Table 8. Ecological indices calculated for each core (0.5 mm mesh sieve) from spring and fall 2006 sampling periods based on density data. S = # species N = # individuals, d = Margalef's evenness, J' = Pielou's evenness, Brillouin = Brillouin diversity, Fisher = Fisher diversity, H' = Shannon/Weaver diversity, 1-Lambda' = Simpson's diversity.