HABITAT
FEATURES CHECKLIST
Date: |
Stream Name: |
Location: County: |
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Observers: |
Group Name: |
Supervisor: |
Survey 100 meters of stream. Measure the length in meters (use a tape measure) of each habitat type present:
Riffles
_________ Pools __________
Runs ________
1. Particle sizes on stream bottom: estimate percent area for each |
4. Stream size: in cm |
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Percent: |
Fines <0.25 mm |
Sand 0.25-2 mm |
Gravel 2-65 mm |
Cobble 65-250 mm |
Boulder >250 mm |
Order: (use map) |
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<5% |
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Width of water: |
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5-25% |
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min |
max |
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25-50% |
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Width of channel: |
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>50% |
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min |
max |
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2. Bottom cover on stream: estimate percent area for each |
Mid-stream depth range: min | max |
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Percent: |
Algae |
Twigs
and leaf debris (<10 cm) |
Woody
debris (>10
cm) |
Aquatic
plants (rooted) |
5. Embeddedness %: burial of gravel and cobble by fine and sand sediment |
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<5% |
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<5% |
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5-25% |
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5-25% |
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25-50% |
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25-50% |
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>50% |
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>50% |
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3. Streambank cover, slopes and erosion: estimate percent area on both banks for each |
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Percent: |
Grasses |
Brush |
Trees |
Rocks |
Soil |
undercut |
steep |
shallow |
Eroding |
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<5% |
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5-25% |
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25-50% |
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>50% |
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Note: undercut slope angle = <90°
to water; steep slope = >90°-150°;
shallow or gentle slope = 150°-180°
flat to water
Flow Conditions: slow/smooth moderate/rippling rapid/turbulent
or Current velocity estimate (using meter or timed float): Average cm / second:
Discharge estimate: [avg. velocity (cm/sec) X cross-section area (avg. depth x