highly significantp < 0.0001
HI and CR were the most similar of the pairs ( p < 0.05, Z = 2.3); in comparison, the average SHB density in MX was much higher than the other two sites and the difference was highly significant ( p < 0.0001 for both sets of paired comparisons, and Z values of 4.19 for the HI-MX pair and 5.77 for the CR-MX pair). 3.2.