Portnoy DA, McDowell JR, McCandless C, Musick JA, Graves JE 2009 Effective size closely approximates the census size in the heavily exploited western Atlantic population of the sandbar shark, Carcharhinus plumbeus Conserv Genet 10(6): 1697-1705 McCandless Camilla T Division Population & Ecosystem Monitoring & Analysis PEMAD Population Biology Apex Predators Primary Journal Article Primary publication