Refereed Publications
(excluding abstracts, *undergraduate, **graduate student)
| 2000-present | 1990-1999 | 1980-1989 | 1970-1979 |
2000-present
Leech**, D.M., W. Boeing**, S.L. Cooke**, C.E. Williamson, and L. Torres*. 2009. UV-enhanced fish predation and the differential migration of zooplankton in response to UV radiation and fish. Limnology and Oceanography 54:1152-1161. PDF
Rose**, K.C., C.E. Williamson, J.E. Saros, R. Sommaruga, and J.M. Fischer. 2009. Differences in UV transparency and thermal structure between alpine and subalpine lakes: implications for organisms. Photochemical & Photobiological Sciences, doi:10.1039/ B905616E.
Rose**, K.C., C.E. Williamson, G. Schladow, M. Winder, and J.T. Oris. 2009. Patterns of Spatial and Temporal Variability of Transparency in Lake Tahoe, CA/NV. J. Geophys. Res. Biogeosciences 114:G00D03, doi:10.1029/2008JG000816, 2009.
Williamson, C.E. and P.J. Neale. 2009. Ultraviolet Light. In: Gene E. Likens, (Editor) Encyclopedia of Inland Waters. Volume 2, pp. 663-642; Oxford: Elsevier.
Williamson, C.E. and J.R. Reid. Copepoda. 2009. In: Gene E. Likens, (Editor) Encyclopedia of Inland Waters. Volume 3, pp. 705-714; Oxford: Elsevier.
Williamson, C.E., J.E. Saros, W.F. Vincent, and J.P. Smol. 2009. Lakes and reservoirs as sentinels, integrators, and regulators of climate change. Limnology and Oceanography 54: 2273-2282.
Winn**, N., C.E. Williamson, R. Abbitt, K.C. Rose**, W. Renwick, M. Henry, and J.E. Saros. 2009. Modeling dissolved organic carbon (DOC) in subalpine and alpine lakes with GIS and remote sensing. Landscape Ecology 24:807-816.
Williamson, C.E. and K.C. Rose. 2009. Ultraviolet Insights: Attempting to resolve enigmatic patterns in pelagic freshwaters- the historical context and a view to the future. Internat. Rev. Hydrobiol. 94: 129-142.
Williamson, C.E., J.E. Saros, and D.E. Schindler. 2009. Sentinels of Change. Science 323: 887-888. Summary and Full Text
Williamson, C. E., and J. E. Saros. 2008. What do lakes and reservoirs tell us about climate change? EOS Transactions of the American Geophysical Union 89:546.
Peters, S.C., R. Lockwood*, C.E. Williamson, and J.E. Saros. 2008. Using elemental ratios of calcium and strontium to track calcium availability in the freshwater cladoceran Daphnia pulicaria. J. Geophys. Res. Biogeosciences DOI 10.1029/2008JG000.
**Scott, C.E, J.E. Saros, C.E. Williamson, S.C. Peters, and D.L. Mitchell. 2008. Effects of nutrients and dissolved organic matter on the response of phytoplankton to ultraviolet radiation: experimental comparison in spring versus summer. Hydrobiologia 619:155-166.
Kessler, K., R.S. Lockwood*, C.E. Williamson, and J.E. Saros. 2008. Vertical distribution of zooplankton in subalpine and alpine lakes: Ultraviolet radiation, fish predation, and the transparency-gradient hypothesis. Limnology and Oceanography 53: 2374-2382. PDF
Williamson, C. E., W. Dodds, T. K. Kratz, and M. Palmer. 2008. Lakes and streams as sentinels of environmental change in terrestrial and atmospheric processes. Frontiers in Ecology and the Environment 6:247-254. PDF
Cooke**, S. L., C. E. Williamson, D. M. Leech**, W. J. Boeing** and L. Torres*. 2008. Effects of temperature and ultraviolet radiation on diel vertical migration of freshwater crustacean zooplankton. Can. J. Fish. Aquat. Sci. 65:1144-1152.
Williamson, C.E., H.J. De Lange, D. M. Leech**. 2007. Do zooplankton contribute to an ultraviolet radiation clear-water phase in lakes? Limnology and Oceanography 52: 662-667. PDF
Persaud**, A., R.E. Moeller, C.E. Williamson and C.W. Burns. 2007. Photoprotective compounds in weakly and strongly pigmented copepods and co-occurring cladocerans. Freshwater Biology 52: 2121-2133.
**Connelly, S. J.; E.A.** Wolyniak, C.E. Williamson, and K.L. Jellison.2007. Artificial UV-B and solar radiation reduce in vitro infectivity of the human pathogen Cryptosporidium parvum. Environ. Sci. Technol. 41: 7101-7106. PDF
Connelly**, S.J., E.A. **Wolyniak, K.L. *Dieter, C.E. Williamson, and K.L. Jellison. 2007. Impact of zooplankton grazing on the excystation, viability, and infectivity of the protozoan pathogens Cryptosporidium parvum and Giardia lamblia. Applied and Environmental Microbiology 73:7277-7282.
Belmont**, P., B.R. Hargreaves, D.P. Morris, and C.E. Williamson. 2007. Estimating attenuation of ultraviolet radiation in streams: Field and laboratory methods. Photochemistry and Photobiology 83: 1339-1347.
Fischer, J.M., J. Nicolai*, C.E. Williamson, A.D. Persaud**, and R.S. Lockwood*. 2006. Effects of ultraviolet radiation on diel vertical migration of crustacean zooplankton: an in situ mesocosm experiment. Hydrobiologia 563: 217-224.
Cooke**, S.L., C.E. Williamson, B.R. Hargreaves and D.P. Morris. 2006. Beneficial and detrimental interactive effects of dissolved organic matter and ultraviolet radiation on zooplankton in a transparent lake. Hydrobiologia 568: 15-28.
Cooke**, S.L., C.E. Williamson and J.E. Saros. 2006. How do temperature, dissolved organic matter, and nutrients influence the response of Leptodiaptomus ashlandi to UV radiation in a subalpine lake? Freshwater Biology 51: 1827-1837.
Cooke**, S.L. and C.E. Williamson. 2006. Positive effects of UV radiation on a calanoid copepod in a transparent lake: do competition, predation, or food availability play a role? Journal of Plankton Research. 28: 171-179. PDF
Palen**, W.J., C.E. Williamson, A.A. Clauser**, and D.E Schindler. 2005. Impact of UV-B exposure on amphibian embryos; linking species physiology and oviposition behaviour. Proceedings of the Royal Society B 272:1227-1234.
Saros, J.E., S.J. Interlandi, S. Doyle, T.J. Michel**, and C.E. Williamson. 2005. Are the deep chlorophyll maxima in alpine lakes primarily induced by nutrient availability, not UV avoidance? Arctic Antarctic and Alpine Research 37:557-563.
Leech**, D. M., A. T. Padeletti*, and C. E. Williamson. 2005. Zooplankton behavioral responses to solar UV radiation vary within and among lakes. Journal of Plankton Research 27:461-471. PDF
Doyle**, S., J. E. Saros, and C. E. Williamson. 2005. Interactive effects of temperature and nutrient limitation on the response of alpine phytoplankton growth to ultraviolet radiation. Limnology and Oceanography 50:1362-1367. PDF
Leech**, D.M., C.E. Williamson, R.E. Moeller, and B.R. Hargreaves. 2005. Effects of ultraviolet radiation on the seasonal vertical distribution of zooplankton: a database analysis. Archiv fur Hydrobologie: 162:445-464.
Moeller, R.E., S. Gilroy*, C.E. Williamson, G. Grad, and R. Sommaruga. 2005. Dietary acquisition of photoprotective compounds (mycosporine-like amino acids, carotenoids) and acclimation to ultraviolet radiation in a freshwater copepod. Limnology and Oceanography: 50: 427-439. PDF
Persaud**, A.D., and C.E. Williamson. 2005. Ultraviolet and temperature effects on planktonic rotifers and crustaceans in northern temperate lakes. Freshwater Biology 50: 467-476.
Huff**, D.D., G. Grad, and C.E. Williamson. 2004. Environmental constraints on spawning depth of yellow perch: The roles of low temperature and high solar ultraviolet radiation. Transactions of the American Fisheries Society 133:718-726 .
Boeing**, W.J., D.M. Leech**, C.E. Williamson, S. Cooke** , and L. Torres*. 2004. Damaging UV radiation and invertebrate predation: conflicting selective pressures for zooplankton vertical distribution in the water column of low DOC lakes. Oecologia 138: 603-612.
MacFadyen**, E.J., C.E. Williamson, G. Grad, M. Lowery, W.H. Jeffrey, and D.L. Mitchell. 2004. Molecular response to climate change: Temperature dependence of UVR-induced DNA damage and repair in the freshwater crustacean Daphnia pulicaria. Global Change Biology 10:408-416.
Grad, G., B.J. Burnett*, and C.E. Williamson. 2003. UV damage and photoreactivation: timing and age are everything. Photochemistry and Photobiology 78:225-227.
Williamson, C.E., and H.E. Zagarese. 2003. UV effects on aquatic ecosystems: A changing climate perspective. Pages 547-567 in “UV effects in aquatic organisms and ecosystems” E.W. Helbling and H.E. Zagarese (eds.); Book in the Comprehensive Series in Photosciences, Donat-P. Häder and Giulio Jori (Series Editors).
De Lange, H. J., D. P. Morris, and C. E. Williamson. 2003. Solar ultraviolet photodegradation of DOC may stimulate freshwater food webs. J. Plankton Research 25:111-117. PDF
Williamson, C.E., G. Grad, S. Gilroy*, H.J. De Lange, and D. M. Karapelou*. 2002. Temperature dependent ultraviolet responses in zooplankton: Implications of climate change. Limnology and Oceanography 47: 1844-1848. PDF
Williamson, C. E., P. J. Neale, G. Grad, H. J. De Lange, and B.R. Hargreaves. 2001. Beneficial and detrimental effects of UV on aquatic organisms: implications of spectral variation. Ecol. Applic. 11: 1843-1857. PDF
Zagarese, H.E., and C.E. Williamson. 2001. The implications of solar UV radiation for fish and fisheries. Fish and Fisheries 2: 250-260.
Williamson, C. E., O. G. Olson**, S. E. Lott*, N. D. Walker*, D. R. Engstrom, and B. R. Hargreaves. 2001. Ultraviolet radiation and zooplankton community structure following deglaciation in Glacier Bay, Alaska. Ecology 82: 1748-1760. PDF
Williamson, C. E., and J. W. Reid. 2001. Copepoda. In: Thorp, J. H. and A. Covich. Ecology and Classification of North American Freshwater Invertebrates. Chapter 22. pp. 915-954.
Leech**, D. M., and C. E. Williamson. 2001. In situ exposure to UV radiation alters the depth distribution of Daphnia. Limnology and Oceanography 46: 416-420. PDF
Grad, G., C.E. Williamson, and D. Karapelou*. 2001. Zooplankton survival and reproduction responses to damaging UV radiation: A test of reciprocity and photoenzymatic repair. Limnology and Oceanography 46: 584-591. PDF
Schulze, P. C., H. E. Zagarese, and C. E. Williamson. 2000. A simple in situ continuous culture system for zooplankton. Ver. Internat. Verein. Limnol. 27:1915-1918.
Leech**, D. M., and C. E. Williamson. 2000. Is tolerance to UV radiation in zooplankton related to body size, taxon, or lake transparency? Ecological Applications 10: 1530-1540. PDF
Zagarese, H. E., and C. E. Williamson. 2000. Impact of solar UV radiation on zooplankton and fish. Pages 279-309 in: De Mora, S. J., S. Demers, and M. Vernet (Eds.) “The effects of UV radiation in the marine environment”; Cambridge Environmental Chemistry Series 10, Cambridge University Press, New York, NY.
1990-1999
Gutiérrez-Rodríguez**, C., and C. E. Williamson.1999. Influence of solar ultraviolet radiation on early life history stages of the bluegill sunfish, Lepomis macrochirus. Env. Biol. Fishes. 55: 307-319.
Frost, T.M., P.K. Montz, T.K. Kratz, T. Badillo, P.L. Brezonik, M.J. Gonzalez, R.G. Rada, C.J. Watras, K.E. Webster, J.G. Wiener, C.E. Williamson, D.P. Morris. 1999. Multiple stresses from a single agent: Diverse responses to the experimental acidification of Little Rock Lake, Wisconsin. Limnol.Oceanog 44: 784-794. PDF
Williamson, C. E., D. P. Morris, M. L. Pace, and O.G. Olson**. 1999. Dissolved organic carbon and nutrients as regulators of lake ecosystems: Resurrection of a more integrated paradigm. Limnol. Oceanogr. 44:795-803. PDF
Williamson, C.E., B.R. Hargreaves, P.S. Orr*, and P.A. Lovera*. 1999. Does UV radiation play a role in changes in predation and zooplankton community structure in acidified lakes? Limnol. Oceanogr. 44:774-783. PDF
Zagarese, H.E., C.E. Williamson, T.L. Vail**, O. Olson**, and C. Queimalinos**. 1997. Long-term exposure of Boeckella gibbosa (Copepoda, Calanoida) to "in situ" levels of solar UV-B radiation. Freshwat. Biol. 37:99-106
Williamson, C.E., S.L. Metzgar, P.A. Lovera*, and R.E. Moeller. 1997. Solar ultraviolet radiation and the spawning habitat of yellow perch, Perca flavescens. Ecol. Applic. 7:1017-1023. PDF
Zagarese, H.E., Feldman, M.**, and Williamson, C.E. 1997. UV-B-induced damage and photoreactivation in three species of Boeckella (Copepoda, Calanoida). J. Plankton Research 19:357-367. PDF
Williamson, C.E. 1996. Effects of UV radiation on freshwater ecosystems. Int. J. Env. Studies
Williamson, C.E., R.S. Stemberger, D.P Morris, T.M. Frost, and S. Paulsen. 1996. Ultraviolet radiation in North American lakes: Attenuation estimates from DOC measurements and implications for plankton communities . Limnol. Oceanogr. 41:1024-1034. PDF
Williamson, C.E., R.W. Sanders, R.E. Moeller, and P.L. Stutzman**. 1996. Utilization of sub-surface food resources by zooplankton: Implications for diel vertical migration theory. Limnol. Oceanogr. 41: 224-233. PDF
Sanders, R.W., C.E. Williamson, P.L. Stutzman**, R.E. Moeller, C.E. Goulden, and R.B. Aoki. 1996. Differential use of microbial food resources for reproduction by co-occurring zooplankton. Limnol. Oceanogr. 41:1295-1305. PDF
Morris, D.P., Zagarese, H.E., Williamson, C.E., Balseiro, E.G., Hargreaves, B.R., Modenutti, B., Moeller, R, and Queimalinos, C. 1995. The attenuation of solar UV radiation in lakes and the role of dissolved organic carbon. Limnol. Oceanogr. 40: 1381-1391. PDF
Schulze, P.C., C.E. Williamson, and B.R. Hargreaves. 1995. Evaluation of a remotely operated vehicle (ROV) as a tool for studying the distribution and abundance of zooplankton. J. Plankton Res. 17: 1233-1243.
Williamson, C.E. 1995. What role does UV-B radiation play in freshwater ecosystems? Limnol. Oceanogr. 40: 386-392. PDF
Schulze, P.C., H.E. Zagarese, and C.E. Williamson. 1995. Competition between crustacean zooplankton in continuous cultures. Limnol. Oceanogr. 40: 33-45. PDF
Zagarese, H.E., and C.E. Williamson. 1994. Modeling the impacts of UV-B radiation on ecological interactions in freshwater and marine ecosystems. In: Biggs, R.H., and M.E.B. Joyner. "Stratospheric ozone depletion/UV-B radiation in the biosphere. NATO ASI Series 1: Global Environmental Change 18: 315-328. Springer-Verlag, New York.
Zagarese, H.E., C.E. Williamson, M. Mislivets*, and P. Orr*. 1994. The vulnerability of Daphnia to UV-B radiation in the Northeastern United States. Arch. Hydrobiol. Beih. Ergebn. Limnol. 43: 207-216.
Siebeck, O., T. Vail**, C. Williamson, R. Vetter, D. Hessen, H. Zagarese, E. Little, E. Balseiro, B. Modenutti, J. Seva*, and A. Shumate*. (1994). Impact of UV-B radiation on zooplankton and fish in pelagic freshwater ecosystems. Arch. Hydrobiol. Beih. Ergebn. Limnol. 43: 101-114.
Williamson,C.E. and H.E. Zagarese. 1994. Opening remarks: The impact of UV-B radiation on pelagic freshwater ecosystems. Archiv Hydrobiol. Ergebn. Limnol. 43: IX-XI.
Williamson, C.E., and H.E. Zagarese (Eds.) 1994. Impact of UV-B radiation on pelagic freshwater ecosystems. Arch. Hydrobiol. Beih. Ergebn. Limnol. 43: 1-226.
Williamson, C.E., H.E. Zagarese, P.C. Schulze, B.R. Hargreaves, J. Seva*. 1994. Impact of short-term exposure to UV-B radiation on zooplankton communities in north temperate lakes. J. Plankton Res. 16: 205-218.
Williamson, C.E.. 1993. Linking predation risk models with behavioral mechanisms: Identifying population bottlenecks. Ecology 74: 320-331. PDF
Smith, S.L., R.R. Pieper, M.V. Moore, L.G. Rudstam, C.H. Greene, J.E. Zamon, C.N. Flagg, and C.E. Williamson. 1992. Acoustic techniques for the in situ observation of zooplankton. Arch. Hydrobiol. Beih. Ergebn. Limnol. 36: 23-43.
Sprules, W.G., P.C. Schulze, and C.E. Williamson, (eds.) 1992. Advanced techniques for in situ studies of zooplankton abundance, distribution, and behavior. Arch. Hydrobiol. Beih. Ergebn. Limnol. 36: 140 pp.
Schulze, P.C., C.E. Williamson, and W.G. Sprules. 1992. Concluding remarks: a comparison of acoustic devices, towed particle counters, and video systems. Arch. Hydrobiol. Beih. Ergebn. Limnol. 36: 135-140.
Williamson, C.E., P.C. Schulze, and W.G. Sprules. 1992. Opening remarks: The need for advanced techniques for in situ studies of zooplankton. Arch. Hydrobiol. Beih. Ergebn. Limnol. 36: V-VII.
Williamson, C.E. 1991. Copepoda. Chapter 21 in: Thorp, J.H., and A.P. Covich (eds.). Ecology and Classification of North American Freshwater Invertebrates; pp. 787-822. Academic Press Inc.
Williamson, C.E., and M.E. Stoeckel**. 1990. Estimating predation risk in zooplankton communities: the importance of vertical overlap. Hydrobiologia 198: 125-131.
Schoeneck**, L.J., C.E. Williamson, and M.E. Stoeckel**. 1990. Diel periodicity and selectivity in the feeding rate of the predatory copepod Mesocyclops edax. J. Plankton Res. 12: 29-40.
1980-1989
Williamson, C.E., M.E. Stoeckel**, and L.J. Schoeneck**. 1989. Predation risk and the structure of freshwater zooplankton communities. Oecologia 79: 76-82.
Williamson, C.E., and H.A. Vanderploeg. 1988. Predatory suspension-feeding in Diaptomus: Prey defenses and the avoidance of cannibalism. Bull. Mar. Sci. 43: 561-572.
Williamson, C.E., and N.M. Butler**. 1987. Temperature, food, and mate limitation of copepod reproductive rates: separating the effects of multiple hypotheses. J. Plankton Res. 9: 821-836.
Williamson, C.E. 1987. Predator-prey interactions between omnivorous diaptomid copepods and rotifers: the role of prey morphology and behavior. Limnol. Oceanogr. 32: 167-177. PDF
Williamson, C.E., and N.M. Butler**. 1986. Predation on rotifers by the suspension-feeding calanoid copepod Diaptomus pallidus. Limnol. Oceanogr. 31: 393-402. PDF
Williamson, C.E. 1986. The swimming and feeding behavior of Mesocyclops. Hydrobiologia 134: 11-19.
Williamson, C.E., N.M. Butler**, and L. Forcina*. 1985. Food limitation in naupliar and adult Diaptomus pallidus. Limnol. Oceanogr. 30: 1283-1290. PDF
Williamson**, C.E. 1984. Laboratory and field experiments on the feeding ecology of the freshwater cyclopoid copepod, Mesocyclops edax. Freshwat. Biol. 14: 575-585.
Williamson**, C.E. 1983. Behavioral interactions between a cyclopoid copepod predator and its prey. J. Plankton Res. 5: 701-711.
Williamson, C.E. 1983. Invertebrate predation on planktonic rotifers. Hydrobiologia 104: 385-396.
Gilbert, J.J. and C.E. Williamson. 1983. Sexual dimorphism in zooplankton (Copepoda, Cladocera, and Rotifera). Ann. Rev. Ecol. Syst. 14: 1-33.
Williamson**, C.E. and R.E. Magnien**. 1982. Diel vertical migration in Mesocyclops edax: Implications for predation rate estimates. J. Plankton Res. 4: 329-339.
Williamson**, C.E. 1981. Foraging behavior of a freshwater copepod: frequency changes in looping behavior at high and low prey densities. Oecologia 50: 332-336.
Williamson**, C.E. 1981. The feeding ecology of the freshwater cyclopoid copepod Mesocyclops edax. Ph.D. Dissertation, Dartmouth College.
Williamson**, C.E. 1980. The predatory behavior of Mesocyclops edax: Predator preferences, prey defenses, and starvation-induced changes. Limnol. Oceanogr. 25: 903-909. PDF
Williamson**, C.E., and J.J. Gilbert. 1980. Variation among zooplankton predators: The potential of Asplanchna, Mesocyclops, and Cyclops to attack, capture and eat various rotifer prey. In: Kerfoot, W.C. (ed.). Evolution and Ecology of Zooplankton Communities. Am. Soc. Limnol. Oceanogr. Spec. Symp. 3: 509-517. Univ. Press New England.
Frost, T.M., and C.E. Williamson**. 1980. In situ determination of the effect of symbiotic algae on the growth of the freshwater sponge Spongilla lacustris. Ecology 61: 1361-1370.
Williamson**, C.E. 1980. Phased cell division in natural and laboratory populations of marine planktonic diatoms. J. Exp. Mar. Biol. Ecol. 43: 271-279.
1970-1979
Williamson**, C.E. and G.L. Williamson**. 1979. Life-cycles of lotic populations of Spongilla lacustris and Eunapius fragilis (Porifera: Spongillidae). Freshwat. Biol. 9: 543-553.
Williamson**, C.E. 1979. An ultrastructural investigation of algal symbiosis in white and green Spongilla lacustris (L.) Porifera: Spongillidae). Trans. Amer. Micros. Soc. 98: 59-77.
Williamson**, C.E. 1979. Crayfish predation on freshwater sponges. Am. Midl. Nat. 101: 245-246.
Gilbert, J.J., and C.E. Williamson**. 1978. Predator-prey behavior and its effect on rotifer survival in associations of Mesocyclops edax, Asplanchna girodi, Polyarthra vulgaris, and Keratella cochlearis. Oecologia 37: 13-22.
Williamson**, C.E. 1977. Fluorescence identification of zoochlorellae: A rapid method for investigating alga-invertebrate symbioses. J. Exp. Zool. 202: 187-194.