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Title: Assessing single and joint effects of chemicals on the survival and reproduction of Folsomia candida (Collembola) in soil
Author: Amorim, M. J. B.
Pereira, C.
Menezes-Oliveira, V. B.
Campos, Bruno
Soares, A. M. V. M.
Loureiro, S.
Keywords: Binary mixture
Chronic effects
Issue Date: Jan-2012
Publisher: Elsevier
Abstract: Chemicals are often found in the environment as complex mixtures. There has been a large effort in the last decade to assess the combined effect of chemicals, using the conceptual models of Concentration Addition and Independent Action, but also including synergistic, antagonistic, dose-level and dose-ratio dependent deviations from these models. In the present study, single and mixture toxicity of atrazine, dimethoate, lindane, zinc and cadmium were studied in Folsomia candida, assessing survival and reproduction. Different response patterns were observed for the different endpoints and synergistic patterns were observed when pesticides were present. Compared with the previously tested Enchytraeus albidus and Porcellionides pruinosus, the mixture toxicity pattern for F. candida was species specific. The present study highlights the importance of studying toxicity of chemicals mixtures due to the observed potentiation of effects and confirms that for an adequate ecologically relevant risk assessment different organisms and endpoints should be included.
Peer review: yes
DOI: 10.1016/j.envpol.2011.09.005
ISSN: 0269-7491
Appears in Collections:CESAM - Artigos
DBio - Artigos

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