The density of sea urchins is inversely and significantly correlated with coral cover Spearman r = -0.59, n = 15, P < 0.05 and with the abundance of algae Spearman r = -0.53, n =15, P < 0.05, but directly correlated with the presence of rocks Spearman r = 0.53, n = 15, P < 0.05.
De manera individual, la densidad de erizos se correlacionó inversa y significativamente con la cobertura coralina r de Spearman = -0.59, n = 15, P < 0.05 y la abundancia de algas r de Spearman = -0.53, n = 15, P < 0.05, pero directamente con la presencia de rocas r de Spearman = 0.53, n = 15, P < 0.05.