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Environmental factors affecting larval fish community in the salt marsh area of Guadiana estuary (Algarve, Portugal)

2015-03Journal article Open access
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dc.contributor.authorGonçalves, Renata
dc.contributor.authorCorreia, Ana Dulce
dc.contributor.authorAtanasova, Natasa
dc.contributor.authorTeodosio, Maria
dc.contributor.authorBen-Hamadou, Radhouan
dc.contributor.authorChicharo, Luis
dc.date.accessioned2018-12-07T14:53:41Z
dc.date.available2018-12-07T14:53:41Z
dc.date.issued2015-03
dc.description.abstractSalt marsh areas in the Guadiana estuary are important nursery sites for many fish species of commercial and recreational value. More effective protection measures should be adopted as the area is highly affected by anthropogenic and natural threats. Studying larval fish communities in these impacted nursery areas will be relevant to the management of local ecosystems and to larval fish ecology in general. Spatial and seasonal distribution and the effect of environmental factors on the larval fish community of this ecosystem were studied for one year (April 2010 to March 2011). Larvae were sampled monthly in parallel with phytoplankton and zooplankton. Hydrological data and physical parameters were monitored. A decision tree model was used to assess the influence of environmental factors on the larval fish community. A total of 130 larvae and 1171 eggs were caught. Diplodus sargus, Sardina pilchardus, and Pomatoschistus microps were the most abundant larval fish species. The peaks of fish larvae abundance occurred in March and April. The output of the model demonstrates that the abundance of larval fish is determined by the abundance of eggs, zooplanktonic food, and water flood and flow. This study shows the importance of the Guadiana salt marsh as an area for fish nursery and highlights the need for conservation of this area.
dc.description.sponsorshipFCT (Portuguese Foundation for Science and Technology) [SFRH/BD/47985/2008]
dc.identifier.doi10.3989/scimar.04081.08A
dc.identifier.issn0214-8358
dc.identifier.issn1886-8134
dc.identifier.urihttp://hdl.handle.net/10400.1/11638
dc.language.isoeng
dc.peerreviewedyes
dc.publisherInst Ciencias Mar Barcelona
dc.relationROLE OF GUADIANA ESTUARINE WETLANDS AS A NURSERY AREA FOR FISH UNDER CLIMATE CHANGE & ANTHROPOGENIC PRESSURES. UNDERSTAND, MODEL AND DEVELOP ECOHYDROLOGICAL RESTORATION TECHNIQUES
dc.subjectSardine Sardina-Pilchardus
dc.subjectNutritional Condition
dc.subjectTemporal Variability
dc.subjectAfrican Estuaries
dc.subjectSouthern Portugal
dc.subjectFresh-Water
dc.subjectAssemblages
dc.subjectAbundance
dc.subjectNekton
dc.subjectResident
dc.titleEnvironmental factors affecting larval fish community in the salt marsh area of Guadiana estuary (Algarve, Portugal)
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleROLE OF GUADIANA ESTUARINE WETLANDS AS A NURSERY AREA FOR FISH UNDER CLIMATE CHANGE & ANTHROPOGENIC PRESSURES. UNDERSTAND, MODEL AND DEVELOP ECOHYDROLOGICAL RESTORATION TECHNIQUES
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F47985%2F2008/PT
oaire.citation.endPage34
oaire.citation.issue1
oaire.citation.startPage25
oaire.citation.titleScientia Marina
oaire.citation.volume79
person.familyNameAtanasova
person.familyNameTeodosio
person.familyNameBen-Hamadou
person.familyNameChicharo
person.givenNameNatasa
person.givenNameMaria
person.givenNameRadhouan
person.givenNameLuis
person.identifier.ciencia-idAF10-647B-65FB
person.identifier.ciencia-id6716-EE1C-B995
person.identifier.orcid0000-0002-8506-1667
person.identifier.orcid0000-0002-0939-9885
person.identifier.orcid0000-0003-2686-5822
person.identifier.orcid0000-0002-4933-2300
person.identifier.ridB-5077-2013
person.identifier.ridF-8192-2011
person.identifier.scopus-author-id12763953800
person.identifier.scopus-author-id56196396700
person.identifier.scopus-author-id15764751100
person.identifier.scopus-author-id6602881426
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccess
rcaap.typearticle
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