Water. Oil pales beside it, and the value of the land itself is measured by it.
Bluefin tuna spawn just south of the oil spill and they spawn only in the Gulf. If they were to go through the area at a critical time, that's one instance where a plume could destroy a whole species.
A lot of fishermen are telling us they like things the way they are. They aren't pushing for the change. It's part of the conservation ethic that coastal fishermen have developed.
