The Heinz Center's State of the Nation's Ecosystems
ecosystem: Freshwater
indicator Name: At-Risk Native Freshwater Species, by category (animals only)
page # in printed report: 144
location on page: upper
data source: NatureServe and its natural heritage member programs. Coverage: all 50 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 All Freshwater Species
  2000 Future
Extinct 3.9  
Critically imperiled 12.8  
Imperiled 7.8  
Vulnerable 10.8  
Total At-Risk 35.3