Mitigation for the Construction and Operation of Libby Dam

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Table A11. Mean zooplankton densities (no./l) (top line) and variances (bottom line) estimated from 10-20 m. vertical tows made in the Canada area of Libby Reservoir during 2002. Epischura and Leptodora were measured as number per m 3 . Month (N) Daphnia Bosmina Diaptomus Cyclops Leptodora Epischura Diaphanosoma April (3) 0.01 0.01 0.01 0.10 0.00 1.73 0.01 0.00 0.00 0.00 0.01 0.00 3.14 0.00 May (3) 0.22 0.17 0.13 1.53 1.89 67.53 0.08 0.07 0.02 0.03 2.86 10.68 1,931.37 0.01 July (3) 2.15 0.02 0.06 2.82 12.73 11.60 0.10 0.75 0.00 0.00 3.89 54.02 72.30 0.01 August (3) 2.41 0.02 0.40 10.95 1.90 31.12 0.78 1.03 0.00 0.00 25.49 7.29 2,905.99 0.22 September (3) 0.60 0.15 0.77 10.86 0.00 191.76 6.12 0.10 0.01 0.26 3.35 0.00 17,461.88 5.52 November (3) 3.15 1.37 1.36 3.32 0.00 95.18 0.09 11.95 1.43 2.27 4.24 0.00 16,299.22 0.01 Table A12. Mean zooplankton densities (no./l) (top line) and variances (bottom line) estimated from 10-20 m. vertical tows made in the Canada area of Libby Reservoir during 2001. Epischura and Leptodora were measured as number per m 3 . Month (N) Daphnia Bosmina Diaptomus Cyclops Leptodora Epischura Diaphanosoma April (3) 0.11 0.06 0.04 4.02 0.00 0.00 0.00 0.00 0.00 0.00 4.37 0.00 0.00 0.00 May (3) 0.23 0.50 0.02 10.02 0.24 62.24 0.01 0.08 0.17 0.00 88.93 0.17 3,105.76 0.00 June (3) 1.36 1.21 1.41 1.30 0.00 0.00 7.88 38.31 6.05 22.31 0.39 0.46 0.00 0.00 July (3) 3.28 3.12 0.05 0.00 0.10 0.00 4.78 3.92 7.55 33.20 6.22 116.19 0.04 0.00 August (3) 2.33 0.56 0.23 0.02 0.41 0.09 2.89 3.09 2.93 8.00 61.40 1,610.80 0.31 0.09 September (3) 5.47 12.65 0.56 0.36 0.50 0.03 3.77 2.51 3.12 5.79 102.47 16,696.95 0.72 0.80 October (3) 0.91 0.06 0.51 0.02 0.93 0.08 5.36 3.21 0.24 0.17 0.00 0.00 0.72 0.07 November (3) 1.59 0.87 0.24 0.03 1.00 0.45 8.19 42.09 0.00 0.00 52.15 984.09 0.12 0.01 157
Table A13. Yearly mean total zooplankton densities (no./l) (top line) and variances (bottom line) estimated from 10-20 m. vertical tows made in Libby Reservoir. Epischura and Leptodora were measured as number per m 3 . Year (N) Daphnia Bosmina Diaptomus Cyclops Leptodora Epischura Diaphanosoma 1997 1998 1999 2000 2001 2002 Mean 69 2.80 11.30 0.07 0.01 0.80 0.88 6.10 50.87 4.34 108.72 57.24 6,013.80 0.08 0.02 72 2.17 0.64 2.22 9.35 3.99 131.58 0.36 4.00 1.80 9.17 64.33 80.92 47,113.37 0.43 57 2.19 0.77 0.51 9.57 6.63 89.41 0.15 4.53 1.39 2.35 107.88 148.11 14,367.63 0.05 69 1.07 0.51 0.36 8.04 2.72 51.20 0.05 0.97 1.06 0.20 80.04 14.05 7,153.52 0.01 72 1.58 0.46 0.46 8.39 2.72 63.72 0.22 2.77 0.46 0.21 59.53 21.18 11,153.71 0.13 56 1.82 0.65 0.39 8.89 4.88 77.96 1.02 6.85 1.29 0.22 57.44 139.73 9,041.90 3.62 1.94 0.52 0.79 8.39 4.21 78.52 0.31 158
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Mitigation for the Construction and
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MITIGATION FOR THE CONSTRUCTION AND
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depth of burbot that were relocated
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ACKNOWLEDGEMENTS We are thankful to
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Juvenile Salmonid Population Estima
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deviation from reference conditions
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Figure 46. Minimal detectible diffe
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Chapter 2 Tables Table 1. Design sp
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INTRODUCTION Libby Reservoir was cr
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PROJECT HISTORY Montana Fish, Wildl
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2002 - Montana FWP collaborated wit
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DESCRIPTION OF STUDY AREA Subbasin
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Table 1. Current relative abundance
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Similar impacts have been observed
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2460 2440 2420 2400 2380 2360 2340
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construction and operation of Libby
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Chapter 1 Physical and Biological M
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Biological monitoring data was prov
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Figure 1. An aerial photograph of L
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antenna located approximately 5 cm
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We compared samples collected in Se
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extends downstream 131 m. This sect
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and reduced again to 28 ganged floa
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Results Bull Trout Redd Counts Grav
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Table 1. Bull trout redd survey sum
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Quartz Creek Bull trout redd counts
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Bull Trout Redds 40 35 30 25 20 15
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Keeler Creek Bull trout that spawn
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Burbot Monitoring Below Libby Dam T
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Table 2. Summary information for th
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7000 6000 5000 Y = 45.246e 0.0055x
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The Libby FWP Mitigation Staff surg
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Table 2. (Continued) Capture locati
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Figure 18. Capture locations for a
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Table 4. T-test results. This table
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Figure 19. Montana Mountain Metrics
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Table 5. T-test results. This table
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Juvenile Salmonid Population Estima
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Grave Creek Juvenile salmonid monit
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Number Fish per 1000 Feet 100 80 60
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Libby Creek Section 1 of Libby Cree
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Figure 28. Rainbow trout, brook tro
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Pipe Creek Juvenile rainbow trout w
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Table 6. Average length and weight
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Catch per Net A. Mountain Whitefish
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Table 8. Kamloops rainbow trout cap
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25000.0 20000.0 15000.0 10000.0 500
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Burbot per Trap Day 3 2.5 2 1.5 1 0
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Table 9. Average catch per net for
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Table 11. Percent composition of ma
Page 101 and 102: deviation = 0.052; Figure 43), with
Page 103 and 104: Table 12. Individual probability va
Page 105 and 106: Discussion Long-term monitoring of
Page 107 and 108: We believe that Libby Reservoir dur
Page 109 and 110: Figure 47. Minimal detectible diffe
Page 111 and 112: References Bahls, L., R. Bukantis,
Page 113 and 114: trout status report (below Kootenai
Page 115 and 116: Chapter 2 Stream Restoration and Mi
Page 117 and 118: food sources, as evidenced by the l
Page 119 and 120: Methods and Results Eureka Pond The
Page 121 and 122: spacing was 172.8 feet, which repre
Page 123 and 124: Figure 2. Vicinity Map for Upper Li
Page 125 and 126: Table 1. Design specifications for
Page 127 and 128: 70 60 50 40 30 20 10 0 500 1000 150
Page 129 and 130: Grave Creek Phase I Restoration Pro
Page 131 and 132: Table 4. Design specifications for
Page 133 and 134: 190.0 185.0 180.0 175.0 170.0 165.0
Page 135 and 136: educed the mean width and width to
Page 137 and 138: Table 7. Mean cross sectional area,
Page 139 and 140: Discussion The Grave Creek Phase I
Page 141 and 142: References Chisholm, I.M., M.E. Hen
Page 143 and 144: Appendix 148
Page 145 and 146: Table A2. Lower Grave Creek Demonst
Page 147 and 148: Table A4. Libby Creek depletion pop
Page 149 and 150: Table A7. Mean zooplankton densitie
Page 151: Table A9. Mean zooplankton densitie
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Mitigation for the Construction and Operation of Libby Dam

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