@article {50206,
	title = {Higher effect of plant species diversity on productivity in natural than artificial ecosystems},
	journal = {Proceedings of the National Academy of Sciences},
	volume = {105},
	year = {2008},
	note = {//OTHER//OTHER//entered 06/02/2008 per DEP},
	month = {2008},
	pages = {6087-6090},
	keywords = {article, biodiversity, plant, carbon cycle, ecosystem, artificial, ecosystem, natural, journal, Patagonian steppe, resource partitioning},
	author = {P. Flombaum and O. E. Sala}
}
