Abstract Crossing structures (CS) for wildlife are important mitigation strategies to offset impacts of roads on wildlife. However, information on CS use for the Indian subcontinent or the global tiger landscapes is scarce. We monitored wildlife use of nine CS on a national highway in a critical tiger conservation landscape in India. 21 wild mammals were found to use the CS within a span of 2 years. Tigers, wild dogs, most small mammals and ungulates were found to use CS that were near protected area, while ungulates and small mammals preferred CS with proximal vegetation cover. High species richness was observed under large CS. Similar capture rates for large carnivores between CS and adjacent habitat were observed. We found varied responses by structure generalists and specialists, a consequence of animal behavior and tolerance to human disturbance. We posit that animal behavior holds the key to designing and managing effective wildlife CS.
Crossing structure use in a tiger landscape, and implications for multi-species mitigation
2022-01-01
Article (Journal)
Electronic Resource
English
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