Browsing by Author "Ament, Robert"

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Valuing Wildlife Crossings and Enhancements for Mitigation Credits
(National Academy of Sciences, 2020-01) Samanns, Edward; Baigas, Phil; Ament, Robert; Huijser, Marcel
This report summarizes the activities conducted as part of National Cooperative Highway Research Program (NCHRP) 25-25, Task 117, Valuing Wildlife Crossing and Enhancements for Mitigation Credits. Mitigation crediting could provide a valuation approach that state DOTs could use to promote the construction of wildlife crossings and other enhancements to mitigate transportation project impacts. The two objectives of this research are to: • Collect and synthesize current information on valuation methods, metrics, criteria for credit development, and crediting mechanisms used by state DOTs and their partners for calculating and applying mitigation and advance mitigation credits for wildlife connectivity improvements. • Identify existing and potential quantitative methods and approaches for establishing the mitigation values of wildlife overpasses, underpasses, bridges, and culverts for habitat connectivity, and how that value is translated to mitigation credits. The full report can be found at: http://www.trb.org/Main/Blurbs/180347.aspx
West-Wide Study to Identify Important Highway Locations for Wildlife Crossings
(Western Transportation Institute, 2023-06) Paul, Kylie; Faselt, Jamie; Bell, Matthew; Huijser, Marcel P.; Theobald, David; Keeley, Annika; Ament, Robert
Wildlife-vehicle collisions (WVCs), reduced ecological connectivity, and associated impacts to wildlife and humans are widespread problems across road networks, but mitigation measures like wildlife crossings1 that can address those problems are often considered expensive. This effort aims to support transportation agencies, wildlife agencies and other decision-makers by identifying important road segments where cost-effective wildlife crossings can be deployed to address motorist safety, ecological connectivity and other conservation values across the eleven U.S. western conterminous states of Arizona, California, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, Utah, Washington, and Wyoming.