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 3

Coefficients of Pearson’s correlations between the characteristics of arbuscular mycorrhizal fungi colonization and the characteristics of the rhizospheric microbial community of Phragmites australis. ((): Shannon-Weaver diversity index; (): Shannon-Weaver richness index; B: bacteria; A: actinomycetes; F: fungi).

	Genetic characteristics				Metabolic characteristics
	()-B	()-F	()-B	()-F	AWCD	()	()
SIW1	3.2	2.91	25	19	0.64	2.62	3.2
SIW2	3.45	3.06	32	22	0.67	2.89	3.45
SIW3	3.46	3.1	32	23	0.65	2.73	3.46
AIW1	2.98	2.18	20	9	0.57	2.29	2.98
AIW2	3.08	2.47	22	12	0.63	2.55	3.08
Hyphae	ns	ns	ns	ns	ns	ns	ns
Vesicles	ns	ns	ns	ns	ns	ns	ns
Arbuscules	−^**	−^*	−^**	−^*	−^*	−^*	−^*
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).