Fish Inventory Site FSH0203A10

Site Comments: ~ 1/4 mile down stream of canyon (potential velocity barrier/impediment to adult salmonid upstream migration). GPS accuracy = 21.4 feet. Cobble bar between right bank side channel and mainstem. Sampled fish in right bank side channel.

Project Supervisor: Cecil Rich, Alaska Department of Fish and Game — Anchorage, AK
Observers: Joe Buckwalter, Michael Anderson

Station Characteristics

Water Temperature: 7.6° C	Conductivity: 4.0 μS/cm	Stream Stage: Medium
Water Color: Clear	Turbidity:	Stream Gradient: 1.0%
Qualitative Velocity: Fast	48 hr. Precipitation/Runoff: None/Trace
Substrates: Boulder, Cobble
Channel Dimensions:   (OHW) (Wetted) Stream Width: 18.0 m 16.5 m Thalweg Depth: 1.0 m	Rosgen Channel Classification: (C2) Low gradient, meandering, point-bar, riffle/pool, alluvial channels with broad, well-defined floodplains.
Visit Comments: Widths, depth estimated.

Vegetation Classification

		Left Bank	Right Bank
Distance From OHW(m)	0-5
	5-10
	10-20
	20-30

Fish Sampling Effort

Gear Type: Backpack Electrofisher (A)
EF Time(s): 287		Efficiency:
Channel Type: Side Channel (connected to main channel at inlet and outlet)
Comments: 19 additional fry and 1 juvenile (~70 mm) observed. All fish except 1 juvenile (found in mainstem pocket pool) found in a clear side channel.

Fish Observations

Species: juvenile Dolly Varden		Life History: Unknown	Spawning: Yes
Total Fish Observed: 26	Fish Measured: 6	Passage Barrier:
Fork Lengths (mm) Min: 22 Max: 92 Mean: 45
Collected/Observed by Gear Type: Backpack Electrofisher (26)
Comments: Additional count includes 19 fry and 1 parr (~70 mm). All fish except 1 juvenile (found in mainstem pocket pool) found in a clear side channel.

Photos

Questions or comments about this report can be directed to dfg.dsf.webmaster@alaska.gov