Use of an Integrated Geochemical and Ecotoxicological Approach to Evaluate Sediment Metal Contamination in Three Protected Estuarine Areas Along the Coast of Sao Paulo State, Brazil

Autor(es)

Capparelli, M. V. ^[1] ; McNamara, J. C. ^{[2, 3]} ; Araujo, G. S. ^[4] ; Cruz, A. C. F. ^[4] ; Abessa, D. M. S. ^[4]

Afiliação do(s) autor(es)

^[1] Univ Reg Amzon Ikiam, Fac Ciencias Tierra & Agua, Km 7 Via Muyuna, Tena, Napo - Ecuador

^[2] Univ Sao Paulo, Dept Biol, Fac Filosofia Ciencias & Letras Ribeirao Preto, BR-14040901 Ribeirao Preto, SP - Brazil

^[3] Univ Sao Paulo, Ctr Biol Marinha, BR-11600000 Sao Sebastiao, SP - Brazil

^[4] Univ Estadual Paulista, Campus Sao Vicente, BR-11380972 Sao Vicente, SP - Brazil

• Tipo de documento: Artigo Científico
• Fonte: Bulletin of Environmental Contamination and Toxicology; v. 106, n. 2 JAN 2021.
• Citações Web of Science: 1

Resumo

We compared sediment quality in estuaries at three locations along the coast of Sao Paulo State, Brazil, using geochemical analyses and whole sediment toxicity tests, during the southern summer and winter of 2013. Each locality is afforded a distinct degree of legal protection, and exhibits a different level of metal pollution: overall, Rio Diana (RD, the most polluted, a Permanent Protection Area) > Rio Itapanhau (RI, intermediate contamination, an Environmental Protection Area) > Rio Picinguaba (RP, pristine, a State Park). Chronic sediment toxicity tests evaluated reproductive rates of the copepod Nitokra sp. RI sediments showed the highest metal concentrations and toxicity in both seasons. Metal concentrations at RD were low but toxic in summer. RP sediments were not contaminated, suggesting effective legal protection from pollution at this locality. RI and RD, although provided some legal protection, showed clear signs of environmental degradation, emphasizing the need for more effective pollution control. (AU)

• Processo FAPESP: 11/08065-9 - Análise qualitativa e quantitativa da poluição por metais no caranguejo chama-marés Uca rapax (Ocypodidae, Brachyura) avaliada por biomarcadores fisiológicos, bioquímicos e genéticos
• Beneficiário: Mariana Vellosa Capparelli
• Modalidade de apoio: Bolsas no Brasil - Doutorado
• Processo FAPESP: 11/22537-0 - Implicações macroevolutivas da homeostase osmótica, térmica e metabólica em caranguejos neotropicais do entre-marés
• Beneficiário: John Campbell McNamara
• Modalidade de apoio: Auxílio à Pesquisa - Regular