Fig. 1: Two hypotheses of leaf N and P stoichiometry variations expressed in a trait gradient analysis. | Nature Communications

Fig. 1: Two hypotheses of leaf N and P stoichiometry variations expressed in a trait gradient analysis.

From: Environmental versus phylogenetic controls on leaf nitrogen and phosphorous concentrations in vascular plants

Fig. 1

a, b Indicate the Biogeochemical Niche Hypothesis and Stoichiometric plasticity, respectively. Each colored line represents species-specific linear regressions of a species’ leaf N (P or N:P) vs the mean leaf N (P or N:P) across all species occurring at the respective site.

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