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Recovery of substrates and macro-benthos after fishing trials with a new Portuguese clam dredge

2003Journal article Open access
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dc.contributor.authorGaspar, Miguel
dc.contributor.authorSantos, M. N.
dc.contributor.authorMiguel de Sousa Leitão, Francisco
dc.contributor.authorChícharo, Luís
dc.contributor.authorChicharo, Maria Alexandra Teodosio
dc.contributor.authorMonteiro, C. C.
dc.date.accessioned2013-02-27T14:08:05Z
dc.date.available2013-02-27T14:08:05Z
dc.date.issued2003
dc.date.updated2013-02-19T15:33:53Z
dc.description.abstractThe effect of dredging on bottom structure was assessed, to estimate the damage inflicted on the benthic macrofauna left on the dredge path and to evaluate aggregations of scavengers within the track. Sediment suspended during dredging rapidly resettled both on sand and sandy-mud bottoms. Dredge tracks were deeper on sandy-mud sediments and persisted longer than in sandy sediments. The disappearance of tracks in both sediment types depended both on current strength and wave action. Damage and mortality induced by dredging on the macrobenthic animals left on the dredge path was relatively low. Post-fishing diver observations showed that damaged animals left on the dredge path rapidly attracted scavengers, mainly Ophiura albida. Immediately after the tow ophiuras reached densities 8 times greater in the track region than in the background. However, they dispersed again rapidly because only few damaged fauna were available on the dredge tracks. Undamaged or slightly damaged shellfish started to rebury immediately after escaping from the dredge.por
dc.identifier.citationGaspar, M. B.; Santos, M. N.; Leitao, F.; Chicharo, L. M. Z.; Chicharo, A.; Monteiro, C. C. Recovery of substrates and macro-benthos after fishing trials with a new Portuguese clam dredge, Journal of the Marine Biological Association of the United Kingdom, 83, 4, 713-717, 2003.por
dc.identifier.issn0025-3154
dc.identifier.otherAUT: MCH00377;
dc.identifier.urihttp://hdl.handle.net/10400.1/2490
dc.language.isoengpor
dc.peerreviewedyespor
dc.subjectPecten-maximus L.por
dc.subjectLarval fishespor
dc.subjectGreat scalloppor
dc.subjectSurvivalpor
dc.subjectCatchpor
dc.titleRecovery of substrates and macro-benthos after fishing trials with a new Portuguese clam dredgepor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage717por
oaire.citation.issue4por
oaire.citation.startPage713por
oaire.citation.titleJournal of the Marine Biological Association of the United Kingdompor
oaire.citation.volume83por
person.familyNameGaspar
person.familyNameLeitão
person.familyNameChicharo
person.familyNameTeodosio
person.givenNameMiguel
person.givenNameFrancisco
person.givenNameLuis
person.givenNameMaria
person.identifier620214
person.identifier.ciencia-idF719-07AC-E41F
person.identifier.ciencia-id3E1C-DBC2-42D5
person.identifier.ciencia-id6716-EE1C-B995
person.identifier.ciencia-idAF10-647B-65FB
person.identifier.orcid0000-0001-9245-8518
person.identifier.orcid0000-0003-4983-9782
person.identifier.orcid0000-0002-4933-2300
person.identifier.orcid0000-0002-0939-9885
person.identifier.ridF-5398-2011
person.identifier.ridM-3980-2013
person.identifier.ridB-5077-2013
person.identifier.scopus-author-id23501123500
person.identifier.scopus-author-id7003991946
person.identifier.scopus-author-id6602881426
person.identifier.scopus-author-id56196396700
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication6185b7ee-acc9-4a7e-a7db-37384e94f4df
relation.isAuthorOfPublicationb138ce56-d033-450e-98a4-2bcb19f4a34e
relation.isAuthorOfPublicationd3ff8510-3be1-4a6a-abdd-eb671a819aef
relation.isAuthorOfPublicationb39b2d6d-d6f5-4130-a9b9-4e7624d44676
relation.isAuthorOfPublication.latestForDiscoveryd3ff8510-3be1-4a6a-abdd-eb671a819aef

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