Table 1. Pearson's correlations between TP and P fractions in the surface sediments (n = 27, p<0.05).

	TP	IP	OP	NaOH-P	HCl-P
TP	1
IP	0.89	1
OP	0.55	0.13	1
NaOH-P	0.87	0.99	0.09	1
HCl-P	0.90	0.96	0.23	0.93	1