ReportsEcology

A global map of roadless areas and their conservation status

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Science  16 Dec 2016:
Vol. 354, Issue 6318, pp. 1423-1427
DOI: 10.1126/science.aaf7166

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Too many roads

Roads have done much to help humanity spread across the planet and maintain global movement and trade. However, roads also damage wild areas and rapidly contribute to habitat degradation and species loss. Ibisch et al. cataloged the world's roads. Though most of the world is not covered by roads, it is fragmented by them, with only 7% of land patches created by roads being greater than 100 km2. Furthermore, environmental protection of roadless areas is insufficient, which could lead to further degradation of the world's remaining wildernesses.

Science, this issue p. 1423