Road ecology blog: Plastic corrugated pipe (6 inches diameter) staked in ground with rebar, Fisherman Island National Wildlife Refuge, Virginia. The pipe is designed as a barrier to keep Northern diamondback terrapins (Malaclemys terrapin terrapin) turtles off the highway. The plastic tubing was staked into the ground with rebar. Small scale trials with captive animals showed the barrier to be effective. However, a large scale field application did not measurably reduce turtle roadkill, probably because of implementation and maintenance problems which I will discuss in the coming blog posts.

Plastic corrugated pipe designed as a barrier to keep Northern dPlastic corrugated pipe (6 inches diameter) staked in ground with rebar, Fisherman Island National Wildlife Refuge, Virginia. The pipe is designed as a barrier to keep Northern diamondback terrapins (Malaclemys terrapin terrapin) turtles off the highway. Plastic corrugated pipe designed as a barrier to keep Northern dPlastic corrugated pipe (6 inches diameter) staked in ground with rebar, Fisherman Island National Wildlife Refuge, Virginia. The pipe is designed as a barrier to keep Northern diamondback terrapins (Malaclemys terrapin terrapin) turtles off the highway. Rebar used to stake plastic corrugated pipe, Fisherman Island NaRebar used to stake plastic corrugated pipe, Fisherman Island National Wildlife Refuge, Virginia. The pipe is designed as a barrier to keep Northern diamondback terrapins (Malaclemys terrapin terrapin) off the highway. Plastic corrugated pipe designed as a barrier to keep Northern dPlastic corrugated pipe (6 inches diameter) staked in ground with rebar, Fisherman Island National Wildlife Refuge, Virginia. The pipe is designed as a barrier to keep Northern diamondback terrapins (Malaclemys terrapin terrapin) turtles off the highway. Note that this is the end of the barrier as it angles away from the highway Plastic corrugated pipe designed as a barrier to keep Northern dPlastic corrugated pipe (6 inches diameter) staked in ground with rebar, Fisherman Island National Wildlife Refuge, Virginia. The pipe is designed as a barrier to keep Northern diamondback terrapins (Malaclemys terrapin terrapin) turtles off the highway.

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Click here for images of wildlife underpasses.

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