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Heavy metal analysis in Hemidactylus mabouia (Geckonidae) as a method to classify urban environmental quality

Abstract

The paper presents results of the Ecology Program of the GTZ (German Agency for Technical Cooperation) in Porto Alegre, Brazil. It has been evaluated the suitability of the lizard-species Hemidactylus mabouia as an indicator of an environmental quality zonation in the urban area. Different accumulation levels of the heavy metals lead, cadmium and zinc have been exhaustively analysed as well as in other components of its food chain. Considering the suitability of the species as an bioindicator more studies utilizing its potentiabilities will be carried out in the future in order to assess the presence of pollutants in brazilian urban ecosystems

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