, Volume 41, Issue 2, pp 193–201 | Cite as

The Influence of Traffic Noise on Vertebrate Road Crossing Through Underpasses

  • Carlos Iglesias
  • Cristina Mata
  • Juan E. MaloEmail author


Noise produces multiple effects on ecosystems and it influences habitat use by vertebrates near roads. Thus, it may reduce the effectiveness of mitigation measures installed on roads to alleviate population fragmentation. This study analyses the effects of noise on the use by vertebrates of 19 underpasses at a motorway. It employs generalised linear models to test the effect of three noise indicators at the underpasses and in their vicinity on the crossing frequency of eight animal species. The results show that the road crossings are subjected to high and variable noise levels. Nevertheless, there is no consistent response to noise by vertebrates. This suggests that wildlife use of underpasses is determined more by habitat characteristics than by the levels of noise tolerated. The conclusion is that noise abatement measures on roads in areas of faunal sensitivity should focus on general noise reduction rather than on making individual crossing places quieter.


Habitat fragmentation Highway Indicator Mitigation Road ecology Wildlife passage 



Traffic data were supplied by the Servicio de Informática y Kilometraje (Dirección General de Carreteras, Ministerio de Fomento). Data on underpass use were collected as part of a research agreement funded by the Centro de Estudios y Técnicas Aplicadas (CEDEX, Ministerio de Fomento). The researchers of the TEG-UAM benefit from the financial support of the REMEDINAL-2 network (Fondo Social Europeo-Comunidad de Madrid S-2009/AMB/1783).


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Copyright information

© Royal Swedish Academy of Sciences 2011

Authors and Affiliations

  • Carlos Iglesias
    • 1
    • 2
  • Cristina Mata
    • 3
  • Juan E. Malo
    • 3
    Email author
  1. 1.ECOPÁS (Technical Association for Landscape Ecology and Environmental Monitoring)Tres CantosSpain
  2. 2.Departamento de Proyectos y Planificación RuralUniversidad Politécnica de MadridMadridSpain
  3. 3.Terrestrial Ecology Group, Departamento de EcologíaUniversidad Autónoma de MadridMadridSpain

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