Vertebrate roadkills in a secondary road in Costa Rica

Roads have been one of the most significant anthropological changes in natural landscapes. Their effects are much more visible and strong in animal populations, which suffer from loss of connectivity, home range and habitat, and loss of individuals from roadkills, which is the most visible and easy...

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Detalles Bibliográficos
Autor: Rojas Chacón, Esteban
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2011
País:Costa Rica
Institución:Universidad Estatal a Distancia
Repositorio:Portal de Revistas UNED
Idioma:español
OAI Identifier:oai:revistas.investiga.uned.ac.cr:article/209
Acceso en línea:https://revistas.uned.ac.cr/index.php/cuadernos/article/view/209
Access Level:acceso abierto
Palabra clave:Road ecology
roadkills
secondary road
flat fauna
Costa Rica.
Ecología de caminos
atropellos
caminos secundarios
“fauna aplastada”
Descripción
Sumario:Roads have been one of the most significant anthropological changes in natural landscapes. Their effects are much more visible and strong in animal populations, which suffer from loss of connectivity, home range and habitat, and loss of individuals from roadkills, which is the most visible and easy to measure effect. From May 24 through July 28, 2010, I recorded all roadkills three times a week in a segment of 850 meters of a secondary road, in the Central Valley of Costa Rica. Nine animals were killed when the number of vehicles in the road was lower, compared with three when the number of vehicles increased. This negative correlation (r = –0,545) was unexpected. The most affected taxonomic group was the Bufonidae (Amphibia), with 5 roadkills.