High level indicators of fish population health:
– Abundance estimates
– Survival rates
– Population growth rates
– Proportionate natural influence
An archive of various stand-alone fish, habitat, water quality, research, and other data sets that don’t fit into our standard databases.
Maps and GIS Data
Data available via a map-based interface.
– Fish distribution
– Migration barriers
– Local-scale data also found via “Data Query”
– NPCC “Protected Areas”
– Hatcheries & ponds
– Fish passage infrastructure
– Fish traps
– PIT tag detection sites
– GIS layers
Habitat Evaluation Procedures (HEP)
The HEP data set is an accounting of habitat losses due to hydroelectric development, and habitat gains / protection funded by Bonneville Power Administration as mitigation. These web pages and searchable repository have most of the documents related to this survey effort.