“These impacts will cascade through the food web and eventually effect the larger species at the top of the food chain like marine mammal and birds, but we don’t really know how it will happen,” said Phil Dustan, College of Charleston biology professor, who has urged boaters to get involved.

http://www.postandcourier.com/news/2010/jun/07/sc-boaters-to-watch-for-first-signs-of-spill/