Effects of bisphenol A on spatial displacement of the fish poecilia reticulata (2018)
- Authors:
- USP affiliated authors: SILVA, DANIEL CLEMENTE VIEIRA RÊGO DA - EEL ; BERNARDINO NETO, MORUN - EEL ; SILVA, FLÁVIO TEIXEIRA DA - EEL ; PAIVA, TERESA CRISTINA BRAZIL DE - EEL ; POMPEO, MARCELO LUIZ MARTINS - IB
- Unidades: EEL; IB
- Sigla do Departamento: LOB
- Assunto: MEIO AMBIENTE
- Language: Inglês
- Abstract: Bisphenol A is widely found in aquatic environments due to its use in the manufacture of many products. The presence of BPA in water bodies is of concern, because they can cause lethal and sublethal toxic effects in aquatic organisms. Chronic effects in aquatic organisms have been reported to occur at concentrations from 500 to 780 μg L-1. The vast majority of research focusing on the adverse effects of BPA has involved the use of concentrations many times higher than those found in natural water bodies (0.0005 to 0.41 μg L-1 in surface waters). However, there is no information concerning how a BPA contamination gradient could affect the spatial displacement of organisms. We hypothesized that fish might be able to detect an environmentally realistic BPA contamination gradient and avoid potential toxic effects due to continuous exposure. Therefore, the objectives of this work were: (i) to determine whether BPA could trigger an avoidance response in the freshwater fish Poecilia reticulata, inducing its displacement to less contaminated areas; (ii) to assess whether BPA drives avoidance occurred at environmentally relevant concentrations; and (iii) to estimate the population immediate decline (PID) at the local scale. Avoidance tests were conducted in a multi-compartment system in which a BPA contamination gradient was simulated. At environmentally relevant concentrations ( < 1 μg L-1), under non-forced exposure, BPA elicited avoidance responses in P. reticulata. The concentration that caused 50% of avoidance in the exposed population (AC50 = 0.2 μg L-1) was 15 times lower than the values established as safe by the European Union (1.5 μg L-1) and Japan (1.6 μg L-1). If the AC20 (estimated from the avoidance data) is taken to be a potentially safe concentration to prevent BPA-driven avoidance, a value of 0.004 μg L-1 is obtained, which is lower than the concentration of 0.175 μg L-1 consideredsafe by many international governments. PID was mainly determined by the avoidance response. The approach used in the present study represents a valuable tool for use in environmental risk assessment strategies, providing a novel and ecologically relevant response.
- Imprenta:
- Publisher: Universidade de Coimbra
- Publisher place: Coimbra
- Date published: 2018
- Source:
- Título: Abstract book of XIX Conference of the Iberian Association of Limnology Inland waters and XXI century challenges: from scientifc knowledge to environmental management
- Volume/Número/Paginação/Ano: p. 40, 2018
-
ABNT
SILVA, Daniel Clemente Vieira Rego et al. Effects of bisphenol A on spatial displacement of the fish poecilia reticulata. 2018, Anais.. Coimbra: Universidade de Coimbra, 2018. p. 40. Disponível em: https://www.limnetica.net/documentos/congresos/Book_of_abstracts_Coimbra2018.pdf. Acesso em: 28 dez. 2025. -
APA
Silva, D. C. V. R., Araújo, C. V. de M., Bernardino Neto, M., Silva, F. T. da, Paiva, T. C. B. de, & Pompêo, M. L. M. (2018). Effects of bisphenol A on spatial displacement of the fish poecilia reticulata. In Abstract book of XIX Conference of the Iberian Association of Limnology Inland waters and XXI century challenges: from scientifc knowledge to environmental management (p. 40). Coimbra: Universidade de Coimbra. Recuperado de https://www.limnetica.net/documentos/congresos/Book_of_abstracts_Coimbra2018.pdf -
NLM
Silva DCVR, Araújo CV de M, Bernardino Neto M, Silva FT da, Paiva TCB de, Pompêo MLM. Effects of bisphenol A on spatial displacement of the fish poecilia reticulata [Internet]. Abstract book of XIX Conference of the Iberian Association of Limnology Inland waters and XXI century challenges: from scientifc knowledge to environmental management. 2018 ; 40.[citado 2025 dez. 28 ] Available from: https://www.limnetica.net/documentos/congresos/Book_of_abstracts_Coimbra2018.pdf -
Vancouver
Silva DCVR, Araújo CV de M, Bernardino Neto M, Silva FT da, Paiva TCB de, Pompêo MLM. Effects of bisphenol A on spatial displacement of the fish poecilia reticulata [Internet]. Abstract book of XIX Conference of the Iberian Association of Limnology Inland waters and XXI century challenges: from scientifc knowledge to environmental management. 2018 ; 40.[citado 2025 dez. 28 ] Available from: https://www.limnetica.net/documentos/congresos/Book_of_abstracts_Coimbra2018.pdf - Potential effects of triclosan on spatial displacement and local population decline of the fish Poecilia reticulata using a non-forced system
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