About a hundred miles north of Miami on the Atlantic Coast, the town of Stuart is a picturesque waterfront community — with homes, restaurants and parks overlooking the St. Lucie Estuary. But in many areas now, when you approach the water, the first thing you notice is the smell."There's no way to describe it," says John Skinner, a boat salesman in Stuart.But he still tries. "I would say hundreds of dead animals that have been baking in the sun for weeks."