Natural factors and chemical contamination control the structure of macrobenthic communities in the Santos Estuarine System (SP, Brazil)
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2019
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Community Ecology
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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 ninetynine
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.
Como referenciar
ABESSA, D.M.S.; RACHID, B.R.F.; ZARONI, L.P.; GASPARRO, M.R.; PINTO, Y.A.; BICEGO, M.C.; HORTELLANI, M.A.; SARKIS, J.E.S.; MUNIZ, P.; MOREIRA, L.B.; SOUSA, E.C.P.M. Natural factors and chemical contamination control the structure of macrobenthic communities in the Santos Estuarine System (SP, Brazil). Community Ecology, v. 20, n. 2, p. 121-137, 2019. DOI: 10.1556/168.2019.20.2.3. Disponível em: http://repositorio.ipen.br/handle/123456789/30456. Acesso em: 20 Apr 2024.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.