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Title: Sensitivity Comparison of Laboratory-Cultured and Field-Collected Amphipod Corophium multisetosum in Toxicity Tests
Authors: Menchaca, Iratxe; Jesus Belzunce, Maria; Franco, Javier; Mikel Garmendia, Joxe; Montero, Natalia; Revilla, Marta
Abstract: The feasibility of using lab-cultured amphipods Corophium multisetosum (Stock 1952) to evaluate the toxicity of contaminants present within marine sediments was studied. This was done by comparing the sensitivity of lab-cultured amphipods in a cadmium toxicity test and to toxic sediment samples, during a 10-days bioassay, with field collected individuals. Different responses were observed between field and cultured individuals. Cadmium test indicated high temporal variability in the LC(50) values of field amphipods (2.40-6.55 mg L(-1)). Sensitivity of cultured amphipods was within the seasonal range of the field individuals (5.81 mg L(-1), LC(50)). However, culture amphipods showed much lower sensitivity in toxic sediment samples. Our results indicate that sensitivity should be determined using a sediment matrix, if the assessment of toxicity is based upon bioassays performed with cultured burrower-amphipods.
Keywords: Bioassay; Cadmium; Corophium multisetosum; Culture; BENTHIC AMPHIPOD; ESTUARINE; SEDIMENT; VOLUTATOR; CADMIUM
Issue Date: 2010
Publisher: SPRINGER
Type: Article
Language: English
DOI: 10.1007/s00128-010-9960-9
ISSN: 0007-4861
Funder: Fundacio n Centros Tecnologicos Inaki Goenaga
Ministerio de Educacion y Ciencia and Fondo Social Europeo [PTQ04-3-0597]
Appears in Publication types:Artículos científicos

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