Structure, growth and production of a remarkably abundant population of the common goby, Pomatoschistus microps (Actinopterygii: Gobiidae)
The common goby, Pomatoschistus microps, is a relevant species from estuarine food webs, playing important roles as predator of polychaetes and crustaceans and as prey for larger fishes and crustaceans. The Minho estuary (NW Portugal) is a relatively wellpreserved and productive system. To assess th...
Published in: | Environmental Biology of Fishes |
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Language: | English |
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Online Access: | http://hdl.handle.net/10316/25771 https://doi.org/10.1007/s10641-013-0172-0 |
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ftunivcoimbra:oai:estudogeral.sib.uc.pt:10316/25771 2023-05-15T16:51:58+02:00 Structure, growth and production of a remarkably abundant population of the common goby, Pomatoschistus microps (Actinopterygii: Gobiidae) Souza, A. T. Dias, E. Campos, J. Marques, J. C. Martins, I. 2014 http://hdl.handle.net/10316/25771 https://doi.org/10.1007/s10641-013-0172-0 eng eng Springer Science http://link.springer.com/article/10.1007%2Fs10641-013-0172-0 http://hdl.handle.net/10316/25771 doi:10.1007/s10641-013-0172-0 info:eu-repo/semantics/openAccess Corbicula fluminea Life cycle Minho Pomatoschistus minutus Secondary production info:eu-repo/semantics/article 2014 ftunivcoimbra https://doi.org/10.1007/s10641-013-0172-0 2022-08-11T13:57:35Z The common goby, Pomatoschistus microps, is a relevant species from estuarine food webs, playing important roles as predator of polychaetes and crustaceans and as prey for larger fishes and crustaceans. The Minho estuary (NW Portugal) is a relatively wellpreserved and productive system. To assess the population structure and production of P. microps in this estuary, monthly samples were undertaken in three different areas along an estuarine gradient in the lower estuary. The density of P. microps varied considerably among seasons and sampling stations, with higher densities occurring in summer and autumn. The lowest densities were found closer to the sea. In general, the density of females was higher than the density of males in all sampling stations, while juveniles were more abundant within a salt marsh area. Compared with other European estuaries, our data showed a remarkable higher density and production values of P. microps. This may be related to the high freshwater input and the low salinities found in this estuary. In addition, we hypothesize that the lower density of the sympatric species P. minutus and the high availability of bivalve shells observed in the Minho estuary may have also contributed to the present results, once P. minutus and P. microps often display a diet overlap and the bivalve shells are crucial for the common goby reproduction. This research was supported by a grant from Iceland, Liechtenstein and Norway through the EEA Financial Mechanism and the Norwegian Financial Mechanism. A.T. Souza has a PhD grant (SFRH/BD/ 71232/2010) from the Fundação para a Ciência e a Tecnologia (Portugal). I. Martins was financed for CIÊNCIA 2007 and the project INPACTAR PTDC/MAR/111537/2009; FCT; COMPETE; QREN; UE. Article in Journal/Newspaper Iceland Universidade de Coimbra: Estudo Geral Norway Environmental Biology of Fishes 97 6 701 715 |
institution |
Open Polar |
collection |
Universidade de Coimbra: Estudo Geral |
op_collection_id |
ftunivcoimbra |
language |
English |
topic |
Corbicula fluminea Life cycle Minho Pomatoschistus minutus Secondary production |
spellingShingle |
Corbicula fluminea Life cycle Minho Pomatoschistus minutus Secondary production Souza, A. T. Dias, E. Campos, J. Marques, J. C. Martins, I. Structure, growth and production of a remarkably abundant population of the common goby, Pomatoschistus microps (Actinopterygii: Gobiidae) |
topic_facet |
Corbicula fluminea Life cycle Minho Pomatoschistus minutus Secondary production |
description |
The common goby, Pomatoschistus microps, is a relevant species from estuarine food webs, playing important roles as predator of polychaetes and crustaceans and as prey for larger fishes and crustaceans. The Minho estuary (NW Portugal) is a relatively wellpreserved and productive system. To assess the population structure and production of P. microps in this estuary, monthly samples were undertaken in three different areas along an estuarine gradient in the lower estuary. The density of P. microps varied considerably among seasons and sampling stations, with higher densities occurring in summer and autumn. The lowest densities were found closer to the sea. In general, the density of females was higher than the density of males in all sampling stations, while juveniles were more abundant within a salt marsh area. Compared with other European estuaries, our data showed a remarkable higher density and production values of P. microps. This may be related to the high freshwater input and the low salinities found in this estuary. In addition, we hypothesize that the lower density of the sympatric species P. minutus and the high availability of bivalve shells observed in the Minho estuary may have also contributed to the present results, once P. minutus and P. microps often display a diet overlap and the bivalve shells are crucial for the common goby reproduction. This research was supported by a grant from Iceland, Liechtenstein and Norway through the EEA Financial Mechanism and the Norwegian Financial Mechanism. A.T. Souza has a PhD grant (SFRH/BD/ 71232/2010) from the Fundação para a Ciência e a Tecnologia (Portugal). I. Martins was financed for CIÊNCIA 2007 and the project INPACTAR PTDC/MAR/111537/2009; FCT; COMPETE; QREN; UE. |
format |
Article in Journal/Newspaper |
author |
Souza, A. T. Dias, E. Campos, J. Marques, J. C. Martins, I. |
author_facet |
Souza, A. T. Dias, E. Campos, J. Marques, J. C. Martins, I. |
author_sort |
Souza, A. T. |
title |
Structure, growth and production of a remarkably abundant population of the common goby, Pomatoschistus microps (Actinopterygii: Gobiidae) |
title_short |
Structure, growth and production of a remarkably abundant population of the common goby, Pomatoschistus microps (Actinopterygii: Gobiidae) |
title_full |
Structure, growth and production of a remarkably abundant population of the common goby, Pomatoschistus microps (Actinopterygii: Gobiidae) |
title_fullStr |
Structure, growth and production of a remarkably abundant population of the common goby, Pomatoschistus microps (Actinopterygii: Gobiidae) |
title_full_unstemmed |
Structure, growth and production of a remarkably abundant population of the common goby, Pomatoschistus microps (Actinopterygii: Gobiidae) |
title_sort |
structure, growth and production of a remarkably abundant population of the common goby, pomatoschistus microps (actinopterygii: gobiidae) |
publisher |
Springer Science |
publishDate |
2014 |
url |
http://hdl.handle.net/10316/25771 https://doi.org/10.1007/s10641-013-0172-0 |
geographic |
Norway |
geographic_facet |
Norway |
genre |
Iceland |
genre_facet |
Iceland |
op_relation |
http://link.springer.com/article/10.1007%2Fs10641-013-0172-0 http://hdl.handle.net/10316/25771 doi:10.1007/s10641-013-0172-0 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.1007/s10641-013-0172-0 |
container_title |
Environmental Biology of Fishes |
container_volume |
97 |
container_issue |
6 |
container_start_page |
701 |
op_container_end_page |
715 |
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1766042094868103168 |