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Ecological characterization of dredged and non-dredged bivalve fishing areas off south Portugal

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dc.contributor.authorChícharo, Luís
dc.contributor.authorChicharo, Maria Alexandra
dc.contributor.authorGaspar, M.
dc.contributor.authorAlves, Filipe
dc.contributor.authorRegala, J.
dc.date.accessioned2013-02-21T15:19:24Z
dc.date.available2013-02-21T15:19:24Z
dc.date.issued2002
dc.date.updated2013-02-19T15:45:12Z
dc.description.abstractMacro and meiobenthic communities of two fishing areas (Vilamoura and Lagos) in the western part of south Portugal (Algarve coast) were analysed. Both locations had been under severe dredge-fishing impact until four years previously. Vilamoura has since continued to be dredged, while fishing activity in Lagos was stopped in 1995 as a response to overfishing. For each location, three replicate areas were analysed at depths of 7–9 m. In each of these areas, 18 quadrats for macrofauna and 12 cores for meiofauna were randomly sampled by SCUBA divers during September 1999. The Shannon–Weiner diversity index was higher for meiofauna in the fished area, whereas macrofauna diversity was higher in the recently non-fished area. Bray–Curtis dissimilarity between the two areas was 87·82%. Major differences were found between Ampeliscidea, Amphiura mediterranea, Spisula solida, Haustoriidae, Nemertinea and Diogenes pugilator populations at the two sites. There was higher abundance but lower biomass of potential macrofaunal scavengers in the fished area, and carnivore biomass was also higher in this area. Deposit-feeders dominated meiofauna abundance in both study areas. The community structure of the continuously fished area was dominated by small, opportunistic, short-lived species while the community structure of the recently non-fished area was dominated by more fragile and long-living sessile organisms.
dc.identifier.citationChicharo, L. M. Z.; Chicharo, A.; Gaspar, M.; Alves, F.; Regala, J. Ecological characterization of dredged and non-dredged bivalve fishing areas off south Portugal, Journal of the Marine Biological Association of the United Kingdom, 82, 1, 41-50, 2002.por
dc.identifier.issn0025-3154
dc.identifier.otherAUT: MCH00377;
dc.identifier.urihttp://hdl.handle.net/10400.1/2392
dc.language.isoengpor
dc.peerreviewedyespor
dc.subjectMacrobenthic secondary productionpor
dc.subjectDifferent habitatspor
dc.subjectIntertidal zonepor
dc.subjectRia-Formosapor
dc.subjectNorth-Seapor
dc.subjectCommunitypor
dc.titleEcological characterization of dredged and non-dredged bivalve fishing areas off south Portugalpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage50por
oaire.citation.issue1por
oaire.citation.startPage41por
oaire.citation.titleJournal of the Marine Biological Association of the United Kingdompor
oaire.citation.volume82por
person.familyNameChicharo
person.familyNameTeodosio
person.familyNameAlves
person.givenNameLuis
person.givenNameMaria
person.givenNameFilipe
person.identifier1069549
person.identifier.ciencia-id6716-EE1C-B995
person.identifier.ciencia-idAF10-647B-65FB
person.identifier.ciencia-id1F1F-08D6-E54D
person.identifier.orcid0000-0002-4933-2300
person.identifier.orcid0000-0002-0939-9885
person.identifier.orcid0000-0003-3752-2745
person.identifier.ridB-5077-2013
person.identifier.scopus-author-id6602881426
person.identifier.scopus-author-id56196396700
person.identifier.scopus-author-id15748099500
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublicationd3ff8510-3be1-4a6a-abdd-eb671a819aef
relation.isAuthorOfPublicationb39b2d6d-d6f5-4130-a9b9-4e7624d44676
relation.isAuthorOfPublication9e5e82fc-b9b0-44d4-84d1-b101810a1985
relation.isAuthorOfPublication.latestForDiscoveryd3ff8510-3be1-4a6a-abdd-eb671a819aef

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