Roadless Space of the Conterminous United States-Reference-Cited by-同舟云学术

Roadless Space of the Conterminous United States

Published:2007-05-04 Issue:5825 Volume:316 Page:736-738
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Watts Raymond D.¹²,Compton Roger W.¹²,McCammon John H.¹²,Rich Carl L.¹²,Wright Stewart M.¹²,Owens Tom¹²,Ouren Douglas S.¹²

Affiliation:

1. U.S. Geological Survey (USGS), Fort Collins, CO 80526-8118, USA.

2. USGS, Denver, CO 80225-0046, USA.

Abstract

Roads encroaching into undeveloped areas generally degrade ecological and watershed conditions and simultaneously provide access to natural resources, land parcels for development, and recreation. A metric of roadless space is needed for monitoring the balance between these ecological costs and societal benefits. We introduce a metric, roadless volume (RV), which is derived from the calculated distance to the nearest road. RV is useful and integrable over scales ranging from local to national. The 2.1 million cubic kilometers of RV in the conterminous United States are distributed with extreme inhomogeneity among its counties.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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