Small mammal research focus of Zoom event Feb. 18 Bath land trust to host talk by associate scientist for UMaine’s Center for Research on Sustainable Forests. Read Article Jack Witham, associate scientist for University of Maine’s Center for Research on Sustainable Forests, will talk about the roles of rodents and how their populations tell stories about forest health at 6 p.m. Thursday, Feb. 18, via Zoom, according to a news release from the Kennebec Estuary Land Trust in Bath. The talk, hosted by the land trust, will showcase the 35-plus years of small mammal research Witham has guided at Holt Research Forest in Arrowsic.