PHOTOS: Winter Tree ID walk at Thorn Preserve
Tree expert Vern Rist, right, led a Winter Tree ID and Ecology Walk Saturday morning, Dec. 19, 2020 at the Catskill Center's Thorn Preserve in Woodstock with retired ecology professor Peter Koch, third from left. Several people used snow shoes or cross country skis, as well as hiking to get around the 60-acre preserve where participants studied how to distinguish different trees from others, the impact of diseases and measures being taken to protect them, to name a few. The preserve, which is operated in partnership with the Catskill Center and the Woodstock Land Conservancy, is located at 55...