Elevated Nitrogen and Phosphorus Levels Suggest High Metabolic Demands in Himalayan High-Elevation Plants.

For leaf C:N, although the global Elevation smooth was nominally significant ( p = 0.032; see Figure 2h and Table 2 ; Table S5 ), the term was effectively shrunk to zero (edf ≈ 0), indicating a negligible elevational effect on leaf C:N across species.

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