Reference : Using sets of behavioral biomarkers to assess short-term effects of pesticide: a stud...
Scientific journals : Article
Life sciences : Aquatic sciences & oceanology
Life sciences : Environmental sciences & ecology
Social & behavioral sciences, psychology : Animal psychology, ethology & psychobiology
Social & behavioral sciences, psychology : Theoretical & cognitive psychology
http://hdl.handle.net/2268/113357
Using sets of behavioral biomarkers to assess short-term effects of pesticide: a study case with endosulfan on frog tadpoles
English
Denoël, Mathieu mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Biologie du comportement - Ethologie et psychologie animale >]
D'hooghe, Bastien [Université de Liège - ULg > Bioloogie, Ecologie et Evolution > Unité de Biologie du Comportement > >]
Ficetola, G. Francesco [University of Milano-Bicocca > Department of Environmental Sciences > > >]
Brasseur, Catherine mailto [Université de Liège - ULg > Département de chimie (sciences) > GIGA-R : Laboratoire de spectrométrie de masse (L.S.M.) >]
De Pauw, Edwin mailto [Université de Liège - ULg > Département de chimie (sciences) > GIGA-R : Laboratoire de spectrométrie de masse (L.S.M.) >]
Thomé, Jean-Pierre mailto [Université de Liège - ULg > Département de Biologie, Ecologie et Evolution > Ecologie animale et écotoxicologie >]
Kestemont, Patrick [Université Npotre-Dame de la Paix > Research Unit in Environmental and Evolutionary Biology > > >]
2012
Ecotoxicology
Kluwer Academic Publishers
21
4
1240-1250
Yes (verified by ORBi)
International
0963-9292
Boston
MA
[en] Ecotoxicology ; Endosulfan ; Organochlorine pesticide ; Insecticide ; Amphibian decline ; Frog ; Rana temporaria ; Behavioral marker ; Behavioral endpoint ; Behaviour ; Feeding ; Activity ; Swirling ; Convulsion ; Neurotoxicity ; Paralysis ; Sublethal effects ; Pollution ; Amphibian conservation ; Survival ; Growth ; Lag effects ; Post exposure effects ; Short-term effects
[fr] Amphibiens ; Grenouille ; Ecotoxicologie ; Comportement ; Biomarqueur ; Effets subléthaux
[en] Pesticides and other chemicals often have detrimental effects at environmental concentrations. Many amphibian species are particularly threatened because of their susceptibility but also because wetlands are often polluted. Behavioral assessments of toxicity have the advantage of showing sublethal effects but quantitative measures at varied scales of integrations are rarely considered together. In this study, we aimed at showing that these behavioral endpoints could be differently affected across time and concentrations, and be biomarkers of toxicity. To this end, we tested the effects of an organochlorine pesticide (endosulfan) on amphibians during a standard 96 h test. We evaluated possible lag effects in continuing the analyses after removal of the pesticide. The study was based on 240 tadpoles (4 pesticide treatments: 0.4, 3, 22, and 282 lg/l, 1 control and 1 solvent-control). Abnormal behaviors such as lying and swirling rapidly were exhibited only in the presence of the pesticide. Essential functions such as breathing and feeding were deeply affected by the pesticide: contaminated tadpoles breathed and fed less than control tadpoles. They also moved less and occupied a more central position in the aquariums in the presence of the pesticide. A higher mortality was only found at the highest concentration. These results suggest that endosulfan is toxic to amphibians at environmental concentrations. Behavioral markers showed potential as early warning systems. They should thus be used in complement to other markers to detect sublethal effects only a few days after application of the pesticide and at concentrations where mortality does not occur.
Fonds de la Recherche Scientifique (Communauté française de Belgique) - F.R.S.-FNRS ; Fonds de la Recherche Fondamentale Collective - FRFC
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/113357
10.1007/s10646-012-0878-3
This paper is available at Springer website: http://www.springerlink.com/content/1141m7701p247271/

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