How impervious cover impacts stream ecosystems – and what we can do about it

Impervious cover associated with roadways, parking lots, sidewalks, and rooftops feels necessary for the needs of people in the built environment but can destroy the ecological integrity of the receiving streams that must accommodate all the associated runoff. Stream or river health is closely linked to land-use activities and pollutant management practices (or lack thereof) in the catchment upstream, which is one of the reasons why Low Impact Development and Green Infrastructure are so important to protecting or restoring streams and rivers around the world.

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