sentences:  Sensing the danger of overfishing tanner crab to the point of extinction, legislators and fisheries managers closed tanner crab fishing entirely in 1986 and 1987.Policy adjustments were made to limit the catch, but the fishery was closed again in 1997 due to a very poor harvest in 1996.In the mid-2000s fisheries managers introduced a "Crab Rationalization Program" based on similar programs in the North Atlantic and New Zealand.