• 1
    U.S. Forest Service. 2011. Nationwide Aerial Application of Fire Retardant: Draft Environmental Impact Statement. Washington, DC.
  • 2
    National Marine Fisheries Service. 2007. Endangered Species Act Section 7 Consultation Biological Opinion. The aerial application of eight long-term fire retardants on all Forest Service lands. Silver Springs, MD, USA.
  • 3
    Calfee RD, Little EE. 2003. The effects of ultraviolet-b radiation on the toxicity of fire-fighting chemicals. Environ Toxicol Chem 22: 15251531.
  • 4
    Buhl KJ, Hamilton SJ. 1998. Acute toxicity of fire-retardant and foam-suppressant chemicals to early life stages of Chinook salmon (Oncorhynchus tshawytscha). Environ Toxicol Chem 17: 15891599.
  • 5
    Buhl KJ, Hamilton SJ. 2000. Acute toxicity of fire-control chemicals, nitrogenous chemicals, and surfactants to rainbow trout. Trans Am Fisheries Soc 129: 408418.
  • 6
    Gaikowski MP, Hamilton SJ, Buhl KJ, McDonald SF, Summers CH. 1996. Acute toxicity of three fire-retardants and two fire-suppressant foam formulations to the early life stges of rainbow trout (Oncorhynchus mykiss). Environ Toxicol Chem 15: 13651374.
  • 7
    Erickson RJ, Nichols JW, Cook PM, Ankley GT. 2008. Bioavailability of chemical contaminants in aquatic systems. In Di Giulio RT, Hinton DE, eds, The Toxicology of Fishes. CRC, New York, NY, USA.
  • 8
    Fox WW. 1991. Policy on applying the definition of species under the Endangered Species Act to Pacific salmon (Notice of Policy). Fed Reg 56: 5861258618.
  • 9
    Folmar LC, Dickhoff WW. 1981. Evaluation of some physiological parameters as predictive indices of smoltification. Aquaculture 23: 309324.
  • 10
    Hoar WS. 1976. Smolt transformation: Evolution, behavior, and physiology. J Fisheries Res Board Can 33: 12341252.
  • 11
    Wedemeyer GA, Saunders RL, Clarke WC. 1980. Environmental factors affecting smoltification and early marine survival of anadromous salmonids. Mar Fisheries Rev 42: 114.
  • 12
    Lerner DT, Bjornsson BT, McCormick SD. 2007. Effects of aqueous exposure to polychlorinated biphenyls (Aroclor 1254) on physiology and behavior of smolt development of Atlantic salmon. Aquat Toxicol 81: 329336.
  • 13
    Monette MY, McCormick SD. 2008. Impacts of short-term acid and aluminum exposure on Atlantic salmon (Salmo salar) physiology: A direct comparison of parr and smolts. Aquat Toxicol 86: 216226.
  • 14
    Bjornsson BT, Stefansson SO, McCormick SD. 2011. Environmental endocrinology of salmon smoltification. Gen Comp Endocrinol 170: 290298.
  • 15
    Deane EE, Woo NYS. 2009. Modulation of fish growth hormone levels by salinity, temperature, pollutants and aquaculture related stress: A review. Rev Fish Biol Fisheries 19: 97120.
  • 16
    McCormick SD. 2009. Evolution of the hormonal control of animal performance: Insights from the seaward migration of salmon. Integr Comp Biol 49: 408422.
  • 17
    McCormick SD. 1993. Methods for nonlethal gill biopsy and measurement of Na+,K+-ATPase activity. Can J Fisheries Aquat Sci 50: 656658.
  • 18
    Fox JB. 1979. Kinetics and mechanisms of the Griess reaction. Anal Chem 51: 14931502.
  • 19
    Eaton AD, Clesceri LS, Rice EW, Greenberg AE. eds, 2005. Standard Methods for Examination of Water and Wastewater, 21st ed. American Public Health Association, Washington, DC.
  • 20
    Thurston RV, Russo RC, Emerson K. 1979. Aqueous ammonia equilibrium—Tabulation of percent un-ionized ammonia. EPA-600/3- 79-091. U.S. Environmental Protection Agency, Environmental Research Laboratory, Duluth, MN, p 440.
  • 21
    Emerson K, Russo RC, Lund RE, Thurston RV. 1975. Aqueous ammonia equilibrium calculations—Effect of pH and temperature. J Fisheries Res Board Can 32: 23792383.
  • 22
    Blackburn J, Clark WC. 1987. Revised procedure for the 24 hour seawater challenge test to measure seawater adaptaility of juvenile salmonids. Can Tech Rep Fisheries Aquat Sci 1515: 135.
  • 23
    Arkoosh MR, Boylen DA, Stafford CL, Johnson LL, Collier TK. 2005. Use of disease challenge assay to assess immunotoxicity of xenobiotics. In Ostrander GK, ed, Techniques in Aquatic Toxicology. Taylor and Francis, New York, NY, USA, pp 1938.
  • 24
    Fournie JW, Krol RM, Hawkins WE. 2000. Fixation of fish tissues. In Ostrander GK, ed, The Handbook of Experimental Animals: The Laboratory Fish. Academic, London, United Kingdom, pp 569578.
  • 25
    Bancroft JD, Stevens A. 1994. Manual of Histological Techniques and Their Diagnostic Applications. Churchill Livingstone, Edinburgh, UK.
  • 26
    Presnell JK, Schreibman MP. 1997. Humason's Animal Tissue Techniques, 5th ed. Johns Hopkins University, Baltimore, MD, USA.
  • 27
    Wedemeyer GA. 1996. Physiology of Fish in Intensive Culture. Chapman & Hall, International Thompson, New York, NY, USA.
  • 28
    Colt JE, Tomasso JR. 2001. Hatchery water supply and treatment. In Wedemeyer GA, ed, Fish Hatchery Management, 2nd ed. American Fisheries Society, Bethesda, Maryland, pp 91186.
  • 29
    Servizi JA, Gordon RW. 1990. Acute lethal toxicity of ammonia and suspended sediment mixtures to Chinook salmon (Oncorhynchus tshawytscha). Bull Environ Contam Toxicol 44: 650656.
  • 30
    Thurston RV, Meyn EL. 1984. Acute toxicity of ammonia to five fish species from the northwest United States. Technical Report 84-4. Montana State University, Bozeman MT, USA.
  • 31
    Hofer R, Jeney Z, Bucher F. 1995. Chronic effects of linear alkylbenzene sulfonate (las) and ammonia on rainbow-trout (Oncorhynchus mykiss) fry at water criteria limits. Water Res 29: 27252729.
  • 32
    Smart G. 1976. Effect of ammonia exposure on gill structure of rainbow trout (Salmo gairdneri). J Fish Biol 8: 471475.
  • 33
    Morgan M, Tovell PWA. 1973. Structure of gill of trout, Salmo gairdneri (Richardson). Z Zellforschung Mikrosk Anat 142: 147162.
  • 34
    Skidmore JF, Tovell PWA. 1972. Toxic effects of zinc sulfate on gills of rainbow trout. Water Res 6: 217228.
  • 35
    Ellis AE. 2001. Innate host defense mechanisms of fish against viruses and bacteria. Dev Comp Immunol 25: 827839.
  • 36
    Morris JM, Snyder-Conn E, Foott JS, Holt RA, Suedkamp MJ, Lease HM, Clearwater SJ, Meyer JS. 2006. Surivival of Lost River sucker (Deltistes luxatus) challenged with Flavobacterium columnare during exposure to sublethal ammonia concentrations at pH 9.5. Arch Environ Contam Toxicol 50: 256263.
  • 37
    Carballo M, Muńoz MJ, Tarazona JV. 1995. Effects of waterborne copper, cyanide, ammonia and nitrate on stress parameters and changes in susceptibility to saprolegniosis in rainbow trout (Oncorhynchus mykiss). Appl Environ Microbiol 61: 21082112.
  • 38
    Carballo M, Muńoz MJ. 1991. Effect of sublethal concentrations of four chemicals on susceptibility of juvenile rainbow trout (Oncorhynchus mykiss) to saprolegniosis. Appl Environ Microbiol 57: 18131816.
  • 39
    Ackerman PA, Wicks BJ, Iwama GK, Randall DJ. 2006. Low levels of environmental ammonia increase susceptibility to disease in Chinook salmon smolts. Physiol Biochem Zool 79: 695707.
  • 40
    Evans DH, Piermarini PM, Choe KP. 2005. The multifunctional fish gill: Dominant site of gas exchange, osmoregulation, acid-base regulation, and excretion of nitrogenous waste. Physiol Rev 85: 97177.