Community Ecology
Volume/Issue:
Volume 20: Issue 2
Natural factors and chemical contamination control the structure of macrobenthic communities in the Santos Estuarine System (SP, Brazil)
Authors:
D. M. S. Abessa UNESP Campus do Litoral Paulista, Praça Infante Dom Henrique, s/n., São Vicente, SP, 11330-900, Brazil
Instituto Oceanográfico da USP, Praça do Oceanográfico, 191. São Paulo, SP, 05508-900, Brazil

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B. R. F. Rachid Instituto Oceanográfico da USP, Praça do Oceanográfico, 191. São Paulo, SP, 05508-900, Brazil
BR Ambiental, Rua Corinto, 739, sala 91-a, São Paulo, SP, 05586-069, Brazil

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L. P. Zaroni Instituto Oceanográfico da USP, Praça do Oceanográfico, 191. São Paulo, SP, 05508-900, Brazil

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M. R. Gasparro Instituto Oceanográfico da USP, Praça do Oceanográfico, 191. São Paulo, SP, 05508-900, Brazil

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Y. A. Pinto Instituto Oceanográfico da USP, Praça do Oceanográfico, 191. São Paulo, SP, 05508-900, Brazil

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M. C. Bícego Instituto Oceanográfico da USP, Praça do Oceanográfico, 191. São Paulo, SP, 05508-900, Brazil

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M. A. Hortellan Instituto de Pesquisas Energéticas Nucleares, Av. Prof. Lineu Prestes, 2242, 05508-900 São Paulo – SP, Brazil

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J. E. S. Sarkis Instituto de Pesquisas Energéticas Nucleares, Av. Prof. Lineu Prestes, 2242, 05508-900 São Paulo – SP, Brazil

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P. Muniz Sección Oceanología, Facultad de Ciencias – UdelaR, Iguá 4225, Montevideo, 11400, Uruguay

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L. B. Moreira UNESP Campus do Litoral Paulista, Praça Infante Dom Henrique, s/n., São Vicente, SP, 11330-900, Brazil

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E. C. P. M. Sousa Instituto Oceanográfico da USP, Praça do Oceanográfico, 191. São Paulo, SP, 05508-900, Brazil

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Pages:
121–137
Online Publication Date:
Aug 2019
Publication Date:
01 Aug 2019
Article Category:
Research Article
DOI:
https://doi.org/10.1556/168.2019.20.2.3
Keywords:
Benthos; Distribution; Macrofauna; Pollution; Santos Estuarine System
Restricted access

Abstract

The Santos Estuarine System (SES) is a complex of bays, islands, estuarine channels, and rivers located on the Southeast coast of Brazil, in which multiple contaminant sources are situated in close proximity to mangroves and other protected areas. In this study, the composition and structure of the macrobenthic communities of SES were described and ninety-nine species were identified, with the predominance of polychaetes and bivalve mollusks. The benthic assemblages also showed strong signs of stress, as indicated by the low abundance, richness and diversity, and the dominance of opportunistic species. Integrated analysis including sediment characteristics related to natural and anthropogenic factors (e.g., sediment chemistry, and toxicity) indicated that benthic fauna from the inner portions of the SES and vicinities of the SSOS diffusers as Santos Bay were affected. Some locations at the mouths of Santos and Sao Vicente estuaries exhibited moderate disturbance. In other sites from the mouth of São Vicente and Bertioga channels, and Santos Bay, the benthic fauna were considered not degraded. Our results suggest that a combination of both environmental factors and contaminants were responsible for the benthic community structure.

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Cover Community Ecology
Community Ecology An Interdisciplinary Journal Reporting Progress in Community and Population Studies
Print ISSN:
1585-8553
Online ISSN:
1588-2756

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Community Ecology
Language English
Size A4
Year of
Foundation		 2000
Volumes
per Year		 1
Issues
per Year		 3
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1585-8553 (Print)
ISSN 1588-2756 (Online)

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