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Ernesto Medina, Juan F. Silva, Savannas of Northern South America: A Steady State Regulated by Water-Fire Interactions on a Background of Low Nutrient Availability, Journal of Biogeography, Vol. 17, No. 4/5, Savanna Ecology and Management: Australian Perspectives and Intercontinental Comparisons (Jul. - Sep., 1990), pp. 403-413
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Medina et al. (1990) studied this question.
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