A global meta-analysis of the relative extent of intraspecific trait variation in plant communities. Siefert, A., Violle, C., Chalmandrier, L., Albert, C. H., Taudiere, A., Fajardo, A., Aarssen, L. W., Baraloto, C., Carlucci, M. B., Cianciaruso, M. V., de L. Dantas, V., de Bello, F., Duarte, L. D. S., Fonseca, C. R., Freschet, G. T., Gaucherand, S., Gross, N., Hikosaka, K., Jackson, B., Jung, V., Kamiyama, C., Katabuchi, M., Kembel, S. W., Kichenin, E., Kraft, N. J. B., Lagerström, A., Bagousse-Pinguet, Y. L., Li, Y., Mason, N., Messier, J., Nakashizuka, T., Overton, J. M., Peltzer, D. A., Pérez-Ramos, I. M., Pillar, V. D., Prentice, H. C., Richardson, S., Sasaki, T., Schamp, B. S., Schöb, C., Shipley, B., Sundqvist, M., Sykes, M. T., Vandewalle, M., & Wardle, D. A. Ecology Letters, 18(12):1406–1419, December, 2015.
A global meta-analysis of the relative extent of intraspecific trait variation in plant communities [link]Paper  doi  abstract   bibtex   
Recent studies have shown that accounting for intraspecific trait variation (ITV) may better address major questions in community ecology. However, a general picture of the relative extent of ITV compared to interspecific trait variation in plant communities is still missing. Here, we conducted a meta-analysis of the relative extent of ITV within and among plant communities worldwide, using a data set encompassing 629 communities (plots) and 36 functional traits. Overall, ITV accounted for 25% of the total trait variation within communities and 32% of the total trait variation among communities on average. The relative extent of ITV tended to be greater for whole-plant (e.g. plant height) vs. organ-level traits and for leaf chemical (e.g. leaf N and P concentration) vs. leaf morphological (e.g. leaf area and thickness) traits. The relative amount of ITV decreased with increasing species richness and spatial extent, but did not vary with plant growth form or climate. These results highlight global patterns in the relative importance of ITV in plant communities, providing practical guidelines for when researchers should include ITV in trait-based community and ecosystem studies.
@article{siefert_global_2015,
	title = {A global meta-analysis of the relative extent of intraspecific trait variation in plant communities},
	volume = {18},
	issn = {1461-0248},
	url = {http://onlinelibrary.wiley.com/doi/10.1111/ele.12508/abstract},
	doi = {10.1111/ele.12508},
	abstract = {Recent studies have shown that accounting for intraspecific trait variation (ITV) may better address major questions in community ecology. However, a general picture of the relative extent of ITV compared to interspecific trait variation in plant communities is still missing. Here, we conducted a meta-analysis of the relative extent of ITV within and among plant communities worldwide, using a data set encompassing 629 communities (plots) and 36 functional traits. Overall, ITV accounted for 25\% of the total trait variation within communities and 32\% of the total trait variation among communities on average. The relative extent of ITV tended to be greater for whole-plant (e.g. plant height) vs. organ-level traits and for leaf chemical (e.g. leaf N and P concentration) vs. leaf morphological (e.g. leaf area and thickness) traits. The relative amount of ITV decreased with increasing species richness and spatial extent, but did not vary with plant growth form or climate. These results highlight global patterns in the relative importance of ITV in plant communities, providing practical guidelines for when researchers should include ITV in trait-based community and ecosystem studies.},
	language = {en},
	number = {12},
	urldate = {2017-02-10},
	journal = {Ecology Letters},
	author = {Siefert, Andrew and Violle, Cyrille and Chalmandrier, Loïc and Albert, Cécile H. and Taudiere, Adrien and Fajardo, Alex and Aarssen, Lonnie W. and Baraloto, Christopher and Carlucci, Marcos B. and Cianciaruso, Marcus V. and de L. Dantas, Vinícius and de Bello, Francesco and Duarte, Leandro D. S. and Fonseca, Carlos R. and Freschet, Grégoire T. and Gaucherand, Stéphanie and Gross, Nicolas and Hikosaka, Kouki and Jackson, Benjamin and Jung, Vincent and Kamiyama, Chiho and Katabuchi, Masatoshi and Kembel, Steven W. and Kichenin, Emilie and Kraft, Nathan J. B. and Lagerström, Anna and Bagousse-Pinguet, Yoann Le and Li, Yuanzhi and Mason, Norman and Messier, Julie and Nakashizuka, Tohru and Overton, Jacob McC. and Peltzer, Duane A. and Pérez-Ramos, I. M. and Pillar, Valério D. and Prentice, Honor C. and Richardson, Sarah and Sasaki, Takehiro and Schamp, Brandon S. and Schöb, Christian and Shipley, Bill and Sundqvist, Maja and Sykes, Martin T. and Vandewalle, Marie and Wardle, David A.},
	month = dec,
	year = {2015},
	keywords = {\#nosource, community ecology, functional diversity, interspecific variation, intraspecific variability, leaf trait, plant functional trait, trait-based ecology},
	pages = {1406--1419},
}

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