Depletion boat electrofishing

by Brandon Peoples   Boat electrofishing is one of the most effective methods of sampling fishes in lakes and non-wadeable rivers. Depletion boat electrofishing involves conducting several electrofishing passes while retaining fish after each pass. Hopefully, workers will capture consistently less fish in each pass. Depletion electrofishing allows biologists to perform quantitative population estimates, rather…

Playing the Role of a Fish Biologist for One Day

Guest Author: Sarah Martin When I hopped in the car at 6:30am to begin the trek North from Portland, OR to Longview, WA, I had no idea what to expect from the day. I knew I was going to help fish biologists at Abernathy Fish Technology Center with a stream sampling project but, aside from…