1. Degradace ptačích kadáverů na českých silnicích.
- Author
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Janoška, Zbyněk and Vyorálková, Lada
- Subjects
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TRAFFIC flow , *ANIMAL carcasses , *ANIMAL populations , *TRANSPORTATION of animals , *AUTOMOTIVE transportation - Abstract
Rapid degradation of animal carcasses on roads is one of the main sources of inaccuracy when estimating the effect of road transportation on animal populations. This paper aims to quantify the effect of traffic volume on the rate of bird carcass degradation. Carcasses were placed on three 1 km long road sections with different traffic volume, and the rate of degradation was observed 2, 4, 6, 9, 24 and 48 hours after the placement. Results show high speed of degradation with 68% of carcasses being demolished beyond recognition during 2 hours after being placed on the road. Only 5% of the carcasses allowed species identification 9 hours after being placed on the road. The effect of traffic volume on the rate of degradation was not confirmed. [ABSTRACT FROM AUTHOR]
- Published
- 2022