Sacramento Bee: Making a living from the ocean is not for the faint of heart. Its comparable to farming the soil, in that weather, disease and market conditions can make or break your bottom line. Food production, whether farming on land or in water, is dependent upon a number of factors all working in sync to produce a healthy, resilient crop. If just one factor is off, it can ruin your whole harvest. A recently recognized threat to ocean health has the potential to do more than just inflict a bad year on shellfish...