Module 2 - Longitudinal Survey
Pool Habitat
| Stream Name: TWAIN CREEK |
Survey Date: 2013-08-08 |
| Organization Name: Lake Babine Nation |
Project Name: |
| Stream Segment #: |
Stream Section #: |
| Data Entered by: Leanne Miranda |
Survey ID: 29 |
Step 4.1 Longitudinal Survey, Measurements
| Length of Survey Site |
Minimum: 134.400 (m) |
Actual: 141.200 (m) |
Photos Taken? no |
| Upstream Survey Boundary |
Minimum: 67.200 (m) |
Actual:67.200 (m) |
Photos Taken? no |
| Downstream Survey Boundary |
Minimum: 67.200 (m) |
Actual: 74.000(m) |
Photos Taken? no |
* distance upstream (Up) of benchmark
| Habitat Unit Type | bottom of habitat unit* | top of habitat unit* | length of habitat unit (m) | % slope | Photo frame # |
| Riffle |
|
|
4.300 |
4.000 |
|
| Pool |
|
|
16.700 |
0.000 |
|
| Riffle |
|
|
6.200 |
2.000 |
|
| Pool |
|
|
4.800 |
0.000 |
|
| Riffle |
|
|
3.000 |
3.000 |
|
| Pool |
|
|
12.500 |
0.000 |
|
| Riffle |
|
|
9.100 |
2.000 |
|
| Pool |
|
|
10.800 |
0.000 |
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0 |
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0 |
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0 |
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0 |
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0 |
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* distance downstream (Dn) of benchmark
| Habitat Unit Type | bottom of habitat unit* | top of habitat unit* | length of habitat unit (m) | % slope | Photo frame # |
| Pool |
|
|
43.500 |
0.000 |
|
| Riffle |
|
|
11.500 |
1.000 |
|
| Pool |
|
|
19.000 |
0.000 |
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0 |
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0 |
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0 |
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0 |
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0 |
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0 |
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0 |
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0 |
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0 |
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0 |
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Step 4.2 Longitudinal Survey, Habitat Quality
| 1. Streambed material (from 25 samples) |
| Fines: |
32.00 % |
| Gravel: |
56.00 % |
| Cobble: |
12.00 % |
| Boulder: |
% |
| Bedrock: |
% |
| Cobble and Boulder Total: |
0.00 % |
| 2. % Embeddness |
45.00 % |
| Instream cover |
| Large Woody debris: |
65.00 pieces |
| Rooted cutbank: |
number of instances 30.00 |
| 4. Percent Pool Habitat |
Average % Survey Slope |
1.09 % |
| Total length of pools: |
107.3 |
| Length of Reference Site: |
141.4 |
| Pool Habitat: |
75.88 % |
| 5. Off Channel Habitat |
| Details: |
seasonal braid |
| Size: |
20 |
Present: |
side |
| 6. Bank Stability |
| Active Erosion Left Bank: |
0 |
| Active Erosion Left Bank Length: |
|
| Active Erosion Right Bank: |
|
| Active Erosion Right Bank Length: |
|
| Bank Stabilzation Left Bank: |
0 |
| Bank Stabilzation Left Bank Length: |
|
| Bank Stabilzation Right Bank: |
|
| Bank Stabilzation Right Bank Length: |
|
| Slides Reaching Channel Left Bank: |
0 |
| Slides Reaching Channel Left Bank Length: |
|
| Slides Reaching Channel Right Bank: |
|
| Slides Reaching Channel Right Bank Length: |
|
| 7. Length of bank with no vegetation (m) |
| Left Bank: |
0.00 |
| Right Bank: |
0.00 |
| 8. Overhead Canopy |
| Bankfull Channel covered by overhanging branches: |
20.00 % |
| 9. Riparian zone |
| # of channel widths: |
10.00 |
| Coniferous trees: |
0.5 |
| Deciduous trees: |
0.5 |
| Shrubs: |
0.5 |
| Grass: |
0.25 |
Adjacent Land Use and Impacts:
|