Category Archives: Pennsylvania

Excessive Deer Populations Hurt Native Plant Biodiversity, Pitt-Led Study Says

Excessive Deer Populations Hurt Native Plant Biodiversity, Pitt-Led Study Says
University of Pittsburgh News, March 10, 2014

The study, initiated in 2003 at the Trillium Trail Nature Reserve in Fox Chapel, Pa., concludes that an overpopulation of deer (density of deer in the United States is about four to 10 times what it was prior to European settlement of North America) is the primary reason garlic mustard is crowding out native plants, such as trillium, which are preferred food for wild deer.