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Wildlife crossing guards

Adult four-toed salamanders, Hemidactylium scutatum, are among the at-risk species living on the Oak Ridge Reservation. Scientists and facility managers worked together to create a framework that recommends cost-effective solutions to protect habitats for the salamander and other fish and wildlife. Credit: Bryce Wade/ORNL, U.S. Dept. of Energy

Oak Ridge National Laboratory researchers developed a model framework that identifies ways to ensure wildlife can safely navigate their habitats while not unduly affecting infrastructure.

The project centered on the 32,000-acre Oak Ridge Reservation in Tennessee, home to Department of Energy facilities and several at-risk species like the four-toed salamander.

Scientists like conservation buffers and open-bottom culverts to allow safe passage for salamanders and other wildlife, which cost far less than large-scale barrier removal and similarly boost ecological connectivity.

ā€œDevelopment and environmental sustainability don’t have to be at odds,ā€ said ORNL’s Evin Carter. ā€œOur collaborative approach with project managers and engineers shows wildlife management can be an integral part of land-use planning without introducing undue cost or delays.ā€

ORNL doctoral student Bryce Wade said the model also benefited from 30 years of high-resolution data available because of the reservation’s history and management as a . ā€” Stephanie Seay