Module 2 - Assessment

Score for this survey is 75

Stream Name: COQUITLAM RIVER Survey Date: 2017-09-22
Organization Name: Pearson Ecological Project Name: Oxbow side channel
Stream Segment: Stream Seection:
Data entered by: ZoAnn Survey ID: 76

Step 5 Habitat Assessment

CharacteristicResultsGoodAcceptableMarginalPoorScore
1: Streambed Material:
% boulder and cobble
28 15-20
50%
10-15
30-50%
5-10
10-30%
0-5
< 10%
9
2: Embeddedness 28.57 15-20
25-0%
10-15
50-25%%
5-10
75-50%%
0-5
> 75%
14
3: Instream cover: 0.91 15-20
>3
10-15
2 to 3
5-10
1 to 1
0-5
< 1
4
4: % Pool Habitat
< 2% stream slope
2-5 %stream slope
> 5% stream slope
2 50 11-15
>60% pool
>50% pool
>40% pool
7-11
50-60%
40-50%
30-40%
3-7
40-50%
30-40%
20-30%
0-3
< 40%
< 30%
< 20%
11
5: Off Channel Habitat: ponds, side channels with protection from flood flows. 0 11-15
Year round, good protection
7-11
Seasonal, good protection
3-7
Seasonal, minimal protection
0-3
Little or none, no protection
0
6: Bank Stability 11-15
Stable
7-11
Moderately stable
3-7
Moderately unstable
0-3
Unstable
15
7: Bank Vegetation % streambank covered by vegetation 50 8-10
> 90%
5-8
70 - 90%
2-5
50-70%
0-2
under 50%
2
8: Overhead canopy: % bankfull channel overhng by trees and shrubs 95 8-10
> 30%
5-8
20 - 30%
2-5
10-20%
0-2
0-10%
10
9: Riparian Zone:
# bankfull channels wide
Trees and shrubs
2++ 8-10
2 or more
Abundant on whole plain
5-8
1 to 2
Good species mix
2-5
< 1
common, few species
0-2
0
sparse or absent
10
Total Score: 206.48 102-135 66-102 30-66 0-30 75