Microscopic view of Atlantic salmon eggs near hatching. By March, and the onset of Spring, Atlantic salmon eggs are well developed. The head, eyes, heart, fins, vertebrae and blood vessels can be seen. Hatching produces a "sac fry" which...
Environmental education; Equipment; Habitat restoration; Rivers and streams; Training; Water management;
Students attending the FIS3200 Stream Habitat Measurement Techniques course at the U.S. Fish and Wildlife Service's National Conservation Training Center, practice using a sight level for mapping profiles of various habitat features.
Environmental education; Equipment; Habitat restoration; Rivers and streams; Training; Water management;
Students attending the FIS3200 Stream Habitat Measurement Techniques course at the U.S. Fish and Wildlife Service's National Conservation Training Center, practice placing a tape measure for mapping stream reach longitudinal profile.
Environmental education; Equipment; Habitat restoration; Rivers and streams; Training; Water management;
Students attending the FIS3200 Stream Habitat Measurement Techniques course at the U.S. Fish and Wildlife Service's National Conservation Training Center, practice placing a tape measure for mapping stream reach longitudinal profile.
Environmental education; Equipment; Habitat restoration; Rivers and streams; Training; Water management;
Students attending the FIS3200 Stream Habitat Measurement Techniques course at the U.S. Fish and Wildlife Service's National Conservation Training Center, will practice using a laser level for mapping habitat feature profiles.
Environmental education; Equipment; Habitat restoration; Rivers and streams; Training; Water management;
Students attending the FIS3200 Stream Habitat Measurement Techniques course at the U.S. Fish and Wildlife Service's National Conservation Training Center, practice using a pocket rod at Sweet Run on the Blue Ridge Center for Environmental...
Environmental education; Equipment; Habitat restoration; Rivers and streams; Training; Water management;
Sweet Run on the Blue Ridge Center for Environmental Stewardship. Site visit for the FIS3200 Stream Habitat Measurement Techniques course at the U.S. Fish and Wildlife's National Conservation Training Center in Shepherdstown, WV.
Environmental education; Equipment; Habitat restoration; Rivers and streams; Training; Water management;
Sweet Run on the Blue Ridge Center for Environmental Stewardship. Site visit for the FIS3200 Stream Habitat Measurement Techniques course at the U.S. Fish and Wildlife's National Conservation Training Center in Shepherdstown, WV.
Environmental education; Equipment; Habitat restoration; Rivers and streams; Training; Water management;
Students attending the FIS3200 Stream Habitat Measurement Techniques course at the U.S. Fish and Wildlife Service's National Conservation Training Center, practice using a surveyor's rod for mapping profiles of various habitat features.
Environmental Sciences; Chemical spills; Contaminants; Environmental quality; Human impacts; Industries; Mineral industry; Mining; Pollutants; Pollution, Water; Rivers and streams; Water pollution;
Videographer recording effects of acid mine runoff in stream in Preston County, West Virginia.
Atlantic salmon spend the first two years of life in the fresh water habitats of their native stream (occasionally three, depending upon food availability). At two years of age, the fish undergo the process of smoltification, resulting in changes...
Kevin Duffy, a fisheries technician for dam owner Avista, uses a radio antenna to track tagged bull trout in a stream that feeds into Noxon Reservoir. Biologists track a handful of tagged fish daily to try and learn about their migratory movements,...