Geological Survey Weighs Urban Impacts On Streams, Cites Regional Variations

摘要

Degradation in the conditions of organisms that live in streams begins at the earliest stages of urban development, according to a new report by the U.S. Geological Survey. As such, urban development to any extent affects biological communities found in natural streams, according to the report, Effects of Urban Development on Stream Ecosystems in Nine Metropolitan Study Areas Across the United States.