Canyon
Reservoir Tailrace BVET Habitat Survey 2006 |
Large
Woody Debris Summary |
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No. per |
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Survey Distance (km) |
17.1 |
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Category |
Length (m) |
Diameter (cm) |
Description |
Total(s) |
Kilometer |
|
Survey Acreage |
126 |
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1 |
1-5 |
10-55 |
short, skinny |
337 |
20 |
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2 |
1-5 |
>55 |
short, fat |
60 |
4 |
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Unit |
Number |
Total |
Percent |
Linear |
Percent |
Riffle/Run |
Pool/Glide |
3 |
>5 |
10-55 |
long, skinny |
60 |
4 |
|
Type |
of Units |
Acres |
Coverage |
Distance (m) |
Composition |
Ratio |
Ratio |
4 |
>5 |
>55 |
long, fat |
61 |
4 |
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Riffle |
31 |
16 |
13 |
2355 |
36 |
69 |
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Total |
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518 |
30 |
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Run |
14 |
9 |
7 |
1488 |
16 |
31 |
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Pool |
35 |
95 |
75 |
12410 |
41 |
|
88 |
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Glide |
5 |
5 |
4 |
651 |
6 |
|
13 |
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Total(s) |
85 |
126 |
100 |
16904 |
100 |
100 |
100 |
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Substrate |
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Depth Summary |
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0.0 - 17.1 km |
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Unit |
Average Depth |
Median |
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Substrate |
Substrate |
Units Present |
Percent Composition |
Cumulative Percent |
Type |
Maximum |
Average |
Maximum |
Average |
|
Type |
Number |
Dominant |
Subdominant |
Dominant |
Subdominant |
Dominant |
Subdominant |
Riffle - Max |
58 |
35 |
50 |
35 |
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Organic |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
Run - Max |
59 |
35 |
50 |
33 |
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Clay |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
Pool - Max |
167 |
165 |
113 |
110 |
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Silt |
3 |
2 |
3 |
2 |
4 |
2 |
4 |
Glide - Max |
63 |
50 |
37 |
30 |
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Sand |
4 |
2 |
1 |
2 |
1 |
5 |
5 |
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Sm. Gravel |
5 |
2 |
8 |
2 |
10 |
7 |
14 |
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Lg. Gravel |
6 |
9 |
13 |
11 |
15 |
18 |
30 |
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Cobble |
7 |
6 |
26 |
7 |
31 |
25 |
61 |
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Boulder |
8 |
12 |
31 |
14 |
37 |
39 |
98 |
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Riffle - Max |
58 |
|
50 |
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Bedrock |
9 |
51 |
2 |
61 |
2 |
100 |
100 |
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Riffle - Avg |
35 |
|
35 |
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Total(s) |
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84* |
84* |
100 |
100 |
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Run - Max |
59 |
|
50 |
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*Only
GPS data recorded for Pool 35 |
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Run - Avg |
35 |
|
33 |
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Pool - Max |
167 |
|
113 |
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Pool - Avg |
165 |
|
110 |
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Glide - Max |
63 |
|
37 |
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Glide - Avg |
50 |
|
30 |
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Riffle
Substrate |
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Habitat Suitability Model - V4 (Thalweg Depth) |
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Substrate |
Substrate |
Units Present |
Percent Composition |
Cumulative Percent |
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Type |
Number |
Dominant |
Subdominant |
Dominant |
Subdominant |
Dominant |
Subdominant |
0.0-17.1 km |
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Organic |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
Average Maximum Depth (cm) |
|
102 |
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Clay |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
Suitability Index |
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>=1.0 |
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Silt |
3 |
0 |
1 |
0 |
3 |
0 |
3 |
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Sand |
4 |
0 |
0 |
0 |
0 |
0 |
3 |
0.0-6.3 km |
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Sm. Gravel |
5 |
0 |
1 |
0 |
3 |
0 |
6 |
Average Maximum Depth (cm) |
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118 |
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Lg. Gravel |
6 |
1 |
4 |
3 |
13 |
3 |
19 |
Suitability Index |
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>=1.0 |
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Cobble |
7 |
5 |
8 |
16 |
26 |
19 |
45 |
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Boulder |
8 |
5 |
15 |
16 |
48 |
35 |
94 |
6.3-11.7 km |
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Bedrock |
9 |
20 |
2 |
65 |
6 |
100 |
100 |
Average Maximum Depth (cm) |
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88 |
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Total(s) |
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31 |
31 |
100 |
100 |
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Suitability Index |
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>=1.0 |
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11.7-17.1 km |
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Average Maximum Depth (cm) |
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103 |
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Suitability Index |
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>=1.0 |
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Run Substrate |
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Habitat Suitability Model - V10 (Percent Pools) |
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Substrate |
Substrate |
Units Present |
Percent Composition |
Cumulative Percent |
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Type |
Number |
Dominant |
Subdominant |
Dominant |
Subdominant |
Dominant |
Subdominant |
0.0-17.1 km |
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Percent Pools: |
47 |
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Organic |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
Unit |
Number |
Percent |
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Suitability Index: |
>= 1.0 |
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Clay |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
Type |
of Units |
Composition |
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Silt |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
Riffle |
31 |
36 |
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Sand |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
Run |
14 |
16 |
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Sm. Gravel |
5 |
1 |
2 |
7 |
14 |
7 |
14 |
Pool |
35 |
41 |
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Lg. Gravel |
6 |
2 |
3 |
14 |
21 |
21 |
36 |
Glide |
5 |
6 |
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Cobble |
7 |
1 |
3 |
7 |
21 |
29 |
57 |
Total(s) |
85 |
100 |
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Boulder |
8 |
0 |
6 |
0 |
43 |
29 |
100 |
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Bedrock |
9 |
10 |
0 |
71 |
0 |
100 |
100 |
0.0-6.3 km |
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Percent Pools: |
41 |
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Total(s) |
|
14 |
14 |
100 |
100 |
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Unit |
Number |
Percent |
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Suitability Index: |
>= 1.0 |
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Type |
of Units |
Composition |
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Riffle |
12 |
41 |
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Run |
5 |
17 |
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Pool |
10 |
34 |
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Glide |
2 |
7 |
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Total(s) |
29 |
100 |
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6.3-11.7 km |
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Unit |
Number |
Percent |
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Percent Pools: |
55 |
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Type |
of Units |
Composition |
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Suitability Index: |
>= 1.0 |
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Riffle |
10 |
30 |
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Run |
5 |
15 |
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Pool |
15 |
45 |
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Glide |
3 |
9 |
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Total(s) |
33 |
100 |
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11.7-17.1km |
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Unit |
Number |
Percent |
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Percent Pools: |
43 |
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Type |
of Units |
Composition |
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Suitability Index: |
>= 1.0 |
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Riffle |
9 |
39 |
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Run |
4 |
17 |
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Pool |
10 |
43 |
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Glide |
0 |
0 |
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Total(s) |
23 |
100 |
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Habitat Suitability Model - V15 (Pool Class Rating) |
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Pool
Substrate |
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Substrate |
Substrate |
Units Present |
Percent Composition |
Cumulative Percent |
Unit |
Number |
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Type |
Number |
Dominant |
Subdominant |
Dominant |
Subdominant |
Dominant |
Subdominant |
Type |
of Units |
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Organic |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
Glides |
5 |
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Clay |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
Pools |
35 |
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Silt |
3 |
2 |
2 |
6 |
6 |
6 |
6 |
Total |
40 |
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Sand |
4 |
1 |
1 |
3 |
3 |
9 |
9 |
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Sm. Gravel |
5 |
0 |
4 |
0 |
12 |
9 |
21 |
Depth >=200cm |
|
15 |
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Lg. Gravel |
6 |
6 |
4 |
18 |
12 |
27 |
32 |
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Cobble |
7 |
0 |
14 |
0 |
41 |
27 |
74 |
Pool Class Rating (1st
Class >=30%) |
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38 |
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Boulder |
8 |
6 |
9 |
18 |
26 |
44 |
100 |
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Bedrock |
9 |
19 |
0 |
56 |
0 |
100 |
100 |
Suitability Index |
|
A |
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Total(s) |
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34* |
34* |
100 |
100 |
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*Only
GPS data recorded for Pool 35 |
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Glide
Substrate |
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Substrate |
Substrate |
Units Present |
Percent Composition |
Cumulative Percent |
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Type |
Number |
Dominant |
Subdominant |
Dominant |
Subdominant |
Dominant |
Subdominant |
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Organic |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
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Clay |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
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Silt |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
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Sand |
4 |
1 |
0 |
20 |
0 |
20 |
0 |
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Sm. Gravel |
5 |
1 |
1 |
20 |
20 |
40 |
20 |
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Lg. Gravel |
6 |
0 |
2 |
0 |
40 |
40 |
60 |
|
Cobble |
7 |
0 |
1 |
0 |
20 |
40 |
80 |
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Boulder |
8 |
1 |
1 |
20 |
20 |
60 |
100 |
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Bedrock |
9 |
2 |
0 |
40 |
0 |
100 |
100 |
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Total(s) |
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5 |
5 |
100 |
100 |
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Habitat Suitability
Model - V9 (Food Production) |
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0.0
km - 6.3 km |
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Substrate |
Substrate |
Units Present |
Percent Composition |
Cumulative Percent |
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Type |
Number |
Dominant |
Subdominant |
Dominant |
Subdominant |
Dominant |
Subdominant |
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Organic |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
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Clay |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
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Silt |
3 |
0 |
1 |
0 |
6 |
0 |
6 |
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Sand |
4 |
0 |
0 |
0 |
0 |
0 |
6 |
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Sm. Gravel |
5 |
0 |
1 |
0 |
6 |
0 |
12 |
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Lg. Gravel |
6 |
1 |
4 |
6 |
24 |
6 |
35 |
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Cobble |
7 |
2 |
2 |
12 |
12 |
18 |
47 |
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Boulder |
8 |
0 |
9 |
0 |
53 |
18 |
100 |
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Bedrock |
9 |
14 |
0 |
82 |
0 |
100 |
100 |
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Total(s) |
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17 |
17 |
100 |
100 |
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Predominant
substrate type (>= 50%) |
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0.0- 6.3 km |
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Bedrock |
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Suitability
Index |
C |
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Habitat Suitability
Model - V9 (Food Production) |
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6.3 - 11.7 km |
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Substrate |
Substrate |
Units Present |
Percent Composition |
Cumulative Percent |
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Type |
Number |
Dominant |
Subdominant |
Dominant |
Subdominant |
Dominant |
Subdominant |
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Organic |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
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Clay |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
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Silt |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
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Sand |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
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Sm. Gravel |
5 |
1 |
1 |
7 |
7 |
7 |
7 |
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Lg. Gravel |
6 |
1 |
1 |
7 |
7 |
13 |
13 |
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Cobble |
7 |
1 |
5 |
7 |
33 |
20 |
47 |
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Boulder |
8 |
2 |
6 |
13 |
40 |
33 |
87 |
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Bedrock |
9 |
10 |
2 |
67 |
13 |
100 |
100 |
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Total(s) |
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15 |
15 |
100 |
100 |
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Predominant
substrate type (>= 50%) |
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6.3-11.7km |
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Bedrock |
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Suitability
Index |
C |
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Habitat Suitability
Model - V9 (Food Production) |
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11.7 - 17.1 km |
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Substrate |
Substrate |
Units Present |
Percent Composition |
Cumulative Percent |
|
Type |
Number |
Dominant |
Subdominant |
Dominant |
Subdominant |
Dominant |
Subdominant |
|
Organic |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
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Clay |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Silt |
3 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Sand |
4 |
0 |
0 |
0 |
0 |
0 |
0 |
|
Sm. Gravel |
5 |
0 |
1 |
0 |
8 |
0 |
8 |
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Lg. Gravel |
6 |
1 |
2 |
8 |
15 |
8 |
23 |
|
Cobble |
7 |
3 |
4 |
23 |
31 |
31 |
54 |
|
Boulder |
8 |
3 |
6 |
23 |
46 |
54 |
100 |
|
Bedrock |
9 |
6 |
0 |
46 |
0 |
100 |
100 |
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Total(s) |
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13 |
13 |
100 |
100 |
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Predominant
substrate types occur in approximately equal amounts |
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11.7-17.1 km |
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Lg. Gravel, Cobble, Boulder (54% of substrate) |
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Bedrock (46% of substrate) |
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Suitability
Index |
B / C |
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