University of Maine marine scientists will participate in a presentation about water quality trends in local estuaries 5:30–6:30 p.m. Thursday, Jan. 14 at Damariscotta River Association’s Round Top Farm, 3 Round Top Lane, Damariscotta. Darling Marine Center oceanographer Larry Mayer and researcher Kathleen Thornton will show how water is sampled and tested as well as read more DMC scientists to discuss water quality in estuaries