Spring-run redd monitoring.jpeg

Photo By/Credit

Geoffrey Steinhart/USFWS

Media Usage Rights/License
Public Domain
Image
Fisheries technician Andreas Raisch of the Lodi Fish and Wildlife Office maneuvers a boat through the San Joaquin River during a search for spring-run Chinook salmon redds, or nests, to monitor spawning activity.
Subject tags
Anadromous fish
Rivers and streams