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Idaho Fish Sampling Sites

Status: Complete
Principal Investigator: Terry Maret

USGS scientist and technicians collecting fish samples
  Photo by USGS
The U.S. Geological Survey used fish communities as ecological indicators of water-quality in Idaho, Washington, Montana, and Wyoming. Biologists sampled a representative reach of a stream's fish, benthic invertebrate and algal communities and associated habitat using National Water-Quality Assessment (NAWQA) methods to assess the status and trends of the communities as they are related to water-quality and land use.