Efforts to introduce non-native oyster species to the Chesapeake Bay and the National Research Council's report titled "Non-Native Oysters in the Chesapeake Bay" : oversight field hearing before the Subcommittee on Fisheries Conservation, Wildlife and Oceans of the Committee on Resources, U.S. House of Representatives, One Hundred Eighth Congress, first session, Tuesday, October 14, 2003, in Annapolis, Maryland.