Journal
JOURNAL FOR NATURE CONSERVATION
Volume 74, Issue -, Pages -Publisher
ELSEVIER GMBH
DOI: 10.1016/j.jnc.2023.126443
Keywords
Roadkill; Vehicle collisions; Wildlife casualties; Mammals; Birds; Raptors; Protected areas; Greece
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Wildlife-vehicle collisions are a major cause of mortality in the Dadia-Lefkimi-Soufli National Park, with mammals being the most affected group. Although birds have a lower rate of casualties, nine species were still identified. Traffic volume, road category, season, and blind bend are the dominant factors influencing wildlife-vehicle collisions.
Wildlife-vehicle collisions have been identified as an important ecological problem in most countries around the world, during the last decades. In the present work we examined the impacts on wildlife arising from two road categories crossing and adjoining the Dadia-Lefkimi-Soufli National Park (DLS NP), in north-eastern Greece. The study area is consisted of one of the most diverse fauna in Europe, with 202 bird species including 36 out of 38 European diurnal raptors, 60-65 mammal species, 29 reptiles and 13 amphibians. Vehicle collisions was the highest mortality factor in the study (83.9%) among five recorded categories, poison, electrocution, drowning, vehicle collisions and unidentified causes. 204 vehicle casualties were recorded out of 243 in total. Mammals (90.7%) were the vertebrates that mainly suffered from road mortality, including 11 species. The stone marten Martes foina contributed with the highest numbers, followed by the red fox Vulpes vulpes, the hedgehog Erinaceus roumanicus and the wild cat Felis silvestris. Although the contribution of birds on the road casualties was low, nine species were identified, including five diurnal and four nocturnal species, with raptors predominating. Most road casualties were observed in the national road network (71.6%), mainly during holidays (58.3%). Traffic volume, road category, season and blind bend were all dominant factors with different effects determining high wildlife-vehicle collision values. Mitigation measures that can reduce the harmful effects of roads on wildlife in the DLS NP are also discussed.
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