Road ecology blog: Multi-functional underpasses (water, wildlife), São Paulo, Brazil
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Road ecology blog: Multi-functional underpasses (water, wildlife), SP-270 about 70 km south east of Presidente Prudente, São Paulo, Brazil
When possible it is best to build a structure that has no bottom as this allows for natural stream dynamics (e.g. bottomless culvert or overspan bridge). To make a stream crossing also suitable for different wildlife species, it is best to include space for semi-aquatic species (riparian zone) and terrestrial species (dry zone) rather than only for aquatic species (wet zone). Finally, it is best to not have dividing walls inside the structure and allow for greater visibility for wildlife inside and through the structure. Note that there are South American tapir (Tapirus terrestris) in the immediate vicinity of structure shown in the second image and that several have been hit at this location over the last few years.
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A multi-functional underpass (water, wildlife), SP270, east of Presidente Prudente, São Paulo, BrazilA multi-functional underpass (water, wildlife), SP270, east of Presidente Prudente, São Paulo, Brazil. When possible it is best to build a structure that has no bottom as this allows for natural stream dynamics (e.g. bottomless culvert or overspan bridge). To make a stream crossing also suitable for different wildlife species, it is best to include space for semi-aquatic species (riparian zone) and terrestrial species (dry zone) rather than only for aquatic species (wet zone).
Multi-functional underpass (water, wildlife), SP-270 about 70 km south east of Presidente Prudente, São Paulo, BrazilMulti-functional underpass (water, wildlife), SP-270 about 70 km south east of Presidente Prudente, São Paulo, Brazil. Note that there are South American tapir (Tapirus terrestris) in the immediate vicinity and several have been hit at this location over the last few years. When possible it is best to provide a structure that does not have a bottom and that allows for natural stream dynamics. In addition, a structure that is wide enough to allow for semi-aquatic and terrestrial habitat inside the structure would allow a wider array of wildlife species to use the structure.