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A Test Of Simple Ledges For Facilitating Mammal Passage Through Inundated Culverts, Amy Kelley

Honors Theses

Culverts under roadways can provide safe crossings for many animal species and are readily available, numbering over 12 million in the United States. In this pre and post construction study, I added a simple wooden ledge to 7 culverts in Saratoga County, New York to investigate their effect on wildlife crossings. A motion sensor camera was used to monitor each culvert for 2 consecutive summers, 2012 summer without a ledge and 2013 with a ledge. Six species of small mammals accounted for the 55 culvert crossings in 2012 and 58 crossings in 2013. The ledges did not increase culvert crossings …