Global pattern of leaf litter nitrogen and phosphorus in woody plants

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Appendix S3-I

Regression models for the relationships of leaf litter N (y_N), P (y_P) and N:P (y_N:P) against MAT (x) (corresponding scatter plots are seen in Fig. 4).

Figures	Equations	r ²	p	n

	All species
Fig. 4A	y_N = 7.284 + 0.263x	0.093	<0.001	677
Fig. 4B	y_P = 0.934 - 0.006x	0.004	0.192	482
Fig. 4C	y_N:P = 11.577 + 0.431x	0.088	<0.001	482
	Shrubs
Fig. 4D	y_N = 12.063 - 0.127x	0.023	0.248	61
Fig. 4E	y_P = 1.444 - 0.034x	0.126	0.021	42
Fig. 4F	y_N:P = 15.937 - 0.961x + 0.050x²	0.236	0.005	42
	Evergreen broadleaf
Fig. 4G	y_N = 7.017 + 0.277x	0.076	<0.001	176
Fig. 4H	y_P = 0.685 + 0.008x	0.003	0.532	141
Fig. 4I	y_N:P = 17.050 + 0.179x	0.008	0.298	141
	Deciduous broadleaf
Fig. 4J	y_N = 9.671 + 0.186x	0.036	0.001	306
Fig. 4K	y_P = 1.256 - 0.046x + 0.001x²	0.032	0.023	234
Fig. 4L	y_N:P = 11.736 + 0.466x	0.090	<0.001	234
	Conifers
Fig. 4M	y_N = 3.486 + 0.357x	0.274	<0.001	134
Fig. 4N	y_P = 0.590 + 0.003x	0.002	0.707	65
Fig. 4O	y_N:P = 10.245 + 0.407x	0.188	<0.001	65