Table 1. C-score taxon occurrence analyses of ECM fungal communities in Plots 2 and 8.

See methods for details about datasets and null matrix type definitions.

Dataset	Plot	Null matrix type	C observed	C expected	P value	SES
All	2	Fixed–Fixed	173.2	173.8	0.00	−3.35
		Fixed-Equiprobable		188.1	0.00	−21.2
All	8	Fixed–Fixed	164.4	164.7	0.73	−0.75
		Fixed-Equiprobable		172.1	0.00	−11.8
Alnus	2	Fixed–Fixed	93.5	92.5	0.21	0.76
		Fixed-Equiprobable		106.7	0.04	−1.75
Alnus	8	Fixed–Fixed	103.1	103.2	0.47	−0.07
		Fixed-Equiprobable		114.5	0.04	−1.82
AlnusRootOnly	2	Fixed–Fixed	77.4	76.7	0.74	0.54
		Fixed-Equiprobable		82.5	0.27	−0.59
AlnusRootOnly	8	Fixed–Fixed	61.2	61.6	0.45	−0.26
		Fixed-Equiprobable		78.4	0.13	−1.15
AlnusMinusTop3	2	Fixed–Fixed	200.3	198.4	0.27	0.59
		Fixed-Equiprobable		228.25	0.04	−1.72
AlnusMinusTop3	8	Fixed–Fixed	178.7	179.3	0.47	−0.20
		Fixed-Equiprobable		198.6	0.03	−1.88
AlnusTomentellaOnly	2	Fixed–Fixed	61.6	62.6	0.77	−0.55
		Fixed-Equiprobable		88.7	0.02	−1.99
AlnusTomentellaOnly	8	Fixed–Fixed	108.3	107.6	0.64	0.31
		Fixed-Equiprobable		109.1	0.47	−0.09

Notes.

SES, Standardized Effect Size.