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Macrobenthic mollusc fauna inhabiting Halopteris spp. subtidal fronds in São Miguel Island, Azores.

2001Journal article Open access
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dc.contributor.authorCosta, Ana C.
dc.contributor.authorÁvila, Sérgio P.
dc.date.accessioned2011-02-03T12:06:18Z
dc.date.available2011-02-03T12:06:18Z
dc.date.issued2001
dc.description.abstractThe molluscan community structure (species composition, abundance, density and diversity) associated with common brown algae Halopteris spp. at seven subtidal sites on São Miguel Island (Azores) were studied and checked for differences between sites. A total of 8.921 specimens (29 species of Gastropoda, 7 species of Bivalvia) were recorded Bit­tium sp., the most common species, representing 85.6% of the total number of molluscs sampled, was present at each site and the number of taxa found at each station ranged from 3 to 17. Four species (Bittium sp., Setia subvaricosa, Tricolia pul­lus azorica and Rissoa guernei) accounted for 96.6% of all the specimens sampled. The density of the molluscs reached 18.000 specimens/l00 g of algal dry weight (ADW). No significant differences in species diversity were found between sites. Further multispecies analysis between sites were conducted with both clustering and ordination techniques, and showed some separation between samples from south and north locations. The species responsible for this separation were the endemic Azorean Rissoids Rissoa guernei and Setia subvaricosa.por
dc.identifier.citationCosta, A.C. & S. P. Ávila (2001). Macrobenthic mollusc fauna inhabiting Halopteris spp. subtidal fronds in São Miguel Island, Azores. "Scientia Marina", 65(2): 117-126.por
dc.identifier.issn0214-8358
dc.identifier.urihttp://hdl.handle.net/10400.3/965
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherInstitut de Ciències del Mar de Barcelona (CSIC)por
dc.relation.ispartofseriesScientia Marina;65(2)
dc.subjectHalopteris spp.por
dc.subjectSão Miguel Islandpor
dc.subjectSubtidal sitespor
dc.subjectBit­tium sp.por
dc.subjectSetia subvaricosapor
dc.subjectTricolia pul­lus azoricapor
dc.subjectRissoa guerneipor
dc.subjectMolluscapor
dc.titleMacrobenthic mollusc fauna inhabiting Halopteris spp. subtidal fronds in São Miguel Island, Azores.por
dc.typejournal article
dspace.entity.typePublication
rcaap.rightsopenAccesspor
rcaap.typearticlepor

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