SALT LAKE CITY – Many of Utah’s northern zone waterfowl hunts open on Saturday, Oct. 5, and hunters will be getting out on the water to harvest migrating geese and ducks. (The state’s southern zone waterfowl hunts open on Saturday, Oct. 12.) While they are prepared with decoys, dogs and ammunition, some hunters may not be as prepared to recognize and avoid harmful algal blooms and mats on some Utah waterbodies.