Local adaptation to climate inferred from intraspecific variation in plant functional traits along a latitudinal gradient.

Additionally, there was a decreasing trend for both these traits across monthly sampling (photosynthesis: F 2,171 = 17.1, P < 0.001; conductance: F 2,167 = 33.1, P < 0.001; Fig. 3a ).

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Marginal significance of individual explanatory variables was established through 999 permutations using the anova.cca function in the ‘ vegan ’ statistical package ( Oksanen et al. , 2007 ).

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