A day after fall shrimping season began in the Gulf of Mexico and the state of Alabama reopened coastal waters to fishing, a major environmental watchdog group called for more stringent testing of seafood. The National Resources Defense Council...ask[ed] the government agencies to: ensure that there is comprehensive monitoring of seafood contamination...ensure public disclosure of all seafood monitoring data and methods...[and] ensure that fishery re-opening criteria protect the most vulnerable populations, including children, pregnant women and subsistence fishing communities...Plankton and other organisms at the base of the food chain showed a "strong toxic response" to the crude, and the oil could resurface later, according to researchers. [refers to BP]