Biodiversity improves water quality in streams through a division of labour

Science Centric: Biologically diverse streams are better at cleaning up pollutants than less rich waterways, and Bradley Cardinale, an assistant professor at the U-M School of Natural Resources and Environment, says he has uncovered the long-sought mechanism that explains why this is so. Cardinale reports his findings in the 7 April edition of the journal Nature. He used 150 miniature model streams, which use recirculating water in flumes to mimic the variety of flow conditions found in natural streams. He grew......

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