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Roadkill hotspots in a protected area of Cerrado in Brazil: planning actions to conservation

Roadkill hotspots in a protected area of Cerrado in Brazil: planning actions to conservation

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Saranholi, B. H., Bergel, M. M., Ruffino, P. H., Rodríguez-C, K. G., Ramazzotto, L. A., de Freitas, P. D., & Galetti Jr, P. M. (2016). Roadkill hotspots in a protected area of Cerrado in Brazil: planning actions to conservation. Revista MVZ Córdoba, 21(2), 5441-5448.

Bruno H Saranholi
Mariano M Bergel
Paulo HP Ruffino
Karen G Rodríguez-C
Lucas A Ramazzotto
Patrícia D de Freitas
Pedro M Galetti Jr

Objective. Here we aimed to identify the main points of animal death by roadkill in the view of helping mitigation plans and reducing the impact over the local fauna of a protected area. Materials and methods. We surveyed the roads around a protected area of Cerrado (São Paulo, Brazil) from May 2012 to August 2013. We recorded the local of roadkills, biometric and morphologic data of the animals, and collected samples of tissue for molecular species confirmation. Results. Thirty-one roadkilled animals were registered, including threatened species: Leopardus pardalis; Cuniculus paca and Chrysocyon brachyurus. Most roadkills were represented by mammals (54.8%) and reptiles (38.7%), and the mortality rate was 1.46 animals/km/year. Three roadkill hotspots were detected, suggesting that they were important points of animal crossing, probably because of the existence of natural remnant vegetation and intersection of roads by riparian vegetation. Conclusions. This work provided strong evidence of the most critical points where mitigation strategies should be immediately implemented and highlighted the importance of detecting roadkill hotspots and the species or taxonomic groups more affected, helping to elaborate effective actions that can improve fauna conservation.


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