@article{flombaum_higher_2008,
	title = {Higher effect of plant species diversity on productivity in natural than artificial ecosystems},
	volume = {105},
	journal = {Proceedings of the National Academy of Sciences},
	author = {Flombaum, P. and {O.E. Sala}},
	year = {2008},
	keywords = {JRN, resource partitioning}
}