Which is a better predictor of plant traits : temperature or precipitation?
- Moles, Angela T
- Perkins, Sarah E
- Anand, Madhur
- Bahn, Michael
- Blonder, Benjamin
- Cavender-Bares, Jeannine
- Cornelissen, J. Hans C
- Cornwell, Will K
- Díaz, Sandra
- Dickie, John B
- Freschet, Grégoire T
- Griffiths, Joshua G
- Laffan, Shawn W
- Gutierrez, Alvaro G
- Hemmings, Frank A
- Hickler, Thomas
- Hitchcock, Timothy D
- Keighery, Matthew
- Kleyer, Michael
- Kurokawa, Hiroko
- Leishman, Michelle R
- Liu, Kenwin
- Niinemets, Ülo
- Flores-Moreno, Habacuc
- Onipchenko, Vladimir
- Onoda, Yusuke
- Penuelas, Josep
- Pillar, Valério D
- Reich, Peter B
- Shiodera, Satomi
- Siefert, Andrew
- Sosinski Jr., Enio E
- Soudzilovskaia, Nadejda A
- Swaine, Emily K
- Awasthy, Monica
- Swenson, Nathan G
- van Bodegom, Peter M
- Warman, Laura
- Weiher, Evan
- Wright, Ian J
- Zhang, Hongxiang
- Zobel, Martin
- Bonser, Stephen P
- Tindall, Marianne L
- Sack, Lawren
- Pitman, Andy
- Kattge, Jens
- Aarssen, Lonnie W
DOIAbstract
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 R² values for precipitation might reflect the weak link between mean an...
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