Response of Arbuscular Mycorrhizal Fungi to Hydrologic Gradients in the Rhizosphere of Phragmites australis (Cav.) Trin ex. Steudel Growing in the Sun Island Wetland

Table 2

Coefficients of Pearson’s correlations between the characteristics of arbuscular mycorrhizal fungi colonization and the rhizosphere soil physicochemical properties of Phragmites australis (MC: moisture content; OM: organic matter; OC: organic carbon).

	pH	MC; (%)	OM; (%)	OC; (%)	N; (mg kg^−1)	P; (mg kg^−1)	S; (mg kg^−1)	K; (mg kg^−1)	Ca; (mg kg^−1)	Mg; (mg kg^−1)
SIW1	8.23	28.13	15.73	13551	957	413.3	396.7	20523	12145	992
SIW2	8.26	20.87	16.69	15327	1065	432.1	287.9	22367	14003	1132
SIW3	8.28	12.52	12.24	18256	1193	481.2	271.1	23579	13795	1171
AIW1	7.69	27.51	13.52	11095	836	262.9	357.3	19333	8753	1272
AIW2	7.71	23.01	13.75	12337	893	331.9	230.1	20471	8886	1333
AIW3	7.76	11.05	11.86	14511	997	396.7	219.9	23451	11795	1354
Hyphae	ns	**	ns	ns	ns	ns	ns	ns	ns	ns
Vesicles	ns	**	ns	ns	ns	ns	ns	ns	ns	ns
Arbuscules	−^**	ns	ns	ns	ns	ns	ns	ns	−^*	ns
Frequency	ns	**	ns	−^*	−^*	−^*	ns	−^*	ns	ns
Intensity	ns	ns	ns	−^*	−^*	−^*	ns	−^*	−^*	ns

ns: no significant correlation at the 0.05 level (2-tailed).
^*Correlation is significant at the 0.05 level (2-tailed).
^**Correlation is significant at the 0.01 level (2-tailed).