Canopy bridges as road overpasses for wildlife in urban fragmented landscapes
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Published source details
Teixeira F.Z., Printes R.C., Fagundes J.C.G., Alonso A.C. & Kindel A. (2013) Pontes de corda como passagens para animais silvestres em paisagens urbanas fragmentadas. Biota Neotropica, 13, 117-123.
Published source details Teixeira F.Z., Printes R.C., Fagundes J.C.G., Alonso A.C. & Kindel A. (2013) Pontes de corda como passagens para animais silvestres em paisagens urbanas fragmentadas. Biota Neotropica, 13, 117-123.
Actions
This study is summarised as evidence for the following.
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Install rope bridges between canopies Action Link |
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Install rope bridges between canopies
A study in 2008–2009 of a forested and urban area in Porto Alegre, Brazil (Teixeira et al. 2013) found that rope canopy bridges over roads were used by three mammal species. Rope canopy bridges were used by brown howler monkeys Alouatta guariba clamitans (4 of 6 bridges), porcupines Sphiggurus villosus (2 of 6 bridges) and white-eared opossums Didelphis albiventris (1 of 6 bridges). Six canopy bridges were installed in 2001–2006 at sites close to a protected reserve where brown howler monkeys had been killed on roads or used power lines to cross them. Each bridge consisted of a horizontal ‘ladder’ made from rope and rubber hose (4 x 12 m parallel ropes with rubber hose ‘steps’ at 80 cm intervals and interlaced ropes forming a ‘X’ between each step). Camera traps and trained local observers monitored each of the six bridges for a total of 33–152 days during 6–15 months in 2008–2009.
(Summarised by: Anna Berthinussen)
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