Biological Opinions - Bureau of Reclamation

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UKL Elevation (feet) Active Storage (acre-feet) UKL Elevation (feet) Active Storage (acre-feet) UKL Elevation (feet) Active Storage (acre-feet) 4140.44 285,421 4140.81 312,925 4141.18 341,280 4140.45 286,163 4140.82 313,669 4141.19 342,069 4140.46 286,904 4140.83 314,414 4141.20 342,858 4140.47 287,646 4140.84 315,160 4141.21 343,648 4140.48 288,388 4140.85 315,904 4141.22 344,437 4140.49 289,129 4140.86 316,649 4141.23 345,226 4140.50 289,872 4140.87 317,395 4141.24 346,015 4140.51 290,614 4140.88 318,139 4141.25 346,805 4140.52 291,355 4140.89 318,884 4141.26 347,594 4140.53 292,098 4140.90 319,630 4141.27 348,384 4140.54 292,840 4140.91 320,375 4141.28 349,174 4140.55 293,582 4140.92 321,120 4141.29 349,964 4140.56 294,325 4140.93 321,866 4141.30 350,753 4140.57 295,067 4140.94 322,612 4141.31 351,543 4140.58 295,810 4140.95 323,357 4141.32 352,333 4140.59 296,554 4140.96 324,103 4141.33 353,123 4140.60 297,297 4140.97 324,848 4141.34 353,913 4140.61 298,040 4140.98 325,595 4141.35 354,703 4140.62 298,784 4140.99 326,340 4141.36 355,493 4140.63 299,528 4141.00 327,086 4141.37 356,283 4140.64 300,272 4141.01 327,874 4141.38 357,073 4140.65 301,016 4141.02 328,662 4141.39 357,864 4140.66 301,759 4141.03 329,451 4141.40 358,654 4140.67 302,504 4141.04 330,238 4141.41 359,445 4140.68 303,247 4141.05 331,027 4141.42 360,235 4140.69 303,991 4141.06 331,815 4141.43 361,026 4140.70 304,736 4141.07 332,604 4141.44 361,817 4140.71 305,480 4141.08 333,392 4141.45 362,609 4140.72 306,224 4141.09 334,181 4141.46 363,400 4140.73 306,968 4141.10 334,969 4141.47 364,192 4140.74 307,712 4141.11 335,758 4141.48 364,984 4140.75 308,457 4141.12 336,546 4141.49 365,776 4140.76 309,202 4141.13 337,336 4141.50 366,567 4140.77 309,946 4141.14 338,124 4141.51 367,360 4140.78 310,690 4141.15 338,913 4141.52 368,151 4140.79 311,435 4141.16 339,702 4141.53 368,944 4140.80 312,180 4141.17 340,491 4141.54 369,735 485
UKL Elevation (feet) Active Storage (acre-feet) UKL Elevation (feet) Active Storage (acre-feet) UKL Elevation (feet) Active Storage (acre-feet) 4141.55 370,528 4141.92 400,910 4142.29 431,544 4141.56 371,320 4141.93 401,737 4142.30 432,372 4141.57 372,113 4141.94 402,564 4142.31 433,201 4141.58 372,904 4141.95 403,392 4142.32 434,031 4141.59 373,697 4141.96 404,218 4142.33 434,861 4141.60 374,489 4141.97 405,045 4142.34 435,691 4141.61 375,314 4141.98 405,873 4142.35 436,521 4141.62 376,139 4141.99 406,700 4142.36 437,351 4141.63 376,964 4142.00 407,528 4142.37 438,181 4141.64 377,789 4142.01 408,355 4142.38 439,012 4141.65 378,614 4142.02 409,183 4142.39 439,841 4141.66 379,439 4142.03 410,011 4142.40 440,671 4141.67 380,264 4142.04 410,839 4142.41 441,501 4141.68 381,088 4142.05 411,666 4142.42 442,332 4141.69 381,913 4142.06 412,494 4142.43 443,162 4141.70 382,739 4142.07 413,322 4142.44 443,993 4141.71 383,564 4142.08 414,150 4142.45 444,823 4141.72 384,389 4142.09 414,978 4142.46 445,654 4141.73 385,215 4142.10 415,805 4142.47 446,484 4141.74 386,040 4142.11 416,633 4142.48 447,315 4141.75 386,866 4142.12 417,461 4142.49 448,145 4141.76 387,691 4142.13 418,289 4142.50 448,976 4141.77 388,517 4142.14 419,117 4142.51 449,807 4141.78 389,343 4142.15 419,945 4142.52 450,638 4141.79 390,168 4142.16 420,774 4142.53 451,467 4141.80 390,994 4142.17 421,602 4142.54 452,298 4141.81 391,820 4142.18 422,430 4142.55 453,129 4141.82 392,644 4142.19 423,259 4142.56 453,960 4141.83 393,470 4142.20 424,087 4142.57 454,791 4141.84 394,296 4142.21 424,915 4142.58 455,622 4141.85 395,122 4142.22 425,744 4142.59 456,453 4141.86 395,948 4142.23 426,572 4142.60 457,284 4141.87 396,774 4142.24 427,400 4142.61 458,115 4141.88 397,601 4142.25 428,229 4142.62 458,946 4141.89 398,428 4142.26 429,057 4142.63 459,778 4141.90 399,255 4142.27 429,886 4142.64 460,609 4141.91 400,082 4142.28 430,715 4142.65 461,440 486
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National Marine Fisheries Service U
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7.4.5 LRS and SNS Population Dynami
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11.1.5 Critical Assumptions .......
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16 APPENDICIES ....................
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Table 8.2 UKL end-of-month elevatio
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LIST OF FIGURES Figure 3.1. The act
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Figure 11.17. Coho salmon fry habit
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ABBREVIATIONS AND ACRONYMS Abbrevia
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Abbreviation/Acronym YTEP WDFW WRIM
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In 2001, the Services issued BiOps
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Findings of Fact and Order of Deter
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proposed changes to the vegetation
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Figure 3.1. The action area for Rec
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4 PROPOSED ACTION Reclamation propo
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4.2 Element Two Operate the Project
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October 1 and March 1. The proposed
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Reclamation incorporated the 1981 t
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Provide Project irrigation deliveri
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Table 4.3. UKL fill rate adjustment
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Table 4.5. Calculation of fall/wint
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Flows below IGD are ultimately the
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The EWA, Project Supply, and UKL Re
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Table 4.8. Environmental Water Acco
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eleases somewhat on the ascending l
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fish disease, die off, entrainment,
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acre-feet when the Project Supply c
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Table 4.11. Monthly maximum Lower K
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4.2.4 Ramp-Down Rates at Iron Gate
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progresses and EWA volumes are upda
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O&M activities are carried out eith
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1. The A Canal has six headgates th
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Therefore, Reclamation proposes to
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coordinate with the NMFS to develop
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the confluence with Omogar Creek at
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though several major improvements t
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Sucker larvae transform into age-0
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units: (1) Clear Lake; (2) Tule Lak
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Figure 7.2. Adult spawning populati
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Table 7.1. Estimated LRS and SNS ad
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1905, Ch. 567, 33 Stat. 714). The P
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Figure 7.4 Modeled April through No
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7.9.2 Klamath Basin The Oregon Clim
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A change in mean precipitation rang
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Table 7.2 Impaired water bodies wit
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Table 7.3 Seasonal comparisons of p
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ammonia that is lethal to 50 percen
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Table 7.4 Estimated external phosph
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examination of juvenile suckers fro
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Evaluation of baseline hydrology in
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2012 1931 through 2012 12.6% 0.24 5
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The overall water year trend (Table
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Figure 7.7 Sprague River trends, wa
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Figure 7.9 Sprague River trends, wa
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Figure 7.12 Williamson River trends
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Figure 7.14 UKL trends, water years
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Figure 7.17 UKL: net inflow departu
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7.10.3.3 Competition and Predation
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By late July, surviving larval suck
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Threat Nature of Threat Life Stage
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2011) and increased adult spawning
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Based on the best available informa
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contrast, water levels began 1.5 ft
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evaporation and seepage estimated a
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prolonged low oxygen conditions if
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The April through September 4,034.6
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8 EFFECTS OF THE ACTION ON LOST RIV
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Although the volume of Project wate
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than 1 m), and fitting one or more
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Figure 8.3. UKL elevations at the e
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Services and Reclamation will deter
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For cumulative net inflow values be
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Figure 8.8. UKL elevations at the e
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Figure 8.10. UKL elevations at the
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Figure 8.12. UKL elevations at the
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natural and man-caused changes in i
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Table 8.1 UKL end-of-month surface
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UKL. Based on best available inform
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larvae in UKL. Annual production of
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Table 8.5 UKL end-of-month elevatio
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Based on our review of the literatu
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into the Pelican Bay water quality
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We assume that UKL surface elevatio
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vary by several orders of magnitude
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survival rates, we know that some o
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populations, and contains the large
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8.3.5.1 Effects to Adult Sucker Spa
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Table 8.8 Clear Lake surface elevat
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occur, especially in the west lobe.
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Table 8.9 End of the month surface
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8.3.7.4 Effects of Entrainment Loss
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The source of the sediment is unkno
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period when they migrate upstream t
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limited LRS and SNS persistence in
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term and localized and because fish
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8.5.1 Canal Salvage Reclamation pro
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high predation rates and failure of
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include the Klamath Basin Rangeland
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Figure 9.1 Designated CHUs for the
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These are discussed in greater deta
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The proposed action will have no ef
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No other spawning habitat exists be
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consulted on. Current monitoring da
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proposed action and this PCE suppor
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Because of a multi-decade lack of r
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Adverse effects of the proposed act
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that juvenile survival is most like
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elocation effort in Lake Ewauna to
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LRS and SNS population resiliency o
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stratum 4 (Interior Klamath) in whi
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Pacific salmonids Oncorhynchus spp.
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scenario, actions and elements of t
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flow prescriptions should mimic pro
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11.2.1 Current Condition of Critica
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11.2.2 Factors Affecting SONCC Coho
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e disoriented or displaced downstre
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enhancement, and rehabilitative act
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Water Temperature Sedimentation Org
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Figure 11.1 Longitudinal and season
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functioning floodplains that fail t
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downstream of IGD, (2) enhance coho
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few local ranchers and water distri
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in some tributaries, access to and
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11.3.7 Summary of Critical Habitat
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these two time periods, the effects
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consists of approximately 29,000 ac
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The PacifiCorp habitat conservation
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IGD, or used in constructed habitat
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estoration, watershed planning, sal
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Table 11.4. Modeled suspended sedim
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parasites Ceratomyxa shasta (causes
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that become infected is estimated t
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where snow water equivalent is proj
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minimizing disease risks, the detai
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Figure 11.4. Proposed action, histo
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Figure 11.6. Proposed action weekly
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Figure 11.9. Regression between EWA
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Figure 11.11. Proposed action and o
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Figure 11.12. Number of days per wa
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Figure 11.14. Monthly coefficient o
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IGD. The proposed action modeled da
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The results from Table 11.7 indicat
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likely to increase the quantity of
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habitat decreases between the Shast
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Table 11.9. Daily average mainstem
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Table 11.10. Daily average mainstem
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5% 3336 13176 27664 26168 30946 237
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The proposed action results in agri
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Figure 11.21. Monthly mean of daily
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Riparian restoration projects will
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expected to be typical riparian spe
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Table 11.13. Annual percent of proj
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esource needs as they grow, and 3)
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11.5.2 Klamath River Basin Adjudica
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coho salmon within the Klamath Rive
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aspects of a natural flow regime th
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element of coho salmon critical hab
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12.1.1.1 Risk Analyses for Endanger
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ESU DIVERSITY STRATA POPULATIONS IN
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eproduction, and distribution. The
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Figure 12.2. Historic population st
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the average ratio of IP-km to total
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Although long-term data on coho sal
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1980 1981 1982 1983 1984 1985 1986
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maintain viable abundances in many
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12.2.5.5 Viability Summary Though p
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coastal currents and upwelling, kno
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12.2.6.2 Marine Derived Nutrients M
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fisheries south of Cape Falcon, Ore
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12.3 Environmental Baseline of Coho
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water temperatures up to 19 ºC in
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some coho salmon smolts may stop mi
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threshold, all Klamath River coho s
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abundance threshold (Table 12.3). T
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mainstem Klamath and Trinity rivers
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Although there are risks to Klamath
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activities are generally beneficial
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12.4 Effects to Individuals The pro
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12.4.1.2 Response 12.4.1.2.1 Adults
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(2012) believes is representative o
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genotype II density of 5 spores/L w
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flows provide a limit to the increa
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polychaete and sediment disturbance
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which will likely result in a relat
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etween Trees of Heaven (RM 172) and
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action. Reclamation estimated that
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Based on literature, increased comp
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Table 12.6. Summary of risks result
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most juveniles. Stream flow diversi
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at most fish relocation sites, base
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higher, the minimally increased sed
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Small pulses of moderately turbid w
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Boulder faces in the deflector stru
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conditions may fail if those condit
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Adverse effects of the proposed act
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Potential Stressor Habitat Reductio
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Potential Stressor Elevated water t
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12.6.2 Effects of fitness consequen
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13 INCIDENTAL TAKE STATEMENT Sectio
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Table 13.1 Summary of maximum annua
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in fewer larvae and juveniles, and
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Table 13.2 Estimated annual maximum
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1.2.1.8. Incidental Take Caused by
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characteristics of aquatic species,
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Table 13.5 Expected annual Environm
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Cause of Incidental Take Habitat Re
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Clear Lake, Gerber Reservoir, and T
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This term and condition is requirin
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13.4 Mandatory Monitoring and Repor
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Required hydrologic monitoring incl
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Table 13.7. Summary of LRS and SNS
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T&C or Mandatory Monitoring Mandato
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Table 13.9 Summary of reporting and
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Table 13.10 Summary of meetings req
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the above QA/QC procedures describe
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Barry, P.M., E.C. Janney, D.A. Hewi
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Burdick, S.M. and J. Rasmussen. 201
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Dunsmoor, L., L. Basdekas, B. Wood,
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Garen, D. 2011, Upper Klamath Basin
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Janney, E.C., B.S. Hayes, D.A. Hewi
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Laenen, A., and A.P. LeTourneau. 19
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Miller, R.R., and G.R. Smith. 1981.
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Perkins, D.L., and G.G. Scoppettone
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(Deltistes luxatus) in Tule and Cle
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Terwilliger, M. 2006. Physical habi
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USBR [U.S. Bureau of Reclamation].
Page 451 and 452: Williams, J.E. 2000. Chapter 13. Th
Page 453 and 454: Arthington, A.H., S.E. Bunn, N.L. P
Page 455 and 456: Beeman, J., S. Juhnke, G. Stutzer a
Page 457 and 458: Brommer, J.E. 2000. The evolution o
Page 459 and 460: Department of the Army Regional Gen
Page 461 and 462: Chilcote, M. W. 2003. Relationship
Page 463 and 464: Dunsmoor LK, and Huntington CW. 200
Page 465 and 466: Foott, J.S., R. Stone, E. Wiseman,
Page 467 and 468: Habera, J.W., R.J. Strange, B.D. Ca
Page 469 and 470: Hemstreet, T. 2013. Electronic mail
Page 471 and 472: Jordan, M. S. 2012. Hydraulic predi
Page 473 and 474: Kostow, K. E., A. R. Marshall and S
Page 475 and 476: MacFarlane, R. B., S. Hayes, and B.
Page 477 and 478: Moyle, P. B. 2002. Inland Fishes of
Page 479 and 480: PacifiCorp Klamath Hydroelectric Pr
Page 481 and 482: Oregon Department of Environmental
Page 483 and 484: Puckridge, J. T., F. Sheldon, K. F.
Page 485 and 486: Ring, T.E. and B. Watson. 1999. Eff
Page 487 and 488: Sommer, T. R., M. L. Nobriga, W. C.
Page 489 and 490: Taylor, R. 1991. A review of local
Page 491 and 492: USFWS [U. S. Fish and Wildlife Serv
Page 493 and 494: Ward G, and Armstrong N. 2010. Asse
Page 495 and 496: Winker, K., J. H. Rappole, and M. A
Page 497 and 498: 77 FR 476. National Marine Fisherie
Page 499 and 500: UKL Elevation (feet) Active Storage
Page 501: UKL Elevation (feet) Active Storage
Page 505 and 506: 16.2 Appendix B: Elevation Flow Dat
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Page 509 and 510: Week of Water Year 1981 1982 1983 1
Page 527 and 528: Water Year October November Decembe
Page 533 and 534: 16.3 Appendix C: Description of Res
Page 535 and 536: 4. Removal of Small Dams (permanent
Page 537 and 538: Information regarding consideration
Page 539 and 540: 9. Piping Ditches a. Project Descri
Page 541 and 542: . Site-Specific Restrictions Restri
Page 543 and 544: 6. Protection Measures The followin
Page 545 and 546: to enter or be placed where they co
Page 547 and 548: shall be distributed throughout the
Page 549 and 550: weed free straw, silt fences) are i
Page 551 and 552: the project is located, and compris
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2. Post Construction Monitoring and
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Median Seasonal Flow (acre-feet) Me
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Median Seasonal Net Inflow (acre-fe
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16.5 Appendix E: Observed and Model
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Observed and modeled proposed actio
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Observed and modeled proposed actio
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16.6 Appendix F: Analyzing the rela
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Table 1. Paired comparison of the c
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Table 3. The difference in the mean
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