The impact of soil warming on fine root trait responses of trees, deciduous vs. coniferous: a meta-analysis

Figures & Tables

Fine root traits	Moderator variables	Tree species	Covariate	Coefficient	Standard Error	95% Lower	95% Upper	Z-value	Two-tailed P-value	R²
FRB	Warming magnitude	Overall	Intercept	2.13	0.581	0.99	3.27	3.67	0.00	0.28
		Overall	Warming magnitude	-0.53	0.178	-0.87	-0.18	-2.99	0.00	0.28
		Coniferous	Intercept	3.21	0.796	1.64	4.77	4.03	0.00	0.56
		Coniferous	Warming magnitude	-0.84	0.235	-1.30	-0.38	-3.59	0.00	0.56
		Deciduous	Intercept	1.02	0.733	-0.41	2.46	1.40	0.16	0.01
		Deciduous	Warming magnitude	-0.11	0.255	-0.61	0.38	-0.44	0.66	0.01
	Soil depth	Overall	Intercept	-0.00	0.58	-1.16	1.14	-0.01	0.98	0.07
		Overall	Soil depth	0.05	0.04	-0.02	0.13	1.38	0.16	0.07
		Coniferous	Intercept	0.21	0.96	-1.67	2.10	0.22	0.82	0.08
		Coniferous	Soil depth	0.05	0.05	-0.06	0.16	0.85	0.39	0.08
		Deciduous	Intercept	-0.34	0.93	-2.18	1.49	-0.37	0.71	0.20
		Deciduous	Soil depth	0.12	0.09	-0.06	0.32	1.28	0.20	0.20
SRA	Warming magnitude	Overall	Intercept	-1.06	1.78	-4.55	2.42	-0.60	0.54	0.42
	Warming magnitude		Warming magnitude	0.73	0.46	-0.18	1.64	1.57	0.11	0.42
	Soil depth		Intercept	-1.03	1.36	-3.70	1.63	-0.76	0.44	0.65
	Soil depth		Soil depth	0.14	0.07	0.00	0.29	1.99	0.04	0.65
SRL	Warming magnitude	Overall	Intercept	-1.06	1.78	-4.55	2.42	-0.60	0.54	0.42
	Warming magnitude		Warming magnitude	0.73	0.46	-0.18	1.64	1.57	0.11	0.42
	Soil depth		Intercept	-1.03	1.36	-3.70	1.63	-0.76	0.44	0.65
	Soil depth		Intercept	0.14	0.07	0.00	0.29	1.99	0.04	0.65
D	Warming magnitude	Overall	Intercept	0.49	0.51	-0.52	1.50	0.95	0.34	1.00
	Warming magnitude		Warming magnitude	-0.13	0.06	-0.25	-0.00	-2.06	0.03	1.00
	Soil depth		Intercept	-2.82	0.95	-4.68	-0.95	-2.97	0.00	1.00
	Soil depth		Soil depth	0.16	0.05	0.04	0.27	2.77	0.00	1.00