A 1998 University of Maine study was cited in an article in the Portland Press HeraldĀ about the environment and wildlife, especially sandhill cranes, being negatively affected by speeding boats. Maggie Shannon, president of the Maine Congress of Lake Associations, cited the study that found a 1-meter decrease in water clarity is equal to a loss read more UMaine Study Cited in Press Herald Article on Threat to Sandhill Cranes