| Reach:
Upstream of Grotto
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Stream:
North Fork Virgin
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Watershed:
Virgin
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|
State: UT
Survey Date:
Wed, 05/19/2010 - 2:45pm
Background information available.
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| Observers:
Cheryl Decker (and RSRA trainees)
E-mail: Cheryl_Decker@nps.gov
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|
Phone: 435-772-0216
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| (UTM) Zone: 12
Upstream (UTM): 0327290E
Upstream (UTM): 4126065N
Elevation: 1327 meters
|
| NAD: 83
Downstream (UTM): 0327044E
Downstream (UTM): 4125568N
Elevation: 1309 meters
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|
(UTM) Start: 0327145E
(UTM) Start: 4125969N
Upstream or down? Upstream
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|
Scores:
WQ 3.5
HG 4
F/AH 2.8
RV 3.6
TWH 3
Overall 3.4
|
|
| Water Quality |
|
5 |
1 |
Algal Growth |
| 2 |
2 |
Channel Shading |
%=2 |
|
| 3.5 |
|
Mean Score |
| Notes: We could not safely walk channel (400+ cfs flow)to get algal count, so we "spot-checked" it as safety permitted and extrapolated to the whole transect |
|
|
| Hydrogeomorphology |
|
3 |
Floodplain Connection |
| 5 |
4 |
Vertical Bank Stability |
%=99 |
| 5 |
5 |
Hydraulic Habitat Diversity |
| 4 |
6 |
Riparian Area Soil Integrity |
| 2 |
7 |
Beaver Activity |
|
| 4 |
|
Mean Score |
|
Notes: Not safe to find thalweg/channel bottom b/c of high flow, so we did not do indicator 3
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|
|
| Fish/Aquatic Habitat |
| 1 |
8 |
Riffle-Pool Distribution |
| 1 |
9 |
Underbank Cover |
%=0 |
| 3 |
10 |
Cobble Embeddedness |
%=34 |
| 4 |
11 |
Aquatic Macroinvertebrate Diversity |
| 3 |
12 |
Large Woody Debris |
| 5 |
13 |
Overbank Cover |
|
| 2.8 |
|
Mean Score |
|
Notes: Cobbles were not all from main channel, for safety reasons (high flows). There might have been more pools if we came back a few weeks later.
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|
|
| Riparian Vegetation |
| 3 |
14 |
Riparian Zone Plant Community Structure |
|
G=74%
S=29%
MC=0%
UC=0%
avg=25.8%
|
| 4 |
15 |
Shrub Demography and Recruitment |
| 5 |
16 |
Tree Demography and Recruitment |
| 1 |
17 |
Non-native Herbaceous Plant Species |
| 5 |
18 |
Non-native Woody Plant Species |
| 5 |
19 |
Grazing Impacts on Ground Cover |
%=0 |
| 2 |
20 |
Browsing Impacts on Shrubs and Small Trees |
|
| 3.6 |
|
Mean Score |
|
|
|
|
| Terrestrial Wildlife Habitat |
| 4 |
21 |
Shrub Patch Density |
| 1 |
22 |
Mid-canopy Patch Density |
| 3 |
23 |
Upper Canopy Patch Density |
| 4 |
24 |
Fluvial Habitat Density |
|
| 3 |
|
Mean Score |
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| Scores |
| WQ |
HG |
F/AH |
RV |
TWH |
OVERALL |
| 3.5 |
4 |
2.8 |
3.6 |
3 |
3.4 |
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