Which is a better predictor of plant traits: temperature or precipitation?
Question: Are plant traits more closely correlated with mean annual temperature, or with mean annual precipitation? Location: Global. Methods: We quantified the strength of the relationships between temperature and precipitation and 21 plant traits from 447,961 species-site combinations worldwide. We used meta-analysis to provide an overall answer to our question. Results: Mean annual temperature was significantly more strongly correlated with plant traits than was mean annual precipitation. Conclusions: Our study provides support for some of the assumptions of classical vegetation theory, and points to many interesting directions for future research. The relatively low R-2 values for precipitation might reflect the weak link between mean annual precipitation and the availability of water to plants.
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|Which is a better predictor of plant traits: temperature or precipitation?
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|Which is a better predictor of plant traits: Temperature or precipitation?
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|JOURNAL OF VEGETATION SCIENCE
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