Fish Inventory Site FSNPR1602C01

Site Comments: H77 Upstream of Toolik River and Kuparuk River. Winter trail crosses stream.

Observers: Raye Ann Neustel, J Johnson

Station Characteristics

Water Temperature: 11.14° C DO: 10.34 ppm	Conductivity: 41.0 μS/cm	Stream Stage: Low
Water Color: Humic	Turbidity: 1.7 NTU / pH: 6.03	Stream Gradient: 1.0%
Qualitative Velocity:	48 hr. Precipitation/Runoff: None/Trace
Substrates: Cobble, Gravel, Sand
Channel Dimensions:   (OHW) (Wetted) Stream Width: 2.5 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: Approximately 1 mile from winter trail.

Vegetation Classification

		Left Bank	Right Bank
Distance From OHW(m)	0-5	Closed Tall Willow Shrub	Closed Tall Willow Shrub
	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: 7	Fish Measured: 7	Passage Barrier:
Fork Lengths (mm) Min: 32 Max: 43 Mean: 36
Collected/Observed by Gear Type: Smith-Root LR-24 (7)
Species: juvenile/adult Arctic grayling		Life History: Resident
Total Fish Observed: 4	Fish Measured: 2	Passage Barrier:
Fork Lengths (mm) Min: 85 Max: 143 Mean: 114
Collected/Observed by Gear Type: Smith-Root LR-24 (2) Visual Observation, Ground (2)

Photos

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