Which of the following statements about the Closing of the "recreational fishery" is supported by the passage? A. It was a measure taken in response to the invasion of the area by rock lobsters. B. It had unintended effects on the region's population of sea urchins. C. It was enacted after the banning of commercial fishing in the region. D. It did not stem the decline of abalone in the region. E. It had a short-lived effect on the area's abalone population.