Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/94840
Type: Artigo de periódico
Title: Environmental Variables And Intertidal Beach Annelids Of São Sebastião Channel (state Of São Paulo, Brazil)
Author: Rizzo A.E.
Amaral A.C.Z.
Abstract: Benthic annelid communities were studied during a one-year period (August/95 to July/96) in two sectors of the beaches Engenho d'Agua and São Francisco, São Sebastião Channel (São Paulo, Brazil), where the substrate is composed by a mixture of sand and rock fragments. Abiotic parameters such as salinity of interstitial water and sediment properties were used to characterize the environment. The polychaetes were well represented in the two sectors and their distribution was related with sediment type. The density of individuals and the number of taxa was higher at São Francisco, while the diversity and the evenness were higher at Engenho d'Agua. This difference can be a consequence of organic enrichment caused by domestic input, and of the lower and more variable salinity at São Francisco. Due to these factors, the high density of opportunistic species, like Capitella capitula ssp., Scolelepis squamata, Laeeonereis acuta and several oligochaetes, represented 75.5% of total abundance at this sector.
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Rights: aberto
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Address: http://www.scopus.com/inward/record.url?eid=2-s2.0-0041402622&partnerID=40&md5=81eef5b336a6c28cd9b644bae88328ba
Date Issue: 2001
Appears in Collections:Unicamp - Artigos e Outros Documentos

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