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Ecosytems and Sustainable Development VII
Response behaviors of indicator species in aquatic conditions were characterized by multivariate statistical methods after an insecticide, diazinon, was treated at low concentration (1 ppb). Seventeen larvae of Chironomus riparius were individually monitored using a CCD camera before (8 hours) and after (8 hours) the treatments. The variables presenting inactivity such as proportion of stops (p.stop) and mean weighting time for movement (m.wt) were increased, while mean speed (m.speed) and meandoi:10.2495/eco090131 fatcat:m73powf7g5ci7ikjeipa33mhyy