Protecting the protected : reducing wildlife roadkill in protected areas

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dc.contributor.author Collinson, W.J.
dc.contributor.author Marneweck, C.
dc.contributor.author Davies-Mostert, Harriet T.
dc.date.accessioned 2019-04-18T12:23:22Z
dc.date.issued 2019
dc.description Table S1. The 45 candidate models used to investigate factors affecting wildlife collisions. The top model is indicated in bold, where delta AICc ≤ 2. en_ZA
dc.description Data S1. Supplementary material. en_ZA
dc.description.abstract Social media discussions highlight public concern for wildlife‐vehicle collisions (WVCs) inside protected areas. Using a quasi‐experimental field trial, we investigated factors affecting the likelihood of WVCs within Pilanesberg National Park, South Africa, and assessed the comparative effectiveness of wildlife‐warning signage (WWS) for altering driver behaviour. We laid a dummy snake crosswise on roads across four combinations of habitat and road shape and recorded 10 driver‐related variables for 1454 vehicles that passed the dummy snake, including whether there was a collision. An interaction between speeding and driver occupation (staff/visitor) was the best indicator for WVC. When driving below the speed limit, visitors were almost three times more likely than staff to hit the dummy snake. Collision probabilities increased when speeding and became more similar between visitors and staff, although still significantly higher for visitors. We then investigated the effectiveness of roadside signage in modifying driver behaviour by erecting four variations of WWS, depicting a snake or a cheetah, and in photographic or silhouette form. We positioned the dummy snake 100 m or 1 km after the signage and recorded our 10 variables (n = 6400 vehicles). Sixty‐one per cent of drivers who passed a WWS changed their behaviour when they saw the dummy snake, compared to 37% with no sign present. Further, this behaviour change significantly reduced collisions, where 98% of drivers who changed their behaviour avoided a collision. Finally, an interaction between the animal depicted and distance before the dummy snake affected collisions. A WWS depicting a snake, and placed 100 m before the dummy snake, was most effective at reducing collisions. Our results suggest that drivers adapt their behaviour to signage that portrays smaller animals and awareness retention is low. Ultimately, to reduce WVCs within protected areas, we suggest steeper penalties for speeding and WWS placed in WVC hotpot areas. en_ZA
dc.description.department Mammal Research Institute en_ZA
dc.description.embargo 2020-01-30
dc.description.librarian hj2019 en_ZA
dc.description.uri https://zslpublications.onlinelibrary.wiley.com/journal/14691795 en_ZA
dc.identifier.citation Collinson, W.J., Marneweck, C. & Davies-Mostert, H.T. 2019, 'Protecting the protected: reducing wildlife roadkill in protected areas', Animal Conservation, NYP. en_ZA
dc.identifier.issn 1367-9430 (print)
dc.identifier.issn 1469-1795 (online)
dc.identifier.other 10.1111/acv.12481
dc.identifier.uri http://hdl.handle.net/2263/69011
dc.language.iso en en_ZA
dc.publisher Wiley en_ZA
dc.rights © 2019 The Zoological Society of London. This is the pre-peer reviewed version of the following article : 'Protecting the protected: reducing wildlife roadkill in protected areas', Animal Conservation, vol. x, no. y, pp. z-zz, 2018, doi : 10.1111/acv.12481. The definite version is available at : https://zslpublications.onlinelibrary.wiley.com/journal/14691795. en_ZA
dc.subject Wildlife‐vehicle collisions (WVCs) en_ZA
dc.subject Pilanesberg National Park, South Africa en_ZA
dc.subject Wildlife‐warning signage (WWS) en_ZA
dc.subject Driver behaviour en_ZA
dc.subject Wildlife roadkill en_ZA
dc.subject Protected areas (PAs) en_ZA
dc.subject Mitigation en_ZA
dc.subject Visitors en_ZA
dc.title Protecting the protected : reducing wildlife roadkill in protected areas en_ZA
dc.type Postprint Article en_ZA


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