Average value of the median grain size (A) and sorting coefficient (B) measured
in seagrass-vegetated and nonvegetated areas in 2001 (01), 2005 (05), and 2006 (06)
at 2 sites (K2 and K3) in Kuraburi. Bars denote standard deviation of the mean. Unlike
letters denote pairs of years with significant differences by post-hoc comparisons.