Community Structure and Biodiversity of Soil Ciliates at Dongzhaigang Mangrove Forest in Hainan Island, China

Table 5

Correlation of ciliate abundance (ind. g⁻¹)) with soil physical/chemical properties in fresh samples.

	Factors	Correlation	Formulas of stepwise regression	𝑅^2	𝑃 value
Physical factors	pH (pH)	−^a1^b	𝐴𝑏=43122.15−5927.667𝑝	0.934	.002
	Soil moisture (SM)	+2	𝐴𝑏=−7286.268+442.911𝑆𝑀	0.922	.002
	Salinity (S)	+3	/^c	/	>.05
Chemical factors	OM (OM)	+3	𝐴𝑏=3162.637+71.091𝑂𝑀	0.946	.001
	TN (TN)	+1	𝐴𝑏=−11879.4+2170.297𝑇𝑁+26775.13𝑇𝑃	0.979	.002
	TP (TP)	+2			.012
	SO4^2− (SO)	+4	𝐴𝑏=1634.473+2300.289𝑆𝑂	0.918	.003
	TK (TK)	−5	𝐴𝑏=73563.27−5390.347𝑇𝐾	0.701	.038

^a+ means positive correlation; − means negative correlation.
^bCorrelation degree (1 means the largest effect on ciliates abundance, followed 2, 3, in sequence).
/^c, no data.