title: Occurrence of antiparasitic pesticides in sediments near salmon farms in the northern Chilean Patagonia.
abstract: Growth of the aquaculture industry has triggered the need for research into the potential environmental impact of chemicals used by salmon farms to control diseases. In this study, the antiparasitic pesticides emamectin benzoate (EB), diflubenzuron (DI), teflubenzuron (TE), and cypermethrin (CP) were measured in sediments near salmon cages in southern Chile. Concentrations for EB were between 2.2 and 14.6ngg-1, while the benzoylphenyl ureas DI and TE were detected in the ranges of 0.1 to 1.2ngg-1and 0.8 to 123.3ngg-1, respectively. These results were similar to data reported for the Northern Hemisphere. On the other hand, the pyrethroid CP was detected in higher concentrations, ranging from 18.0 to 1323.7ngg-1. According to reported toxicity data, this range represents a potential risk for benthic invertebrates. This report is the first baseline attempt at assessing antiparasitic pesticide levels in the Chilean Patagonia.
authors.affiliation: Facultad de Ciencias Ambientales y Centro EULA-Chile, Universidad de Concepción, Barrio Universitario s/n, P.O. Box 160-C, Concepción, Chile. Electronic address: ftuca@udec.cl.
authors.forename: Felipe
authors.initials: F
authors.lastname: Tucca
authors.affiliation: Facultad de Ciencias Ambientales y Centro EULA-Chile, Universidad de Concepción, Barrio Universitario s/n, P.O. Box 160-C, Concepción, Chile.
authors.forename: Heriberto
authors.initials: H
authors.lastname: Moya
authors.affiliation: Research Center for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic; Facultad de Ciencias, Universidad Católica de la Santísima Concepción, Alonso de Ribera 2850, P.C. 407 01 29 Concepción, Chile; Department of Physical, Earth and Environmental Sciences, University of Siena, Via Mattioli 4, 53100 Siena, Italy.
authors.forename: Karla
authors.initials: K
authors.lastname: Pozo
authors.affiliation: Department of Physical, Earth and Environmental Sciences, University of Siena, Via Mattioli 4, 53100 Siena, Italy.
authors.forename: Francesca
authors.initials: F
authors.lastname: Borghini
authors.affiliation: Department of Physical, Earth and Environmental Sciences, University of Siena, Via Mattioli 4, 53100 Siena, Italy.
authors.forename: Silvano
authors.initials: S
authors.lastname: Focardi
authors.affiliation: Facultad de Ciencias Ambientales y Centro EULA-Chile, Universidad de Concepción, Barrio Universitario s/n, P.O. Box 160-C, Concepción, Chile.
authors.forename: Ricardo
authors.initials: R
authors.lastname: Barra
mesh_terms: D000818:Animals; D000977:Antiparasitic Agents / Q000032:analysis*; D017756:Aquaculture; D001549:Benzamides / Q000032:analysis; D002677:Chile; D004132:Diflubenzuron / Q000032:analysis; D019015:Geologic Sediments / Q000737:chemistry*; D007559:Ivermectin / Q000031:analogs & derivatives / Q000032:analysis; D010575:Pesticides / Q000032:analysis; D011722:Pyrethrins / Q000032:analysis; D012474:Salmon
chemical_list: D000977:Antiparasitic Agents; D001549:Benzamides; D010575:Pesticides; D011722:Pyrethrins; C017160:cypermethrin; D007559:Ivermectin; C052595:teflubenzuron; C108024:emamectin benzoate; D004132:Diflubenzuron
keywords: Aquaculture; Patagonia; Pesticides; Sediment