Table 2.

Model selection statistics for pathogen richness in the hosts’ introduced range. All models also included sampling effort (log-transformed citation count) as an explanatory variable

Biological explanatory variables	Historic and geographic explanatory variables	K	Log-likelihood	QAICc	ΔQAICc	Akaike weight
–	Use, area, time	6	−99.88	123.6	0	0.217
Stress	Use, area, time	7	−97.86	123.6	0.005	0.216
Leaf type	Use, area, time	7	−98.64	124.4	0.873	0.140
Stress, leaf type	Use, area, time	8	−96.66	124.5	0.955	0.134
Stress, height	Use, area, time	8	−97.25	125.2	1.61	0.097
Height	Use, area, time	7	−99.68	125.6	2.03	0.079
Stress, height, leaf type	Use, area, time	9	−95.87	126.0	2.41	0.065
Height, leaf type	Use, area, time	8	−98.34	126.4	2.82	0.053
Stress, height, leaf type	Use, area	8	−112.1	141.7	18.1	<0.001
Stress, height, leaf type	Use, time	8	−114.2	144.0	20.4	<0.001
Stress, height, leaf type	Area, time	8	−120.4	150.9	27.3	<0.001
Stress, height, leaf type	Use	7	−124.8	153.4	29.9	<0.001
Stress, height, leaf type	Area	7	−127.0	156.0	32.4	<0.001
Stress, height, leaf type	Time	7	−139.4	169.7	46.1	<0.001
Stress, height, leaf type	–	6	−143.1	171.6	48.0	<0.001

QAIC_c, quasi-likelihood information criterion.