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Roe deer as a bioindicator: preliminary data on the impact of the geothermal power plants on the mineral profile in internal and bone tissues in Tuscany (Italy)

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Abstract

The European roe deer (Capreolus capreolus) is one of the most abundant ungulate species in Europe. Many studies have investigated its distribution, behavior, and ecology, but few have focused on its role as bioindicators for pollutants, particularly regarding antlers, which has been shown to indicate also deer physiology. The presence of geothermal power plants can induce accumulation of potentially polluting elements (such as Tl, S, and Pb). Thus, we collected roe deer samples from areas of Tuscany (Italy) where power plants are present. They were divided according to whether their home range included areas close or far from geothermal power plants. We analyzed the body measurements and the profile of the minerals in the liver and antlers tissues using the ICP-OES technique. Results showed that livers from roe deer close to power plant accumulated higher quantity of Bi, Co, Ni, Tl, and S compared to controls. Males culled close to geothermal power plants had significantly lower values for weight and chest circumference, and also, the antlers showed higher values for Li and Sr in the first sampling position. Thus, despite the small sample size in this preliminary study, antlers and livers of roe deer seem to be a bioindicator of industrial impact on the environment.

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The study was completely self-financed by the authors.

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Jamil Cappelli: data analysis, drafting of the manuscript, critical revision; Irene Frasca: antler and sampling collection, data analysis, drafting of the manuscript; Andrés García: sampling collection, critical revision; Tomas Landete-Castillejos: critical revision; Laureano Gallego: critical revision; Federico Morimando, Siriano Luccarini and Paolo Varuzza: sampling collection, critical revision; Marco Zaccaroni: study design, data analysis, critical revision. All authors read and approved the final manuscript.

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Correspondence to Jamil Cappelli.

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Cappelli, J., Frasca, I., García, A. et al. Roe deer as a bioindicator: preliminary data on the impact of the geothermal power plants on the mineral profile in internal and bone tissues in Tuscany (Italy). Environ Sci Pollut Res 27, 36121–36131 (2020). https://doi.org/10.1007/s11356-020-09708-x

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  • DOI: https://doi.org/10.1007/s11356-020-09708-x

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