The phylogenetic signal of species co-occurrence in high-diversity shrublands: different patterns for fire-killed and fire-resistant species

Table 2 Slopes of quantile regressions for soil type preferences

Data subset	Plot size (ha)	d.f.	Calcium	Potassium	Phosphorus	Nitrate	pH	Organic matter	Silicon
all species pairs	0.04	417	10.86	−30.93	−0.53	−13.25*	−1.49***	−0.93	−24.37
	4	417	108.1	−68.25	−1.08	−16.56*	−2.25***	0.66	−81.15
resprouters only	0.04	46	134.8	−270.41*	−0.56	−18.45	−1.75	−4.35	−284.31
	4	46	228.11	−270.41	−0.97	−18.45	−1.75	−4.46	−361.93
reseeders only	0.04	172	110.19	−18.64	−0.7	2.72	−1.84	0.83	17.91
	4	172	62.91	−43.89	−1.3	−5.47	−2.49	1.04	−77.57
resprouters vs. reseeders	0.04	195	−83.04	−47.1	−0.49	−17.63*	−1.41*	−0.95	−36.73
	4	195	35.39	−94.18	−0.79	−30.97**	−2.5*	0.56	−88.83

Response variable is co-occurrence among species pairs. ***p ≤ 0.001; **p ≤ 0.01; *p ≤ 0.05; †p ≤#8201;0.1.

ISSN: 1472-6785