Fish Inventory Site FSNPR1611C04

Coordinates (dec. deg.): 69.77366°, -156.55143°
Legal Description: U005N019W23
Region: Arctic

Datum: WGS84
Quad Name / ITM: Lookout Ridge D-1
AWC Stream #:
Stream Name: Topagoruk River

Elevation:

Site Comments: H106

Survey Date: Aug 06, 2016

Survey FSNPR16-11C04

Observers: Raye Ann Neustel, Marla Carter

Station Characteristics

Water Temperature: 10.34° C DO: 9.52 ppm Conductivity: 105.0 μS/cm Stream Stage: Low
Water Color: Humic Turbidity: 4.3 NTU / pH: 6.95 Stream Gradient: 0.5%
Qualitative Velocity: 48 hr. Precipitation/Runoff: None
Substrates: Cobble, Gravel
Channel Dimensions:
  (OHW) (Wetted)
Stream Width: 0.5 m
Thalweg Depth: 0.1 m
Rosgen Channel Classification: (C3) Low gradient, meandering, point-bar, riffle/pool, alluvial channels with broad, well-defined floodplains.
Visit Comments: None

Vegetation Classification

Left Bank Right Bank
Distance
From
OHW(m)
0-5 Sedge-Willow Tundra Sedge-Willow Tundra
5-10 Closed Tall Willow Shrub Closed Tall Willow Shrub
10-20 Tussock Tundra Tussock Tundra
20-30 Tussock Tundra Tussock Tundra

Fish Sampling Effort

Gear Type: Smith-Root LR-24 (A)
Channel Type: Main Channel (>50% of water flow)
Gear Type: Minnow Trap (B)
Channel Type: Main Channel (>50% of water flow)
Gear Type: Visual Observation, Ground (C)
Channel Type: Main Channel (>50% of water flow)

Fish Observations

Species: juvenile/adult Arctic grayling Life History: Resident
Total Fish Observed: 1 Fish Measured: 1 Passage Barrier:
Fork Lengths (mm) Min: 69 Max: 69 Mean: 69
Collected/Observed by Gear Type: Smith-Root LR-24 (1)
 
Species: juvenile/adult ninespine stickleback Life History: Resident
Total Fish Observed: 3 Fish Measured: Passage Barrier:
Fork Lengths (mm) Min: Max: Mean:
Collected/Observed by Gear Type: Minnow Trap (3)
 
Species: juvenile northern pike Life History: Resident
Total Fish Observed: 1 Fish Measured: 1 Passage Barrier:
Fork Lengths (mm) Min: 83 Max: 83 Mean: 83
Collected/Observed by Gear Type: Smith-Root LR-24 (1)
 

Photos

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