In the Cerrado — the largest and most plant-diverse savanna in the world — scientists have discovered that just 30 tree species account for almost half of the ecosystem’s trees.

The phenomenon is called “hyperdominance” and has major implications for the understanding and conservation of the Cerrado, a press release from University of Exeter said.

For the study, researchers from Brazil, the Netherlands and the United Kingdom drew upon data from more than 200 field plots, along with spatial modeling and satellite imagery.

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