Are motorway wildlife passages worth building? Vertebrate use of road-crossing structures on a Spanish motorway.

Numerous road and railway construction projects include costly mitigation measures to offset the barrier effect produced on local fauna, despite the scarcity of data on the effectiveness of such mitigation measures. In this study, we evaluate the utility of different types of crossing structures. Vertebrate use of 43 transverse crossing structures along the A-52 motorway (north-western Spain) was studied during spring 2001. Research centered on wildlife passages (9), wildlife-adapted box culverts (7), functional passages (6 overpasses, 7 underpasses) and culverts (14), with marble dust being used to record animal tracks. A total of 424 track-days were recorded, with most of the larger vertebrate groups present in the area being detected. All crossing structure types were used by animals, although the intensity of use varied significantly among them (Kruskal–Wallis test, p<0.05); culverts were used less frequently than

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Date of creation 2024-09-17
Date of last revision 2024-09-17
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Metadata identifier 07f36538-7846-5690-959c-a7d4c5f49c96
Metadata language Spanish
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ISO 19115 topic category biota
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INSPIRE identifier ESPMITECOIEPNBFRAGM427
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Geographic identifier Spain
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"{\"type\": \"Polygon\", \"coordinates\": [[[-18.16, 27.64], [4.32, 27.64], [4.32, 43.79], [-18.16, 43.79], [-18.16, 27.64]]]}"
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  1. Journal of Environmental Management. Vol. 88
  2. Num. 3
  3. pags. 407-415
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Name of the dataset creator Mata, C., Hervás, I., Herranz, J., Suárez, F. y Malo, J.E.
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