	Ca²⁺	K⁺	Mg²⁺	Na⁺	DOC	${NO}_{3}^{-}$	${NH}_{4}^{+}$	TN	TP	PP	DIP
Ca²⁺	1	−0.159	0.693^**	0.704^**	0.150	0.516^*	0.281	0.433^*	−0.042	−0.079	0.114
K⁺	0.830^**	1	−0.146	−0.159	0.124	−0.039	−0.115	0.109	0.049	0.122	0.115
Mg²⁺	0.776^*	0.540	1	0.544^**	−0.034	0.694^**	0.168	0.372	0.073	−0.010	0.263
Na⁺	0.916^**	0.674^*	0.897^**	1	0.381	0.561^**	0.346	0.476^*	0.070	−0.011	0.134
DOC	0.610	0.698^*	0.177	0.449	1	−0.051	0.560^**	0.695^**	0.706^**	0.717^**	0.635^**
${NO}_{3}^{-}$	0.234	−0.112	0.704^*	0.456	−0.153	1	0.278	0.391	0.074	−0.020	−0.068
${NH}_{4}^{+}$	0.529	0.234	0.704^*	0.774^*	0.263	0.646	1	0.866^**	0.632^**	0.666^**	0.502^*
TN	0.502	0.276	0.614	0.722^*	0.376	0.588	0.960^**	1	0.763^**	0.747^**	0.713^**
TP	0.487	0.385	0.484	0.589	0.531	0.478	0.779^*	0.910^**	1	0.952^**	0.720^**
PP	0.646	0.331	0.766^*	0.775^*	0.404	0.777^*	0.869^**	0.884^**	0.840^**	1	0.675^**
DIP	0.746^*	0.587	0.736^*	0.864^**	0.654	0.488	0.865^**	0.891^**	0.838^**	0.865^**	1