Fish Inventory Site FSH0219A84

Coordinates (dec. deg.): 62.35454°, -150.66215°
Legal Description: S026N008W12
Region: South Central

Datum: NAD83
Quad Name / ITM: Talkeetna B-2
AWC Stream #:
Stream Name: Twentymile Creek

Elevation: 306 m

Site Comments: Petersville Road crosses site. Beaver ponds upstream and downstream of site.

Survey Date: Aug 20, 2002

Survey FSH02-19A84

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

Station Characteristics

Water Temperature: 11.2° C Conductivity: 6.0 μS/cm Stream Stage: Medium
Water Color: Clear Turbidity: Stream Gradient: 0.0%
Qualitative Velocity: Slow 48 hr. Precipitation/Runoff: Moderate
Substrates: Gravel, Sand
Channel Dimensions:
  (OHW) (Wetted)
Stream Width:
Thalweg Depth:
Rosgen Channel Classification: (LAK) Lake/Pond
Visit Comments: None

Vegetation Classification

Left Bank Right Bank
Distance
From
OHW(m)
0-5 Bluejoint Meadow
5-10 Closed Spruce-Paper Birch Forest
10-20
20-30

Fish Sampling Effort

Gear Type: Minnow Trap, 1/4 in. Mesh (A) Trap Duration(h): 14
Channel Type: Main Channel (>50% of water flow)

Fish Observations

Species: juvenile coho salmon Life History: Anadromous
Total Fish Observed: 8 Fish Measured: 4 Passage Barrier:
Fork Lengths (mm) Min: 79 Max: 98 Mean: 88
Collected/Observed by Gear Type: Minnow Trap, 1/4 in. Mesh (8)
 
Species: juvenile rainbow trout Life History: Unknown
Total Fish Observed: 8 Fish Measured: 4 Passage Barrier:
Fork Lengths (mm) Min: 90 Max: 135 Mean: 115
Collected/Observed by Gear Type: Minnow Trap, 1/4 in. Mesh (8)
 
Species: juvenile/adult slimy sculpin Life History: Resident
Total Fish Observed: 2 Fish Measured: 1 Passage Barrier:
Fork Lengths (mm) Min: 77 Max: 77 Mean: 77
Collected/Observed by Gear Type: Minnow Trap, 1/4 in. Mesh (2)
 

Photos

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