(University of Illinois at Urbana-Champaign) Ancient animal herders added to the ecological richness and diversity of the African savanna thousands of years ago -- an effect that persists to the present day, a new study finds. The herders' practice of penning their cattle, goats and sheep at night created nutrient-rich grassy glades that still attract wildlife and have increased habitat diversity in the region, researchers report in the journal Nature.
from EurekAlert! - Archaeology https://ift.tt/2POqFif
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