Earthworms build huge mounds dotting tropical wetlands in South America

Friday, May 13, 2016 - 08:31 in Earth & Climate

Earthworms are the engineers behind the 75,000 km2, densely packed, regularly spaced, and mound-patterned landscapes, called surales, in the South American seasonal tropical wetlands, according to a study published May 11, 2016 in the open-access journal PLOS ONE by Anne Zangerlé from Technische Universität Braunschweig, Germany, Delphine Renard from McGill University, Canada, and colleagues.

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