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Title: Temporal patterns of bird mortality due to road traffic collisions in a Mediterranean region
Authors: Pinto, Pandora
Lourenço, Rui
Mira, António
Santos, Sara Maria
Keywords: roadkill
temporal pattern
Issue Date: 1-Jul-2020
Publisher: Taylor & Francis
Citation: Pinto, P., Lourenço, R., Mira, A., Santos, S.M. Temporal patterns of bird mortality due to road traffic collisions in a Mediterranean region. Bird Study (2020)
Abstract: Capsule: There was signi fi cant variation on the incidence of road tra ffi c mortality across bird species, due to seasonal and weather e ff ects but also due to di ff erences between years. Aims: To assess patterns of mortality due to tra ffi c collision for six common bird species over a period of nine years in relation to seasonality and weather. Methods: Road mortality surveys were performed on four road sections from 2005 to 2013 in southern Portugal. The analysis controlled for survey frequency, and carcass persistence and detectability. Results: Overall, bird mortality decreased over time and was generally higher during spring and summer months. The lack of strong relationships between the weather variables and the observed mortality patterns suggests the existence of additional factors important in explaining the observed trends. Conclusions: Our study provides evidence that bird mortality due to collision with vehicles may change between years and was highest during the breeding season. This could have population consequences, and highlights the need to further address large temporal scales in roadkill research.
Type: article
Appears in Collections:BIO - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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