The oil spill at BP's refinery in Whiting, Ind., is unlikely to have any "significant, long-term impacts" on the environment because of the severe winter, said Philip Willink, senior research biologist at the Shedd Aquarium in Chicago. The direction of the wind at the time of the spill, the timing of the incident and the cold temperature of the water helped reduce the environmental effect, Willink said. "When it is cold, the fish go deeper into the water where it is more stable. Because we had such a harsh and brutal winter, the fish are still in deep water. We kind of got lucky that there were no fish to impact," he said.

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