Is catchment imperviousness a good indicator of ecosystem health? (original) (raw)

Alliance For Global Sustainability Bookseries, 2007

Abstract

Reducing the impervious area (IA) of a watershed is becoming a common practice to mitigate the effects of urban runoff on the health of aquatic ecosystems. Yet, it is often argued that this approach is rather inefficient and it is debatable whether percentage IA targets can be applied to all urban environments, as local factors (e.g., soils, geology, terrain, and

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