The Heinz Center's State of the Nation's Ecosystems
ecosystem: Freshwater
indicator Name: Altered Freshwater Ecosystems: Altered riparian areas
page # in printed report: 140
location on page: na
data source: Multi-Resolution Land Characterization (MRLC) Consortium and USGS National Hydrography Dataset, processed by U.S. EPA National Exposure Research Laboratory. Coverage: lower 48 states.
notes: please see technical notes for further details on accessing these data from their original source this data table comes from a specific graphic in The State of the Nation's Ecosystems report (www.heinzctr.org/ecosystems)

units: % of stream miles
year % of stream miles
1992 22.93