Document 7455566

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Transcript Document 7455566

Middle Fork Project
AQ 2 – Fish Population
Technical Study Plan Report
Maps and Horizontal Figures
March 10, 2008
Fish Population Study Sites
1
Trout Distribution
2
Minnow Distribution
3
All Rivers Distribution Schematic
Figure AQ 2-2. Fish Distribution in the Middle Fork American River, Rubicon River, Long Canyon Creek, North Fork
Long Canyon Creek, South Fork Long Canyon Creek, Duncan Creek, and Little Duncan Creek.
Middle Fork American River below Ralston Afterbay
North Fork
American River
Confluence
Folsom Reservoir
Mammoth
Bar
Otter
Creek
Canyon
Creek
Volcano
Creek
NFMF1
20.9
24.1
Ralston
Afterbay
Dam
Rainbow Trout & Brown Trout
Hardhead
Pikeminnow
California Roach
0
0
21
11
9
4.8
14.1
25.9
River Mile
Middle Fork American River above Ralston Afterbay
Ralston Afterbay
Potential
Barrier
Brushy
Canyon
26.4
30.4
Middle Fork
Interbay
French
Meadows
Reservoir
Duncan
Creek
Confluence
Rainbow Trout & Brown Trout
Hardhead
Pikeminnow
California Roach
26.2
36.2
44.7
39.7
Rubicon River
Long
Canyon
Creek
51.8
47.2
River Mile
Pilot
Creek
Potential
Barrier
Elicott
Bridge
Hell Hole
Reservoir
South Fork
Rubicon
Rainbow Trout & Brown Trout
Hardhead
Pikeminnow
California Roach
0
3.5
5.2
14.2
20.9
25.7
22.6
30.5
36.2
River Mile
Long Canyon Creek
Ramsey
Crossing
Long Canyon Creek
North Fork Long Canyon
Rainbow
Trout
1.9
4.9
3.8
3.1
Rainbow Trout
South Fork Long Canyon
Rainbow
Trout
Hardhead
2.3
Pikeminnow
3.2
4.2
8.55
River Mile
California Roach
0
5
9
11.4
River Mile
Duncan Creek
Little Duncan Creek
Rainbow Trout &
Brown Trout
Mosquito Ridge
Road
0
1.3
Rainbow Trout & Brown Trout
0
3
6.3
7.4
River Mile
=Present
= Uncertain
= Diversion dam
1
NFMF= North Fork of the Middle Fork American River
4
8.6
9.5
13.3
California Roach
Small Stream Distribution Schematic
0
3.5
5.2
14.2
20.9 22.6
25.7
30.5
36.2
River Mile
Long Canyon Creek
Ramsey
Crossing
Long Canyon Creek
North Fork Long Canyon
Rainbow
Trout
1.9
3.1
Rainbow Trout
4.9
3.8
South Fork Long Canyon
Rainbow
Trout
Hardhead
2.3 3.2
Pikeminnow
4.2
8.55
River Mile
California Roach
0
5
9
11.4
River Mile
Duncan Creek
Little Duncan Creek
Rainbow Trout &
Brown Trout
Mosquito Ridge
Road
0
1.3
Rainbow Trout & Brown Trout
0
3
6.3
7.4
River Mile
=Present
= Uncertain
= Diversion dam
1
NFMF= North Fork of the Middle Fork American River
5
8.6
9.5
13.3
Example Upstream Distribution Limit (South Fork
Long Canyon)
6
Large River Distribution Schematic
Figure AQ 2-2. Fish Distribution in the Middle Fork American River, Rubicon River, Long Canyon Creek, North Fork
Long Canyon Creek, South Fork Long Canyon Creek, Duncan Creek, and Little Duncan Creek.
Middle Fork American River below Ralston Afterbay
North Fork
American River
Confluence
Folsom Reservoir
Mammoth
Bar
Otter
Creek
Canyon
Creek
Volcano
Creek
NFMF1
20.9
24.1
Ralston
Afterbay
Dam
Rainbow Trout & Brown Trout
Hardhead
Pikeminnow
California Roach
0
21
0
11
9
4.8
14.1
25.9
River Mile
Middle Fork American River above Ralston Afterbay
Ralston Afterbay
Potential
Barrier
Brushy
Canyon
26.4
30.4
Middle Fork
Interbay
French
Meadows
Reservoir
Duncan
Creek
Confluence
Rainbow Trout & Brown Trout
Hardhead
Pikeminnow
California Roach
26.2
36.2
44.7
39.7
Rubicon River
Long
Canyon
Creek
51.8
47.2
River Mile
Pilot
Creek
Potential
Barrier
Elicott
Bridge
Hell Hole
Reservoir
South Fork
Rubicon
Rainbow Trout & Brown Trout
Hardhead
Pikeminnow
California Roach
0
3.5
5.2
14.2
20.9 22.6
25.7
30.5
River Mile
Long Canyon Creek
7 Rainbow
North Fork Long Canyon
36.2
Diversity Rivers
Table AQ 2-4. Summary of Fish Species Observed during the 2007 Fish Population Sampling (●).
Study Site
DATE
Sample
Type 1
Fish Species2
RBT
BNT
HH
SPM
MXD
SS
SCULP
●
●
●
●
●
●
●
●
●
●
SD
CAR
SMB
GSUN
KOK
TCB
LKT
WCF
SMB
GSUN
KOK
TCB
LKT
WCF
Middle Fork American River Dow nstream of Ralston Afterbay
QUANT
●
Fish MF4.8
10/3/07
Fish MF4.8
10/3/07
QUAL
Fish MF14.1
10/2/07
QUANT
●
Otter Creek at MF14.1
10/2/07; 10/16/07
QUAL
●
Gas Canyon
5/7/07
QUAL
●
●
●
●
●
●
●
●
●
Middle Fork American River from Middle Fork Interbay to Ralston Afterbay
Fish MF26.2
9/18/07
QUANT
●
●
●
●
●
●
●
●
●
MFAR upstream of
Ralston Afterbay
6/5/07; 6/25/07;
7/16/07
QUAL
●
●
●
●
●
●
●
●
●
MF at rm 29.4
10/24/07
QUAL
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
Middle Fork American River Upstream of Middle Fork Interbay
Fish MF36.2
9/21/07
QUANT
Fish MF44.7
9/26/07
QUANT
Fish MF51.8
10/11/07
QUANT
●
●
●
●
●
●
●
Rubicon River
Rubicon upstream of
Ralston Powerhouse
5/11/07; 6/7/07;
6/27/07;7/17/07
QUAL
Rubicon at rm 3.5
6/12/07
QUAL
Fish R3.5
9/17/07
QUANT
Rubicon at rm 5.2
10/24/07
QUAL
Rubicon at rm 9.9
9/27/2007
QUAL
Rubicon at rm 14.3
9/27/2007
QUAL
Fish R20.9
9/19/2007
QUANT
Fish R25.7
9/25/07
QUANT
Fish R36.2
9/27/07
QUANT
●
●
●
●
●
●
●
10/8/07
QUANT
●
QUANT
●
●
●
●
●
●
●
●
●
●
●
●
Long Canyon Creek
Fish LC9.0
North Fork Long Canyon Creek
Fish NFLC1.9
8/30/07
Fish
NFLC3.8
9/5/07of Fish Species
QUANT
Observed
AQ 2-4. Summary
Table
● during the 2007 Fish Population Sampling (●) (Continued).
NFLC upstream
of
Study Site
diversion pool
5/17/07;
6/16/07;
DATE
6/26/07
Sa mple
QUAL
Type 1
Fish Spe cie s2
●
RBT
BNT
HH
SPM
SS
MXD
SCULP
SD
CAR
ek
nyon Cre
Long Ca
QUAL Fork
= Qualitative
Sampling
(multi-pass
electrofishing, multiple lane snorkeling, and gill netting); QUANT = Quantitative sampling (snorkeling, single pass electrofishing, or seining)
1
South
2
Species:
RBT = Rainbow Trout;
BNT = Brown Trout;
HH = Hardhead;
SPM = Sacramento Pike Minnow; MXD = Mixed Minnow; SS = Sacramento Sucker; SCULP = Sculpin; SD = Speckled Dace; CAR = California Roach; SMB =
QUANT
8/28/07
SFLC2.3
Fish
●
Smallmouth Bass; GSUN = Green Sunfish; KOK = Kokanee; TCB = Tui Chub; LKT = Lake Trout; WCF = White Catfish
QUANT
●
QUAL
●
9/6/07
QUANT
●
●
9/7/07
QUANT
●
●
●
●
Fish SFLC4.2
8/29/07
rm = River
Mile of
upstream
SFLC
diversion pool
Dunca n Cre e k
5/17/07; 6/16/07;
6/26/07
Fish D6.3
Fish D9.0
3
5/17/07; 6/16/07;
Duncan usptream of
QUAL
6/26/07
diversion pool
North Fork of the Middle Fork Ame rica n Rive r
Fish NFMF2.3
10/1/07
QUANT
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
North Fork Ame rica n Rive r
●
Fish NF18.4
10/9/07
QUANT
Fish NF31.3
10/21/07
QUANT
NF at rm 31.3
10/21/07
QUAL
Fish NF53.7
8/31/07
QUANT
●
NFLC
9/4/07
QUANT
dry
SFLC
9/4/07
QUANT
●
Duncan
10/2/2007;
10/26/2007
QUANT
●
●
●
●
●
●
●
●
●
●
●
●
Dive rsion Pools
Re se rvoirs
Ralston
9/13/07-9/14/07
Gillnetting
●
●
Interbay
9/20/07-9/21/07
Gillnetting
●
●
French Meadows
9/11/07-9/13/07
Gillnetting
●
●
Hell Hole
9/10/07-9/12/07
Gillnetting
●
●
●
●
●
●
●
●
●
●
●
1
QUAL = Qualitative Sampling (multi-pass electrofishing, multiple lane snorkeling, and gill netting); QUANT = Quantitative sampling (snorkeling, single pass electrofishing, or seining)
2
Species: RBT = Rainbow Trout; BNT = Brown Trout; HH = Hardhead; SPM = Sacramento Pike Minnow; MXD = Mixed Minnow; SS = Sacramento Sucker; SCULP = Sculpin; SD = Speckled Dace; CAR = California Roach; SMB =
Smallmouth Bass; GSUN = Green Sunfish; KOK = Kokanee; TCB = Tui Chub; LKT = Lake Trout; WCF = White Catfish
3
rm = River Mile
8
Trout
r Mile
Trout
pepe
r Acre
7000
4000
Long Canyon Creeks
Middle Fork American River
and North Fork American River
below the Conf luence
3000
5000
2500
4000
2000
3000
Duncan Creek
Middle Fork American River
and North Fork American River
below the Conf luence
1500
Duncan Creek
Rubicon River
2000
1000
Comparison Rivers
350
3000
NF53.7
NF53.7
NF31.3
NF31.3
NFMF2.3
NFMF2.3
D9.0
D9.0
D6.3
D6.3
SFLC4.2
SFLC4.2
SFLC2.3
SFLC2.3
NFLC3.8
NFLC3.8
NFLC1.9
NFLC1.9
LC9.0
LC9.0
Trout pe r Acre
4000
400
3500
Comparison Rivers
R36.2
R36.2
R3.5
R3.5
MF51.8
MF51.8
MF44.7
MF44.7
MF36.2
MF36.2
MF26.2
MF26.2
MF14.1
MF14.1
MF4.8
MF4.8
NF18.4
NF18.4
0
0
R25.7
R25.7
Rubicon River
1000
500
R20.9
R20.9
Total Biom ass (pounds
per mCreeks
ile)
Long Canyon
YOY
Middle Fork American River and North Fork
American River below the Conf luence
Adult
300
2500
Rubicon River
250
2000
Middle Fork American River
and North Fork American River
below the Conf luence
200
1500
Long Canyon Creeks
150
1000
Duncan Creek
Duncan Creek
Rubicon River
100
500
Comparison Rivers
Comparison Rivers
400
Total Biom as s (pounds pe r m ile )
Middle Fork American River and North Fork
9
NF53.7
NF53.7
NF31.3
NF31.3
NFMF2.3
NFMF2.3
D6.3
D6.3
D9.0
D9.0
R3.5
R3.5
R20.9
R20.9
R25.7
R25.7
R36.2
R36.2
MF44.7
MF44.7
MF51.8
MF51.8
MF36.2
MF36.2
MF26.2
MF26.2
MF14.1
MF14.1
MF4.8
MF4.8
0
NF18.4
NF18.4
50
0
LC9.0
LC9.0
NFLC1.9
NFLC1.9
NFLC3.8
NFLC3.8
SFLC2.3
SFLC2.3
SFLC4.2
SFLC4.2
Number
Numberofoftrout
troutper
peracre
mile
YOY
YOY
Adult
Adult
Long Canyon Creeks
3500
6000
Number
pounds of
pertrout
mileper acre
NF53.7
NF31.3
D9.0
D6.3
NFMF2.3
Figure AQ 2-3. The Density and Biomass of Trout in the Study Streams.
SFLC4.2
SFLC2.3
NFLC3.8
NFLC1.9
LC9.0
R36.2
R25.7
R20.9
R3.5
MF51.8
MF44.7
MF36.2
Linear Abundance & Biomass
MF26.2
MF4.8
NF18.4
0
MF14.1
1000
Physical Comparability of River Sites
Fish MF44.7
Middle Fork American below French Meadows
Fish MF51.8
Middle Fork American above French Meadows
Fish R25.7
Rubicon below Hell Hole
Fish R36.2
Rubicon above Hell Hole
Fish NFLC1.9
North Fork Long Canyon below diversion
Fish NFLC3.8
North Fork Long Canyon above diversion
Fish SFLC2.3
South Fork Long Canyon below diversion
Fish SFLC4.2
South Fork Long Canyon above diversion
Fish D6.3
Duncan below diversion
Fish D9.0
Duncan above diversion
Fish MF4.8
Middle Fork American above Mammoth Bar
Fish NF31.3
North Fork American at Ponderosa Bridge
Fish MF14.1
Middle Fork American at Otter Creek
Fish NF31.3
North Fork American at Ponderosa Bridge
Fish NF18.4
North Fork American below Middle Fork American Confluence
Fish NF31.3
North Fork American at Ponderosa Bridge
Fish MF26.2
Middle Fork American above Ralston
Fish NFMF2.3
North Fork Middle Fork American at Circle Bridge
Fish R3.5
Rubicon at Long Canyon
Fish NF53.7
Upper North Fork American
Fish R20.9
Rubicon at Ellicott Bridge
Fish NF53.7
Upper North Fork American
Comparison Site
Description
Bypass Reach
Comparison
Study Sites
Peaking Reach
Table AQ 2-3. Validity of Comparison Study Sites and their Associated Bypass and Peaking Reach Study Sites Based on Physical Habitat Characteristics.
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
Validity of Study Site Comparison
Rationale
By Length
By Area
Poor
Poor
Dissimilar channel type, slope, and pool depth. Similar wetted width.
Poor
Poor
Dissimilar channel type, slope, wetted width, and pool depth.
Moderate
Moderate
Good
Good
Similar channel type, slope, wetted width, and pool depth.
Good
Poor
Similar channel type, slope, and pool depth. Dissimilar wetted width.
Moderate
Moderate
Good
Good
Similar channel type, slope, wetted width, and pool depth.
Good
Good
Similar channel type, slope, wetted width, and pool depth.
Good
Good
Similar channel type, slope, wetted width, and pool depth.
Good-Moderate
Good-Moderate
Similar channel type, wetted width, and pool depth. Moderatly dissimilar slope.
Good-Moderate
Good-Moderate
Similar channel type, wetted width, and pool depth. Moderatly dissimilar slope.
10
Similar channel type, wetted width, and pool depth. Dissimilar slope.
Similar channel type and slope. Dissimilar wetted width and pool depth.
Water Temperature
11