engleski

Earthworms as test organisms for biomonitoring of marshlands after larvicide treatment

Larvicide treatments are anthropologically much more acceptable than adulticide tratments. The best example is mosquito abatement. The adulticide treatments include fogging and misting of human settlements. On the other hand, larvicides are applied on aquatic surfaces thus avoiding the inhalation of insecticides. Unfortunately, the inundation regime in marshlands affects both the distribution and the kinetics of biomagnification, bioconcentration, and biodispersal processes of pollutants in the ecosystem compartments. Therefore, in these areas that are periodically inundated it is essential to study the effects of larvicides within the habitat. This paper discusses the use of Allolobophora chlorotica and Eiseniella tetraedra, for an aquatic-terrestrial systems pollution biomonitoring from an ecological and ecotoxicological point of view post diflubenzuron and temephos treatment. A model for biomarker's data extrapolation (acetylcholinesterase, ethoxycumarine-O- deethylase/ethoxyresorufin-O-deethylase, total glutathione, glutathione-S-transferase, catalase and total thiobarbituric reactive substances) measured on common earthworm model species – Eisenia fetida and Lumbricus terrestris is described.

earthorms; biomonitoring; larvicide treatment

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