| The Heinz Center's State of the Nation's
Ecosystems |
| ecosystem: |
Forests |
| indicator Name: |
Nitrate in Streams |
| page # in printed report: |
122 |
| location on page: |
upper |
| data source: |
Data Source: USGS National Water Quality Assessment.
Coverage: lower 48 states. Each sampling area was sampled intensively
for approximately 2 years during 1992-1998. |
| 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) |