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  • Author or Editor: A. Cecchi x
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Abstract  

Instrumental neutron activation analysis was employed to measure 43 elements, including some macroconstituents, in the leaves of some species of the epiphytic genusTillandsia (Bromeliaceae). The results, confirming the oligotrophyc nature of the genus, are briefly discussed with regard to a possible role as multielemental environmental monitors.

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Abstract  

The present paper confirms that evergreen oak leaves (Ouercus ilex) are a reliable biological monitor for pollution originating from vehicular traffic. By treating of experimental data statistically a simple model was obtained which explains pollution levels in terms of vehicular density and particulate resuspension effects. An extensive list of current literature in this field is also included.

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