Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern Australia

Detalhes bibliográficos
Autor(a) principal: Schilling, HT
Data de Publicação: 2018
Outros Autores: Reis-Santos, Patrick, Hughes, JM, Smith, JA, Everett, JD, Stewart, J, Gillanders, BM, Suthers, IM
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10451/41230
Resumo: Estuaries provide important nursery habitats for juvenile fish, but many species move between estuarine and coastal habitats throughout their life. We used otolith chemistry to evaluate the use of estuaries and the coastal marine environment by juvenile Pomatomus saltatrix in eastern Australia. Otolith chemical signatures of juveniles from 12 estuaries, spanning 10° of latitude, were characterised using laser ablation-inductively coupled plasma-mass spectrometry. Based upon multivariate otolith elemental signatures, fish collected from most estuaries could not be successfully discriminated from one another. This was attributed to the varying influence of marine water on otolith elemental composition in fish from all estuaries. Using a reduced number of estuarine groups, the multivariate juvenile otolith elemental signatures and univariate Sr:Ca ratio suggest that between 24 and 52% of adult P. saltatrix had a juvenile period influenced by the marine environment. Elemental profiles across adult (age-1) otoliths highlighted a variety of life history patterns, not all consistent with a juvenile estuarine phase. Furthermore, the presence of age-0 juveniles in coastal waters was confirmed from historical length-frequency data from coastal trawls. Combining multiple lines of evidence suggests considerable plasticity in juvenile life history for P. saltatrix in eastern Australia through their utilisation of both estuarine and coastal nurseries. Knowledge of juvenile life history is important for the management of coastal species of commercial and recreational importance such as P. saltatrix.
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spelling Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern AustraliaOtolith chemistryElemental profilesBluefishTailorStrontiumBariumEstuaries provide important nursery habitats for juvenile fish, but many species move between estuarine and coastal habitats throughout their life. We used otolith chemistry to evaluate the use of estuaries and the coastal marine environment by juvenile Pomatomus saltatrix in eastern Australia. Otolith chemical signatures of juveniles from 12 estuaries, spanning 10° of latitude, were characterised using laser ablation-inductively coupled plasma-mass spectrometry. Based upon multivariate otolith elemental signatures, fish collected from most estuaries could not be successfully discriminated from one another. This was attributed to the varying influence of marine water on otolith elemental composition in fish from all estuaries. Using a reduced number of estuarine groups, the multivariate juvenile otolith elemental signatures and univariate Sr:Ca ratio suggest that between 24 and 52% of adult P. saltatrix had a juvenile period influenced by the marine environment. Elemental profiles across adult (age-1) otoliths highlighted a variety of life history patterns, not all consistent with a juvenile estuarine phase. Furthermore, the presence of age-0 juveniles in coastal waters was confirmed from historical length-frequency data from coastal trawls. Combining multiple lines of evidence suggests considerable plasticity in juvenile life history for P. saltatrix in eastern Australia through their utilisation of both estuarine and coastal nurseries. Knowledge of juvenile life history is important for the management of coastal species of commercial and recreational importance such as P. saltatrix.Inter ResearchRepositório da Universidade de LisboaSchilling, HTReis-Santos, PatrickHughes, JMSmith, JAEverett, JDStewart, JGillanders, BMSuthers, IM2020-01-19T21:03:23Z20182018-01-01T00:00:00Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10451/41230eng0171-863010.3354/meps12495info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-11-08T16:38:01Zoai:repositorio.ul.pt:10451/41230Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T21:53:12.143995Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern Australia
title Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern Australia
spellingShingle Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern Australia
Schilling, HT
Otolith chemistry
Elemental profiles
Bluefish
Tailor
Strontium
Barium
title_short Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern Australia
title_full Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern Australia
title_fullStr Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern Australia
title_full_unstemmed Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern Australia
title_sort Evaluating estuarine nursery use and life history patterns of Pomatomus saltatrix in eastern Australia
author Schilling, HT
author_facet Schilling, HT
Reis-Santos, Patrick
Hughes, JM
Smith, JA
Everett, JD
Stewart, J
Gillanders, BM
Suthers, IM
author_role author
author2 Reis-Santos, Patrick
Hughes, JM
Smith, JA
Everett, JD
Stewart, J
Gillanders, BM
Suthers, IM
author2_role author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Repositório da Universidade de Lisboa
dc.contributor.author.fl_str_mv Schilling, HT
Reis-Santos, Patrick
Hughes, JM
Smith, JA
Everett, JD
Stewart, J
Gillanders, BM
Suthers, IM
dc.subject.por.fl_str_mv Otolith chemistry
Elemental profiles
Bluefish
Tailor
Strontium
Barium
topic Otolith chemistry
Elemental profiles
Bluefish
Tailor
Strontium
Barium
description Estuaries provide important nursery habitats for juvenile fish, but many species move between estuarine and coastal habitats throughout their life. We used otolith chemistry to evaluate the use of estuaries and the coastal marine environment by juvenile Pomatomus saltatrix in eastern Australia. Otolith chemical signatures of juveniles from 12 estuaries, spanning 10° of latitude, were characterised using laser ablation-inductively coupled plasma-mass spectrometry. Based upon multivariate otolith elemental signatures, fish collected from most estuaries could not be successfully discriminated from one another. This was attributed to the varying influence of marine water on otolith elemental composition in fish from all estuaries. Using a reduced number of estuarine groups, the multivariate juvenile otolith elemental signatures and univariate Sr:Ca ratio suggest that between 24 and 52% of adult P. saltatrix had a juvenile period influenced by the marine environment. Elemental profiles across adult (age-1) otoliths highlighted a variety of life history patterns, not all consistent with a juvenile estuarine phase. Furthermore, the presence of age-0 juveniles in coastal waters was confirmed from historical length-frequency data from coastal trawls. Combining multiple lines of evidence suggests considerable plasticity in juvenile life history for P. saltatrix in eastern Australia through their utilisation of both estuarine and coastal nurseries. Knowledge of juvenile life history is important for the management of coastal species of commercial and recreational importance such as P. saltatrix.
publishDate 2018
dc.date.none.fl_str_mv 2018
2018-01-01T00:00:00Z
2020-01-19T21:03:23Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
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url http://hdl.handle.net/10451/41230
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0171-8630
10.3354/meps12495
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dc.publisher.none.fl_str_mv Inter Research
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