Fish Inventory Site FSNPR1612A01

Coordinates (dec. deg.): 69.24854°, -152.47563°
Legal Description: U002S002W19
Region: Arctic

Datum: WGS84
Quad Name / ITM: Umiat A-5
AWC Stream #:
Stream Name: Fossil Creek

Elevation:

Site Comments: WP 247 - 263. Downstream of target site due to low H2O.

Survey Date: Aug 12, 2016

Survey FSNPR16-12A01

Observers: Joe Giefer, Mark Eisenman

Station Characteristics

Water Temperature: 11.98° C DO: 9.51 ppm Conductivity: 150.0 μS/cm Stream Stage: Low
Water Color: Clear Turbidity: 0.55 NTU / pH: 7.55 Stream Gradient: 1.0%
Qualitative Velocity: Slow 48 hr. Precipitation/Runoff: None/Trace
Substrates: Cobble, Gravel, Sand
Channel Dimensions:
  (OHW) (Wetted)
Stream Width: 11.1 m
Thalweg Depth: 0.2 m
Rosgen Channel Classification:
Visit Comments: Hanna Probe: pH = 8.9, Cond = 217. Extremely low water in a low gradient pool/riffle system. Many stretches of riffle were too shallow to sample and we had to drag the raft to the next pool. Very ineffective sampling at such low water.

Vegetation Classification

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

Fish Sampling Effort

Gear Type: Boat-Mounted Electrofisher (A)
EF Time(s): 113 Efficiency: Fair
Channel Type: Main Channel (>50% of water flow)
Comments: WP 248 - 249
Gear Type: Boat-Mounted Electrofisher (B)
EF Time(s): 170 Efficiency: Fair
Channel Type: Main Channel (>50% of water flow)
Comments: WP 250 - 251
Gear Type: Boat-Mounted Electrofisher (C)
EF Time(s): 111 Efficiency: Fair
Channel Type: Main Channel (>50% of water flow)
Comments: WP 252 - 253
Gear Type: Boat-Mounted Electrofisher (D)
EF Time(s): 153 Efficiency: Fair
Channel Type: Main Channel (>50% of water flow)
Comments: WP 254 - 255
Gear Type: Boat-Mounted Electrofisher (E)
EF Time(s): 168 Efficiency: Fair
Channel Type: Main Channel (>50% of water flow)
Comments: WP 256 - 257
Gear Type: Visual Observation, Boat (EE)
Channel Type:
Comments: WP 256 - 257
Gear Type: Boat-Mounted Electrofisher (F)
EF Time(s): 143 Efficiency: Poor
Channel Type: Main Channel (>50% of water flow)
Comments: WP 258 -259
Gear Type: Visual Observation, Boat (FF)
Channel Type:
Comments: WP 258 -259
Gear Type: Boat-Mounted Electrofisher (G)
EF Time(s): 156 Efficiency: Poor
Channel Type: Main Channel (>50% of water flow)
Comments: WP 260 - 261
Gear Type: Boat-Mounted Electrofisher (H)
EF Time(s): 126 Efficiency: Poor
Channel Type: Main Channel (>50% of water flow)
Comments: WP 262 - 263
Gear Type: Visual Observation, Boat (II)
Channel Type:
Comments: 400 meters downstream of WP 263

Fish Observations

Species: juvenile/adult Arctic grayling Life History: Resident
Total Fish Observed: 14 Fish Measured: 5 Passage Barrier:
Fork Lengths (mm) Min: 52 Max: 252 Mean: 159
Collected/Observed by Gear Type: Boat-Mounted Electrofisher (3) Boat-Mounted Electrofisher (1) Boat-Mounted Electrofisher (1) Visual Observation, Boat (1) Visual Observation, Boat (8)
Comments: EE and II vis obs were all estimated to be longer than 250mm
 
Species: juvenile/adult round whitefish Life History: Resident
Total Fish Observed: 1 Fish Measured: 1 Passage Barrier:
Fork Lengths (mm) Min: 352 Max: 352 Mean: 352
Collected/Observed by Gear Type: Boat-Mounted Electrofisher (1)
 
Species: juvenile/adult slimy sculpin Life History: Resident
Total Fish Observed: 3 Fish Measured: 2 Passage Barrier:
Fork Lengths (mm) Min: 22 Max: 51 Mean: 36
Collected/Observed by Gear Type: Visual Observation, Boat (1) Boat-Mounted Electrofisher (2)
 

Photos

No photos available.

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