Carbaryl, Carbofuran, and Methomyl - National Marine Fisheries ...

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Region Pacific Northwest: Coastal Drainages Pacific Northwest: Puget Sound Southwest Coast USGS Subregion Willamette River Basin Oregon- Washington Coastal Basin Accounting Unit Washington Coastal Northern Oregon Coastal Southern Oregon Coastal 208 State HUC no. — OR 170900 ESU Upper Willamette Chinook; Upper Willamette Steelhead; Lower Columbia Chinook; Lower Columbia Steelhead; Lower Columbia Coho WA 171001 Ozette Lake Sockeye OR 171002 Oregon Coast Coho OR 171003 Puget Sound — WA 171100 Klamath- Northern California Coastal Sacramento River Basin San Joaquin River Basin San Francisco Bay Northern California Coastal Klamath River Basin Lower Sacramento River Basin CA 180101 CA, OR 180102 CA 180201 — CA 180400 — CA 180500 Oregon Coast Coho; Southern Oregon and Northern California Coast Coho Puget Sound Chinook; Hood Canal Summer - Run Chum; Puget Sound Steelhead Southern Oregon and Northern California Coast Coho; California Coastal Chinook; Northern California Steelhead; Central California Coast Steelhead; Central California Coast Coho Southern Oregon and Northern California Coast Coho Central Valley Spring-run Chinook; California Central Valley Steelhead; Sacramento River Winterrun Chinook California Central Valley Steelhead Central California Coast Steelhead; Southern Oregon and Northern California Coast Coho; Central California Coast Coho; Sacramento River Winter-run Chinook
Region USGS Subregion Central California Coastal Southern California Coastal Accounting Unit Ventura- San Gabriel Coastal Laguna- San Diego Coastal 209 State HUC no. — CA 180600 CA 180701 CA 180703 ESU Central California Coast Steelhead; Southern Oregon and Northern California Coast Coho; South-Central California Coast Steelhead; Southern California Steelhead; Central California Coast Coho; Sacramento River Winterrun Chinook Southern California Steelhead Southern California Steelhead
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Ms. Debbie Edwards Director, Office
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National Marine Fisheries Service E
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Snake River Spring/Summer-Run Chino
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Commercial, Recreational, and Subsi
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Critical Habitat Risk Hypotheses ba
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Table of Figures Figure 1. Stressor
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Table of Tables Table 1. Registered
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Table 31. Area of Land Use Categori
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Table 67. . Examples of published f
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Agency: Activities Considered: Nati
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This Opinion is based on NMFS’ re
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activities that may improve EPA’s
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affect but is not likely to adverse
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On November 13, 2008, EPA provided
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On January 21, 2009, the agencies a
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in California, Idaho, Oregon, and W
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On that same date, EPA e-mailed NMF
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After registering a pesticide, EPA
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isk assessment. With these and othe
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Typically, formulations are combine
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EPA also issued generic and product
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pecans, peppers, pistachios, plums,
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Use Site plants, woody plants CRP a
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are subject to a four year phase-ou
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Table 2. Registered uses and applic
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mildews and other fungal diseases.
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methomyl are 32.4 lb a.i./acre/year
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would not likely adversely affect C
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In the final steps of our analyses,
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Evidence Available for the Consulta
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sustaining in the natural environme
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Stressors of the Action (see Figure
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Species Risk Hypotheses We construc
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habitats is then assessed. This por
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The problem formulation phase as ar
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Risk Characterization We follow the
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the probability of risk. In the Ris
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Figure 5. Map showing extent of inl
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Opinion. Summaries of the status an
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Chinook salmon are dependent on the
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Eureka Figure 6. CC Chinook salmon
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Table 6. CC Chinook salmon--prelimi
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Table 7 identifies populations with
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The CV drainage as a whole is estim
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have greatly reduced or eliminated
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Portland Salem Figure 9. LCR Chinoo
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important life history type remains
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Table 9. UCR Chinook salmon - preli
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In the most recent five-year geomet
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Figure 11. Puget Sound Chinook dist
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Status and Trends Puget Sound Chino
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flow, temperature, sediment load, w
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San Francisco Figure 12. Sacramento
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of historic spawning areas. Additio
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Status and Trends SR fall-run Chino
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Critical Habitat Critical habitat f
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Portland Seattle Spokane Figure 14.
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and five-year old fish, after two t
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surface and ground water and degrad
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Life History UWR Chinook salmon exh
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Bay, California. Historically, chum
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quality in the freshwater, estuarin
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Life History Chum salmon return to
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catastrophic events. Overall, the p
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Figure 17. Hood Canal Summer-run Ch
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improvements in 2000, with upward t
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ground water and degrade water qual
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San Francisco Figure 18. CCC Coho s
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Information on the abundance and pr
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Table 16 identifies populations wit
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Life History Although run time vari
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programs. The three major river sys
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Data on population abundance and tr
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Figure 21. Oregon Coast Coho salmon
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Preliminary spawner survey data for
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channels, backwaters, terrace tribu
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Figure 22. Ozette Lake Sockeye salm
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the 1997 status review due to resam
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Seattle Portland Figure 23. SR Sock
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Adult returns to Redfish Lake durin
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esume migration in early spring to
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Central California Coast Steelhead
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Status and Trends The CCC steelhead
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San Francisco Figure 25. California
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and Jackson 1996; McEwan 2001). Ste
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Olympia Portland Salem Figure 26. L
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hatchery fish in naturally-spawning
Page 175 and 176: species includes the only populatio
Page 177 and 178: Life History Most MCR steelhead smo
Page 179 and 180: Critical Habitat Critical habitat w
Page 181 and 182: Eureka Figure 28. Northern Californ
Page 183 and 184: may affect steelhead migration patt
Page 185 and 186: Of the 21 populations in the Puget
Page 187 and 188: Seattle Spokane Figure 30. SR Basin
Page 189 and 190: and spawner estimates for the Tucan
Page 191 and 192: San Jose Figure 31. S-CCC steelhead
Page 193 and 194: Figure 32. Southern California stee
Page 195 and 196: extinction,” with the remaining 1
Page 197 and 198: Portland Figure 33. UCR Steelhead d
Page 199 and 200: “low” for the Wenatchee and Met
Page 201 and 202: Figure 34. UWR Steelhead distributi
Page 203 and 204: Molalla/Pudding, Yamhill, Tualatin,
Page 205 and 206: Natural Mortality Factors Available
Page 207 and 208: Marine Mammal Predation Marine mamm
Page 209 and 210: downstream of Bonneville Dam. Socke
Page 211 and 212: Oceanographic Features and Climatic
Page 213 and 214: coincides with relatively poor ocea
Page 215 and 216: from streams in watersheds with agr
Page 217 and 218: chemicals used has decreased (Table
Page 219 and 220: California, Idaho, Oregon, and Wash
Page 221 and 222: to disease, decrease the ability of
Page 223 and 224: characterized by emergent aquatic p
Page 225: subregions and accounting units for
Page 229 and 230: Table 31. Area of Land Use Categori
Page 231 and 232: Table 33. Land uses and population
Page 233 and 234: (Table 34). See species ESU/DPS map
Page 235 and 236: undeveloped sites in the Santa Ana
Page 237 and 238: and grazing. Dams and water diversi
Page 239 and 240: Artificial Propagation Anadromous f
Page 241 and 242: water resources is handled by Calif
Page 243 and 244: containers at time of use. • Cond
Page 245 and 246: Table 36. Area of land use categori
Page 247 and 248: Columbia River Basin The most notab
Page 249 and 250: Ranching practices have led to incr
Page 251 and 252: 17% of mainstem Yakima River sample
Page 253 and 254: detected in samples from all sites,
Page 255 and 256: Whitney 1979). Similarly, over one
Page 257 and 258: nation’s silver output has come f
Page 259 and 260: (USBR 1998 in (FCRPS 2008); providi
Page 261 and 262: The States of Oregon and Wasington
Page 263 and 264: Columbia River chum salmon are not
Page 265 and 266: including brown and brook trout, At
Page 267 and 268: density residential with some agric
Page 269 and 270: Although urban areas occupy only 2%
Page 271 and 272: Habitat Modification Much of the re
Page 273 and 274: Table 42. Pollutants of Concern in
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pugettensis). An NPDES permit is re
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Habitat loss through wetland fills
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afted and moved to market or downst
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Oregon is in the process of develop
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Effects of the Proposed Action The
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Carbaryl dissipates in the environm
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high water solubility, low Kow, and
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Table 46. Environmental fate charac
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Species General Life History Descri
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Table 48. Examples of registered us
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Table 49. PRZM-EXAMS exposure estim
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estimate do not represent the highe
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BE provides a peak EEC of 5.5 μg/L
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alcoves, channel edge sloughs, over
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Carbaryl can also be applied at 8 l
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habitat had a downwind width of 10
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Depth of aquatic habitat (meters) B
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monitored in California, Idaho, Ore
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5.2 μg/L for carbofuran, 0.0150 -
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Summary information for carbaryl, c
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after flooding (Nicosia, Carr et al
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pesticide concentrations in the dis
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flowing water habitats, it is not s
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egistered products that contain mor
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potential ingredients in tank mixtu
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low maximum application rate. Howev
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occupy shoreline habitats of only a
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vertebrates and invertebrates (Walk
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Temperature and toxicity We found n
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exposure concentrations. Moreover,
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Summary of Toxicity Information Pre
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at several times during an experime
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Table 64. Assessment endpoint toxic
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fish, number of eggs per mature fem
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varigatus), an estuarine species, b
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included a NOAEC of 9.8 μg/L and a
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730 μg/L for D. magna (freshwater
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TEP) are contained in Appendix D-1.
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the uncertainties related to experi
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capacity (Little and Finger 1990).
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consumed relative to unexposed fish
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24 hr exposure (Zinkl, Shea et al.
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We located studies that measured ol
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endpoints of salmonids remains a re
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items (Courtemanch and Gibbs 1980;
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single pulse of chlorpyrifos was in
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Table 65. Study designs and results
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Chemical Taxa/species Assessment me
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Chemical Taxa/species carbofuran ca
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Chemical Taxa/species carbofuran ca
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macroinvertebrate community did not
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Jardine, MacLatchy et al. 2005; Luo
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Risk Characterization In this secti
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survival appears to be the most sen
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factor in the degree of toxicity of
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Figure 41. Methomyl exposure concen
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Table 67. . Examples of published f
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Additionally, the macroinvertebrate
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Measured Concentrations in Willapa
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up to 100 m off the carbaryl applic
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average initial concentration from
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• Unrelated (0): Conclusive evide
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the fish to determine the cause of
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Dose-addition assumes the cumulativ
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Table 73. Predicted AChE inhibition
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habitats during aerial applications
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The second line of evidence is whet
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D. Impair swimming which leads to r
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F. Exposure to mixtures of carbaryl
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used surfactant/adjuvant mixed with
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In a second modeling exercise, we t
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Carbaryl’s thresholds for the fou
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Table 75. Modeled output for Stream
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Table 77. Modeled output for Sockey
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The likelihood of scenarios 2 and 3
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The three insecticides are highly t
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A. B. C. Figure 43. Probability plo
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elatively low survival EC50 values
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dominated by agricultural or urban
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Figure 45. Percent change in lambda
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Table 80. Multiple application scen
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Because olfaction plays an importan
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expect co-occurrence of the three i
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support one or more lifestages. For
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We attempted to compare expected co
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Cumulative Effects Cumulative effec
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entry into freshwater systems. Carb
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Integration and Synthesis The Integ
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carbofuran applications could cause
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The Status of Listed Resources and
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also exposed to poor water quality
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Given the life history of LCR Chino
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Chinook salmon. Furthermore, there
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all three a.i.s are expected to be
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completing migration to the Pacific
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The major threats to this ESU ident
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Land use data indicate that the Col
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Central California Coast Coho Salmo
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Pesticide use and detections in LCR
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effects. In several streams, one or
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ESU is evergreen forest. Between 19
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miles where agricultural crops are
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The Status of Listed Resources and
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carbofuran application to potatoes,
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The major threats to this DPS ident
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lowland areas (below 1,000 ft eleva
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consequences and subsequent populat
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and surface waters within the heavi
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1994). Most juvenile steelhead spen
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salmon, Northern California steelhe
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natural cover such as submerged and
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The precise change in the conservat
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coho salmon, LCR coho salmon, South
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Table 81. Jeopardy and Non-Jeopardy
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Reasonable and Prudent Alternatives
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The RPA is comprised of six require
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Table 83. Mandatory pesticide no ap
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items will die from these exposures
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action will attain this level in th
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proposed action. Therefore, inciden
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1. Minimize the amount and extent o
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met within the next 15 years, then
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Arunachalam, S., K. Jeyalakshmi, et
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Bortleson, G. C. and J. C. Ebbert (
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CDFG (1995). "Letter dated 30 March
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Davies, P. E. and L. S. J. Cook (19
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FCRPS (2008). "Endangered Species A
Page 531 and 532:
Haggerty, M. J., A. C. Ritchie, et
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IEPSPWT (1999). "Monitoring, assess
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government from 1896 to 1945." Repo
Page 537 and 538:
Matthews, G. M. and R. S. Waples (1
Page 539 and 540:
NMFS (2004). Five-year integrated p
Page 541 and 542:
PSAT (2004). "State of the Sound 20
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Schroder, S. L. (1977). "Assessment
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Tufts, D. F. (1990). "Control of bu
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Williams, A. K. and C. R. Sova (196
Page 549 and 550:
Introduction To assess the potentia
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ocean-type and stream-type Chinook
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incorporates empirical data when av
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given a percentile value of 50 (i.e
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species-appropriate growth period (
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For Figure 3C, an exposure pulse wo
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the n x n square matrix (A) by assi
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spawn (Pess et al. 2002). Survival
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distributed survival and reproducti
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Figure 1: Life-History Graphs and T
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Table 1. List of values used for co
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Table 4. Matrix transition element
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Figure 2. 555
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Figure 4. 557
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Brewer, S.K., Little, E.E., DeLonay
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Higgs, D.A., MacDonald, J.S., Levin
Page 581 and 582:
Morgan, M.J., and Kiceniuk, J.W. 19
Page 583 and 584:
Scholz, N.L., Truelove, N.K., Frenc
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Appendix 2. Species and Population
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Chinook Salmon (continued) ESU Popu
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Chum Salmon ESU Population λ - H=0
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Coho Salmon (continued) ESU Populat
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Steelhead (continued) DPS Populatio
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Appendix 3: Abbreviations 7-DADMax
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FQPA Food Quality Protection Act ft
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PPE Personal Protection Equipment P
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Appendix 4: Glossary 303(d) waters
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Salmon fall to head upriver to its
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Main channel The stream channel tha
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Smolt A juvenile salmon or steelhea
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WQS “A water quality standard def
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