumas espécies e com grande abundância.Espécies residentes estuarinas e de água doce apresentaram 55,5% da assembleia de peixes conforme as guildas de uso do estuário. Embora, a ocorrência de espécies tenha sido semelhante nos três subestuários, a sua abundância relativa foi diferente. Os valores dos parâmetros da comunidade mostraram uma tendência decrescente de oeste para leste ao longo da costa uruguaia. Maior diversidade de peixes e abundância foram registradas no sistema do Pando, localizado nas proximidades de uma importante área de desova no estuário do Rio da Prata interior. No subestuário do Solís Grande foram encontrados menor riqueza e abundância de peixes. Solís Chico foi caracterizado como um subsistema de transição. Os três subestuários mostraram um aumento na riqueza e abundância durante os períodos de temperatura alta, provavelmente relacionada com o ciclo de vida das espécies que compartilham hábitats entre o Rio da Prata e/ou os subestuários costeiros. Este estudo constitui o primeiro passo para avaliar os adrões de peixes no ecossistema costeiro do Rio da Prata e uma abordagem sobre o papel ecológico do subestuários no sudoeste do Oceano Atlântico.


Detalles Bibliográficos
2017
Community parameters
Estuarine systems
Ichthyofauna
South American estuaries
Species diversity
Variability patterns
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/26285
Acceso abierto
Licencia Creative Commons Atribución (CC - By 4.0)
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author Acuña Plavan, Alicia
author2 Muñoz, Nathalie
Gurdek Bas, Rodrigo
Machado, Irene
Severi, Verónica
author2_role author
author
author
author
author_facet Acuña Plavan, Alicia
Muñoz, Nathalie
Gurdek Bas, Rodrigo
Machado, Irene
Severi, Verónica
author_role author
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dc.contributor.filiacion.none.fl_str_mv Acuña Alicia, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Ecología y Ciencias Ambientales
Muñoz Nathalie, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Ecología y Ciencias Ambientales
Gurdek Rodrigo, James Cook University
Machado Irene, Universidad de la República (Uruguay). CURE
Severi Verónica, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Ecología y Ciencias Ambientales
dc.creator.none.fl_str_mv Acuña Plavan, Alicia
Muñoz, Nathalie
Gurdek Bas, Rodrigo
Machado, Irene
Severi, Verónica
dc.date.accessioned.none.fl_str_mv 2021-01-07T16:28:57Z
dc.date.available.none.fl_str_mv 2021-01-07T16:28:57Z
dc.date.issued.none.fl_str_mv 2017
dc.description.abstract.none.fl_txt_mv Fish assemblages in subestuaries have been poorly studied worldwide. In order to evaluate the inter-estuarine and temporal variability of the ichthyofauna of subestuaries along the Uruguayan coast of the Río de la Plata (RdlP), the Pando, Solís Chico and Solís Grande systems were sampled between 2011 and 2013. Fish biomass, abundance, species richness and diversity indices were analysed, defining fish assemblages characterised by a few species and great abundance. Estuarine resident and freshwater species represented 55.5% of the fish assemblage according to estuarine use guilds. Species occurrence was similar in the three subestuaries, but the relative abundances differed among them. The analysed community parameters showed a decreasing trend from west to east along the Uruguayan coast. Highest diversity and fish abundance were recorded in the Pando system located in the proximities of an important spawning area in the inner RdlP estuary. In the Solís Grande subestuary occurred the lowest species richness and fish abundance. The Solís Chico was characterised as a transitional subsystem. All three subestuaries showed an increase in species richness and abundance during high temperature periods, probably related to the life cycle of the species sharing habitats between the RdlP and the coastal subestuaries. This study constitutes the first step in assessing the fish assemblage patterns in coastal ecosystems of the RdlP and an approach about the ecological role of the subestuaries in the southwest Atlantic Ocean.
As assembleias de peixes em subestuários têm sido pouco estudadas no mundo. A fim de avaliar a variabilidade interestuarina e temporal da ictiofauna dos subestuários ao longo da costa uruguaia do Rio da Prata, foram amostrados entre 2011 e 2013 os sistemas Pando, Solís Chico e Solís Grande. A biomassa e abundância de peixes, riqueza de espécies e índices de diversidade foram analisadas, definindo-se que as assembleias de peixes são caracterizadas por apenas algumas espécies e com grande abundância.Espécies residentes estuarinas e de água doce apresentaram 55,5% da assembleia de peixes conforme as guildas de uso do estuário. Embora, a ocorrência de espécies tenha sido semelhante nos três subestuários, a sua abundância relativa foi diferente. Os valores dos parâmetros da comunidade mostraram uma tendência decrescente de oeste para leste ao longo da costa uruguaia. Maior diversidade de peixes e abundância foram registradas no sistema do Pando, localizado nas proximidades de uma importante área de desova no estuário do Rio da Prata interior. No subestuário do Solís Grande foram encontrados menor riqueza e abundância de peixes. Solís Chico foi caracterizado como um subsistema de transição. Os três subestuários mostraram um aumento na riqueza e abundância durante os períodos de temperatura alta, provavelmente relacionada com o ciclo de vida das espécies que compartilham hábitats entre o Rio da Prata e/ou os subestuários costeiros. Este estudo constitui o primeiro passo para avaliar os adrões de peixes no ecossistema costeiro do Rio da Prata e uma abordagem sobre o papel ecológico do subestuários no sudoeste do Oceano Atlântico.
dc.format.extent.es.fl_str_mv 14 h.
dc.format.mimetype.es.fl_str_mv application/pdf
dc.identifier.citation.es.fl_str_mv Acuña, A, Muñoz, N, Gurdek, y otros. "Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)". Brazilian Journal of Oceanography. [en línea] 2017, 65 (2), pp. 173-186. 14 h. doi: 10.1590/S1679-87592017131106502
dc.identifier.doi.none.fl_str_mv 10.1590/S1679-87592017131106502
dc.identifier.issn.none.fl_str_mv 1679-8759
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12008/26285
dc.language.iso.none.fl_str_mv en
eng
dc.publisher.br.fl_str_mv Universidade de Sao Paulo
dc.relation.ispartof.es.fl_str_mv Brazilian Journal of Oceanography, 2017, 65 (2), pp. 173-186.
dc.rights.license.none.fl_str_mv Licencia Creative Commons Atribución (CC - By 4.0)
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.source.none.fl_str_mv reponame:COLIBRI
instname:Universidad de la República
instacron:Universidad de la República
dc.subject.en.fl_str_mv Community parameters
Estuarine systems
Ichthyofauna
South American estuaries
Species diversity
Variability patterns
dc.title.none.fl_str_mv Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)
dc.type.es.fl_str_mv Artículo
dc.type.none.fl_str_mv info:eu-repo/semantics/article
dc.type.version.none.fl_str_mv info:eu-repo/semantics/publishedVersion
description Fish assemblages in subestuaries have been poorly studied worldwide. In order to evaluate the inter-estuarine and temporal variability of the ichthyofauna of subestuaries along the Uruguayan coast of the Río de la Plata (RdlP), the Pando, Solís Chico and Solís Grande systems were sampled between 2011 and 2013. Fish biomass, abundance, species richness and diversity indices were analysed, defining fish assemblages characterised by a few species and great abundance. Estuarine resident and freshwater species represented 55.5% of the fish assemblage according to estuarine use guilds. Species occurrence was similar in the three subestuaries, but the relative abundances differed among them. The analysed community parameters showed a decreasing trend from west to east along the Uruguayan coast. Highest diversity and fish abundance were recorded in the Pando system located in the proximities of an important spawning area in the inner RdlP estuary. In the Solís Grande subestuary occurred the lowest species richness and fish abundance. The Solís Chico was characterised as a transitional subsystem. All three subestuaries showed an increase in species richness and abundance during high temperature periods, probably related to the life cycle of the species sharing habitats between the RdlP and the coastal subestuaries. This study constitutes the first step in assessing the fish assemblage patterns in coastal ecosystems of the RdlP and an approach about the ecological role of the subestuaries in the southwest Atlantic Ocean.
eu_rights_str_mv openAccess
format article
id COLIBRI_1c4b3ea8373b7ef9f549821ae1598f69
identifier_str_mv Acuña, A, Muñoz, N, Gurdek, y otros. "Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)". Brazilian Journal of Oceanography. [en línea] 2017, 65 (2), pp. 173-186. 14 h. doi: 10.1590/S1679-87592017131106502
1679-8759
10.1590/S1679-87592017131106502
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institution Universidad de la República
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reponame_str COLIBRI
repository.mail.fl_str_mv mabel.seroubian@seciu.edu.uy
repository.name.fl_str_mv COLIBRI - Universidad de la República
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rights_invalid_str_mv Licencia Creative Commons Atribución (CC - By 4.0)
spelling Acuña Alicia, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Ecología y Ciencias AmbientalesMuñoz Nathalie, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Ecología y Ciencias AmbientalesGurdek Rodrigo, James Cook UniversityMachado Irene, Universidad de la República (Uruguay). CURESeveri Verónica, Universidad de la República (Uruguay). Facultad de Ciencias. Instituto de Ecología y Ciencias Ambientales2021-01-07T16:28:57Z2021-01-07T16:28:57Z2017Acuña, A, Muñoz, N, Gurdek, y otros. "Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)". Brazilian Journal of Oceanography. [en línea] 2017, 65 (2), pp. 173-186. 14 h. doi: 10.1590/S1679-875920171311065021679-8759https://hdl.handle.net/20.500.12008/2628510.1590/S1679-87592017131106502Fish assemblages in subestuaries have been poorly studied worldwide. In order to evaluate the inter-estuarine and temporal variability of the ichthyofauna of subestuaries along the Uruguayan coast of the Río de la Plata (RdlP), the Pando, Solís Chico and Solís Grande systems were sampled between 2011 and 2013. Fish biomass, abundance, species richness and diversity indices were analysed, defining fish assemblages characterised by a few species and great abundance. Estuarine resident and freshwater species represented 55.5% of the fish assemblage according to estuarine use guilds. Species occurrence was similar in the three subestuaries, but the relative abundances differed among them. The analysed community parameters showed a decreasing trend from west to east along the Uruguayan coast. Highest diversity and fish abundance were recorded in the Pando system located in the proximities of an important spawning area in the inner RdlP estuary. In the Solís Grande subestuary occurred the lowest species richness and fish abundance. The Solís Chico was characterised as a transitional subsystem. All three subestuaries showed an increase in species richness and abundance during high temperature periods, probably related to the life cycle of the species sharing habitats between the RdlP and the coastal subestuaries. This study constitutes the first step in assessing the fish assemblage patterns in coastal ecosystems of the RdlP and an approach about the ecological role of the subestuaries in the southwest Atlantic Ocean.As assembleias de peixes em subestuários têm sido pouco estudadas no mundo. A fim de avaliar a variabilidade interestuarina e temporal da ictiofauna dos subestuários ao longo da costa uruguaia do Rio da Prata, foram amostrados entre 2011 e 2013 os sistemas Pando, Solís Chico e Solís Grande. A biomassa e abundância de peixes, riqueza de espécies e índices de diversidade foram analisadas, definindo-se que as assembleias de peixes são caracterizadas por apenas algumas espécies e com grande abundância.Espécies residentes estuarinas e de água doce apresentaram 55,5% da assembleia de peixes conforme as guildas de uso do estuário. Embora, a ocorrência de espécies tenha sido semelhante nos três subestuários, a sua abundância relativa foi diferente. Os valores dos parâmetros da comunidade mostraram uma tendência decrescente de oeste para leste ao longo da costa uruguaia. Maior diversidade de peixes e abundância foram registradas no sistema do Pando, localizado nas proximidades de uma importante área de desova no estuário do Rio da Prata interior. No subestuário do Solís Grande foram encontrados menor riqueza e abundância de peixes. Solís Chico foi caracterizado como um subsistema de transição. Os três subestuários mostraram um aumento na riqueza e abundância durante os períodos de temperatura alta, provavelmente relacionada com o ciclo de vida das espécies que compartilham hábitats entre o Rio da Prata e/ou os subestuários costeiros. Este estudo constitui o primeiro passo para avaliar os adrões de peixes no ecossistema costeiro do Rio da Prata e uma abordagem sobre o papel ecológico do subestuários no sudoeste do Oceano Atlântico.Submitted by Parodi Mónica (mparodi@fcien.edu.uy) on 2021-01-07T14:14:36Z No. of bitstreams: 2 license_rdf: 19875 bytes, checksum: 9fdbed07f52437945402c4e70fa4773e (MD5) 101590S167987592017131106502.pdf: 2050883 bytes, checksum: 25e4736685ed5b07b14633aaa865a679 (MD5)Approved for entry into archive by Faget Cecilia (lfaget@fcien.edu.uy) on 2021-01-07T15:51:43Z (GMT) No. of bitstreams: 2 license_rdf: 19875 bytes, checksum: 9fdbed07f52437945402c4e70fa4773e (MD5) 101590S167987592017131106502.pdf: 2050883 bytes, checksum: 25e4736685ed5b07b14633aaa865a679 (MD5)Made available in DSpace by Luna Fabiana (fabiana.luna@fic.edu.uy) on 2021-01-07T16:28:57Z (GMT). No. of bitstreams: 2 license_rdf: 19875 bytes, checksum: 9fdbed07f52437945402c4e70fa4773e (MD5) 101590S167987592017131106502.pdf: 2050883 bytes, checksum: 25e4736685ed5b07b14633aaa865a679 (MD5) Previous issue date: 201714 h.application/pdfenengUniversidade de Sao PauloBrazilian Journal of Oceanography, 2017, 65 (2), pp. 173-186.Las obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad de la República.(Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución (CC - By 4.0)Community parametersEstuarine systemsIchthyofaunaSouth American estuariesSpecies diversityVariability patternsInter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)Artículoinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaAcuña Plavan, AliciaMuñoz, NathalieGurdek Bas, RodrigoMachado, IreneSeveri, VerónicaLICENSElicense.txtlicense.txttext/plain; charset=utf-84267http://localhost:8080/xmlui/bitstream/20.500.12008/26285/5/license.txt6429389a7df7277b72b7924fdc7d47a9MD55CC-LICENSElicense_urllicense_urltext/plain; charset=utf-844http://localhost:8080/xmlui/bitstream/20.500.12008/26285/2/license_urla0ebbeafb9d2ec7cbb19d7137ebc392cMD52license_textlicense_texttext/html; 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- Universidad de la Repúblicafalse
spellingShingle Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)
Acuña Plavan, Alicia
Community parameters
Estuarine systems
Ichthyofauna
South American estuaries
Species diversity
Variability patterns
status_str publishedVersion
title Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)
title_full Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)
title_fullStr Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)
title_full_unstemmed Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)
title_short Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)
title_sort Inter-estuarine and temporal patterns of the fish assemblage of subtropical subestuaries along the Río de la Plata coast (Uruguay)
topic Community parameters
Estuarine systems
Ichthyofauna
South American estuaries
Species diversity
Variability patterns
url https://hdl.handle.net/20.500.12008/26285