A study by the Ocean Wildlife Campaign urged states to undertake a number of remedies to reverse a decline in the shark population, which includes the establishment of size limits for shark catches, closing state waters for shark fishing during pupping season, and requiring commercial fishers to have federal shark permits.

• Awhich includes the establishment of size limits for shark catches, closing  
• Bwhich includes establishing limits to the size of sharks that can be caught, closing  
• Cwhich include the establishment of size limits for shark catches, the closing of  
• Dincluding establishing size limits for shark catches, closing  
• Eincluding the establishing of limits to the size of sharks that are caught, the closing of