Cooperative Institute for Research in Environmental Sciences

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Publications

Publications are available in PDF format. Click on the entry to download the file.

  1. Lewis, W.M. Jr. 1970. Morphological adaptations of cyprinodontoids for inhabiting oxygen deficient waters. Copeia 1970: 319-326.
  2. Lewis, W.M. Jr. 1973. The thermal regime of Lake Lanao (Philippines) and its theoretical implications for tropical lakes. Limnology and Oceanography 18: 200-217.
  3. Lewis, W.M. Jr. 1973. A limnological survey of Lake Mainit, Philippines. Internationale Revue der gesamten Hydrobiologie 58: 801-818.
  4. Lewis, W.M. Jr. 1974. Evaluation of heat distribution in a South Carolina reservoir receiving heated water. Pp. 1-27 In: J.W. Gibbons and R.R. Sharitz (eds.). Thermal Ecology. TIS, Washington, D.C.
  5. Lewis, W.M. Jr. 1974. Running waters of the tropics. Pp. 90-92 In: E. Farnworth and F.B. Golley (eds.) Fragile Ecosystems. Springer-Verlag.
  6. Lewis, W.M. Jr. 1974. Primary production in the plankton community of a tropical lake. Ecological Monographs 44: 377-409.
  7. Lewis, W.M. Jr. 1974. Effects of fire on nutrient movement in a South Carolina pine forest. Ecology 55: 1120-1127.
  8. Lewis, W.M. Jr. 1974. An analysis of surface slicks in a reservoir receiving heated effluent. Archiv fur Hydrobiologie 74: 304-315.
  9. Lewis, W.M. Jr. and J.A. Tyburczy. 1974. Amounts and spectral properties of dissolved organic compounds from some freshwaters of the southeastern U.S.. Archiv fur Hydrobiologie 74: 8-17.
  10. Lewis, W.M. Jr. l975. Distribution and feeding habits of a tropical Chaoborus population. Verh. Int. Ver. Limnol. 19: 3l06-3ll9.
  11. Lewis, W.M. Jr. 1975. A theoretical comparison of the attenuation of light energy and quanta in waters of divergent optical properties. Archiv fur Hydrobiologie 75:235-296.
  12. Lewis, W.M. Jr. 1975. Effects of forest fires on atmospheric loads of soluble nutrients. Pp. 833-845 In: F.G. Howell, J.B. Gentry and M.H. Smith (eds.). Mineral Cycling in Southeastern Ecosystems. Tech. Info. Center, USERDA, Washington, D.C.
  13. Lewis, W.M. Jr. 1975. Observations on the superficial sediment temperatures of some lakes in the southeastern United States. Freshwater Biology 6: 49-57.
  14. Lewis, W.M. Jr. and F.H. Weibezahn. 1976. Chemistry, energy flow, and community structure in some Venezuelan fresh waters. Archiv fur Hydrobiologie Supplement 50:145-207.
  15. Lewis, W.M. Jr. and D. Canfield. 1977. Dissolved organic carbon in some dark Venezuelan waters and a revised equation for spectrophotometric determination of dissolved organic carbon. Archiv fur Hydrobiologie 79: 441-45.
  16. Lewis, W.M. Jr. 1976. Surface/volume ratio: Implications for phytoplankton morphology. Science 192: 885-887.
  17. Lewis, W.M. Jr. 1977. Net growth rate through time as an indicator of ecological similarity among phytoplankton species. Ecology 58:149-157.
  18. Lewis, W.M. Jr. 1978. Analysis of succession in a tropical phytoplankton community and a new measure of succession rate. The American Naturalist 112(984): 401-414.
  19. Lewis, W.M. Jr. 1978. A compositional, phytogeographical and elementary structural analysis of the phytoplankton in a tropical lake. Journal of Ecology 66: 213-226.
  20. Lewis, W.M. Jr. 1977. Feeding selectivity of a tropical Chaoborus population. Freshwater Biology 7: 311-325.
  21. Lewis, W.M. Jr. 1977. Comments on zooplankton grazing in Lake Erken. Limnology and Oceanography 22: 966-967.
  22. Lewis, W.M. Jr. 1977. Ecological significance of the shapes of abundance-frequency distributions for coexisting phytoplankton species. Ecology 58: 850-859.
  23. Lewis, W.M. Jr. and M.C. Grant. 1978. Sampling and chemical interpretation of precipitation for mass balance studies. Water Resources Research 14:1098-1104.
  24. Lewis, W.M. Jr. and J.F. Saunders, III. 1979. Two new integrating samplers for zooplankton, phytoplankton, and water chemistry. Archiv fur Hydrobiologie 75: 244-249.
  25. Lewis, W.M. Jr. 1978. Comparison of temporal and spatial variation in the zooplankton of a lake by means of variance components. Ecology 59: 666-671.
  26. Lewis, W.M. Jr. 1980. Evidence for stable zooplankton community structure gradients maintained by predation. Pp. 625-634 In: American Society of Limnology and Oceanography, Special Symposium #3. "The Evolution and Ecology of Zooplankton Communities," C. Kerfoot (ed.), The University Press of New England, Hanover.
  27. Lewis, W.M. Jr. 1979. Spatial distribution of the phytoplankton in a tropical lake (Lake Lanao, Philippines). Internationale Revue der gesamten Hydrobiologie 63: 619-635.
  28. Lewis, W.M. Jr. 1978. Dynamics and succession of the phytoplankton in a tropical lake: Lake Lanao, Philippines. Journal of Ecology 66: 849-880.
  29. 29. Lewis, W.M. Jr. 1979. Zooplankton Community Analysis. Springer-Verlag, New York. 163 p.
  30. Infante, O., A. Infante, M. Marquez, W.M. Lewis, Jr., and F.H. Weibezahn. 1979. Conditions leading to mass mortality of fish and zooplankton in Lake Valencia, Venezuela. Acta Cientifica 30: 67-73.
  31. Lewis, W.M. Jr. and M.C. Grant. 1980. Acid precipitation in the Western United States. Science 206: 176-177.
  32. Epp, R.W. and W.M. Lewis, Jr. 1979. Metabolic responses to temperature change in the tropical freshwater copepod (Mesocyclops brasilianus) and their adaptive significance. Oecologia 43: 123-128.
  33. Epp, R.W. and W.M. Lewis, Jr. 1979. Sexual dimorphism in Brachionus plicatilis (Rotifera): evolutionary and adaptive significance. Evolution 33: 919-928.
  34. Grant, M.C. and W.M. Lewis, Jr. l982. Chemical loading rates from the precipitation in the Colorado Rockies. Tellus 34: 74-88.
  35. Lewis, W.M. Jr. and M.C. Grant. 1980. Changes in the output of ions from a watershed as a result of the acidification of precipitation. Ecology 60: 1093-1097.
  36. Lewis, W.M. Jr. and M.C. Grant. 1980. Relationships between stream discharge and yield of dissolved substances from a mountain watershed. Soil Science 128: 353-363.
  37. Lewis, W.M. Jr. and M.C. Grant. 1980. Relationship between snow cover and winter losses of dissolved substances from a mountain watershed. Arctic and Alpine Research 12: 11-17.
  38. Lewis, W.M. Jr. and F.H. Weibezahn. 1982. Acid rain and major seasonal variation of hydrogen ion loading in a tropical watershed. Acta Cientifica 32: 236-238.
  39. Lewis, W.M. Jr. l98l. Precipitation chemistry and nutrient loading by precipitation in a tropical watershed. Water Resources Research 17: 169-181.
  40. Lewis, W.M. Jr. and F.H. Weibezahn. 1981. Chemistry of a 7.5-meter sediment core from Lake Valencia, Venezuela. Limnology and Oceanography 26: 907-924.
  41. Lewis, W.M. Jr. and W. Riehl. 1982. Phytoplankton composition and morphology in Lake Valencia, Venezuela. Internationale Revue der gesamten Hydrobiologie 67: 297-322.
  42. Epp, R.W. and W.M. Lewis, Jr. 1980. The nature and ecological significance of metabolic changes during the life history of copepods. Ecology 61: 259-264.
  43. Epp, R.W. and W.M. Lewis, Jr. 1980. Metabolic uniformity over the environmental temperature range in Brachionus plicatilis (Rotifera). P. 145-147 In: H.J. Dumont and J. Green, (eds.). Proceedings of the Second International Rotifer Symposium. Dr. W. Junk, The Hague.
  44. Lewis, W.M. Jr. and F.H. Weibezahn. 198l. The chemistry and phytoplankton of the Orinoco and Caroni rivers, Venezuela. Archiv fur Hydrobiologie 91: 521-528.
  45. Lewis, W.M. Jr. and M.C. Grant. 198l. Effect of the May-June Mount St. Helens eruptions on precipitation chemistry in central Colorado. Atmospheric Environment 15: 1539-1542.
  46. Lewis, W.M. Jr. 1982. Changes in pH and buffering capacity of lakes in the Colorado Rockies. Limnology and Oceanography 27: 167-172.
  47. Lewis, W.M. Jr. l983. Temperature, heat, and mixing in Lake Valencia, Venezuela. Limnology and Oceanography 28: 273-286.
  48. Lewis, W.M. Jr. and M.C. Grant. 1980. Effect of urban sources on acid precipitation in the western United States. Science 210: 1043.
  49. Epp, R.W. and W.M. Lewis, Jr. 1981. Photosynthesis in copepods. Science 214: 1349-1350.
  50. Lewis, W.M. Jr. l982. Vertical eddy diffusivities in a large tropical lake. Limnology and Oceanography 27: 161-163.
  51. Bradbury, J.P., B. Leyden, M. Salgado-Labouriau, W.M. Lewis, Jr., C. Schubert, M.W. Binford, D.G. Frey, and D.R. Whitehead. 1981. Late quaternary environmental history of Lake Valencia, Venezuela. Science 214: 1299-1305.
  52. Lewis, W.M. Jr. 1983. Interception of atmospheric fixed nitrogen as an adaptive advantage of scum formation in blue-green algae. Journal of Phycology 19: 534-536.
  53. Lewis, W.M. Jr. 1983. Water budget of Lake Valencia, Venezuela. Acta Cientifica 34: 248-251.
  54. Lewis, W.M. Jr. and F.H. Weibezahn. 1983. Phosphorus and nitrogen loading of Lake Valencia. Acta Cientifica 34: 345-349.
  55. Epp, R.W. and W.M. Lewis, Jr. l984. Cost and speed of locomotion for rotifers. Oecologia 61: 289-292.
  56. Lewis, W.M. Jr. l983. Interruption of synthesis as a cost of sex in small organisms. The American Naturalist 121: 825-833.
  57. Lewis, W.M. Jr. l983. Collection of airborne materials by a water surface. Limnology and Oceanography 28: 1242-1246.
  58. Lewis, W.M. Jr. l983. A revised classification of lakes based on mixing. Canadian Journal of Fisheries and Aquatic Science 40: 1779-1787.
  59. Lewis, W.M. Jr. l984. The diatom sex clock and its evolutionary significance. The American Naturalist 123: 73-80.
  60. Lewis, W.M. Jr. l984. A five-year record of the thermal and mixing properties of a tropical lake (Lake Valencia, Venezuela). Archiv fur Hydrobiologie 99: 340-346.
  61. Unger, P.A. and W.M. Lewis, Jr. l983. Selective predation in a population of the planktivorous fish, Xenomelaniris venezuelae (Atherinidae). Ecology 64: 1136-1144.
  62. Cressa, C. and W.M. Lewis, Jr. l984. Growth and development patterns in a tropical Chaoborus species and their ecological significance. Archiv fur Hydrobiologie 100: 21-28.
  63. Levine, S.N. and W.M. Lewis, Jr. l984. Diel variation of nitrogen fixation in Lake Valencia, Venezuela. Limnology and Oceanography 29: 887-893.
  64. Lewis, W.M. Jr. and S.N. Levine. 1984. The light response of nitrogen fixation in Lake Valencia, Venezuela. Limnology and Oceanography 29: 894-900.
  65. Lewis, W.M. Jr., M.C. Grant, and J.F. Saunders, III. 1984. Chemical patterns of bulk atmospheric deposition in the State of Colorado. Water Resources Research 20: 1691-1704.
  66. Lewis, W.M. Jr., J.F. Saunders, III. 1984. Cross-sectional variation in the chemistry and suspended sediment load of the Orinoco River at Ciudad Bolivar. Acta Cientifica 35: 382-385.
  67. Lewis, W.M. Jr., J.F. Saunders, III, D.W. Crumpacker, Sr., and C. Brendecke. 1984. Eutrophication and Land Use: Lake Dillon, Colorado. Springer-Verlag, New York. 202 p.
  68. Lewis, W.M. Jr. 1986. Phytoplankton succession in Lake Valencia, Venezuela. Hydrobiologia 138: 189-203.
  69. Unger, P.A., W.M. Lewis, Jr., and D.H. McClearn. 1984. Nonvisual feeding in a visual planktivore, Xenomelaniris venezuelae. Oecologia 64: 280-283.
  70. Lewis, W.M. Jr., M.C. Grant, and S.K. Hamilton. 1985. Evidence that filterable phosphorus is a significant atmospheric link in the phosphorus cycle. Oikos 45: 428-432.
  71. Lewis, W.M. Jr. 1985. Nutrient scarcity as an evolutionary cause of haploidy. The American Naturalist 125: 692-701.
  72. Lewis, W.M. Jr. 1985. Protozoan abundances in the plankton of two tropical lakes. Archiv fur Hydrobiologie 104: 337-343.
  73. Levine, S.N. and W.M. Lewis, Jr. l985. The horizontal heterogeneity of nitrogen fixation in Lake Valencia, Venezuela. Limnology and Oceanography 30: 1240-1245.
  74. Lewis, W.M. Jr., T. Frost, and D. Morris. 1986. Studies of planktonic bacteria in Lake Valencia, Venezuela. Archiv fur Hydrobiologie 106: 289-305.
  75. Lewis, W.M. Jr. 1986. Evolutionary interpretations of allelochemical interactions in phytoplankton algae. The American Naturalist 127: 184-194.
  76. Levine, S.N. and W.M. Lewis, Jr. 1986. A numerical model of nitrogen fixation and its application to Lake Valencia, Venezuela. Freshwater Biology 17: 265-274.
  77. Lewis, W.M. Jr., J.F. Saunders, III, F.H. Weibezahn, and S.N. Levine. 1986. Organic carbon in the Caura River, Venezuela. Limnology and Oceanography 31: 653-656.
  78. Lewis, W.M. Jr. 1986. Nitrogen and phosphorus runoff losses from a nutrient-poor tropical moist forest. Ecology 67: 1275-1282.
  79. Lewis, W.M. Jr. and D.P. Morris. 1986. Toxicity of nitrite to fish: a review. Transactions of the American Fisheries Society 115: 183-195.
  80. Not used.
  81. Saunders, J.F. III and W.M. Lewis, Jr. 1986. A perspective on the use of cohort analysis to obtain demographic data for copepods. Limnology and Oceanography 32: 511-513.
  82. Cressa, C. and W.M. Lewis, Jr. 1986. Ecological energetics of Chaoborus in a tropical lake. Oecologia 70: 326-331
  83. Lundberg, J.G., W.M. Lewis, Jr., J.F. Saunders, III, and F. Mago-Leccia. 1987. A major food web component in the Orinoco River channel: Evidence from planktivorous electric fishes. Science 237: 81-83.
  84. Lewis, W.M. Jr., S.K. Hamilton, S. L. Jones, and D.D. Runnels. 1987. Major element chemistry, weathering and element yields for the Caura River drainage, Venezuela. Biogeochemistry 4: 159-181.
  85. Saunders, J.F. III and W.M. Lewis, Jr. 1988. Zooplankton abundance in the Caura River, Venezuela. Biotropica 20: 206-214.
  86. Hamilton, S.K. and W.M. Lewis, Jr. 1987. Causes of seasonality in the chemistry of a lake on the Orinoco River floodplain, Venezuela. Limnology and Oceanography 32: 1277-1290.
  87. Saunders, J.F. III and W.M. Lewis, Jr. 1988. Dynamics and control mechanisms in a tropical zooplankton community (Lake Valencia, Venezuela). Ecological Monographs 48: 337-353.
  88. Saunders, J.F. III and W.M. Lewis, Jr. 1988. Zooplankton abundance and transport in a tropical white-water river. Hydrobiologia 162: 147-155.
  89. Twombly, S. and W.M. Lewis, Jr. 1987. Zooplankton abundance and species composition in Laguna la Orsinera, a Venezuelan floodplain lake. Archiv fur Hydrobiologie Supplement 79: 87-107.
  90. Lewis, W.M. Jr. 1988. Primary production in the Orinoco River. Ecology 69: 679-692.
  91. Lewis, W. M. Jr. 1987. The cost of sex. P. 33-57 In: S. Stearns (ed.) The Evolution of Sex and its Consequences. Birkhauser Verlag.
  92. Morris, D.P. and W.M. Lewis, Jr. 1988. Phytoplankton nutrient limitation in Colorado mountain lakes. Freshwater Biology 20: 315-327.
  93. Lewis, W.M. Jr., J.F. Saunders, III and R. Dufford. 1990. Suspended organisms and biological carbon flux along the lower Orinoco River. Pp. 269-300 In: F. Weibezahn, H. Alvarez, and W.M. Lewis, Jr. (eds). The Orinoco River as an Ecosystem. Impresos Rubel, Caracas. 430 p.
  94. Lewis, W.M. Jr. and J.F. Saunders III. 1990. Chemistry and element transport of the Orinoco main stem and lower tributaries. Pp. 211-240 In: F. Weibezahn, H. Alvarez, and W.M. Lewis, Jr. (eds). The Orinoco River as an Ecosystem. Impresos Rubel, Caracas. 430 p.
  95. Saunders, J.F. III and W.M. Lewis, Jr. 1988. Transport of phosphorus, nitrogen, and carbon by the Apure River, Venezuela. Biogeochemistry 5: 323-342.
    1. Mitton, J.B. and W.M. Lewis, Jr. 1989. Relationships between genetic variability and life-history features of bony fishes. Evolution 47: 1712-1723.
    2. Mitton, J.B. and W. M. Lewis, Jr. 1992. Response to Waples's comment on heterozygosity and life-history variation in bony fishes. Evolution 46: 576-577.
  97. Twombly, S. and W.M. Lewis, Jr. 1989. Factors regulating cladoceran dynamics in a Venezuelan floodplain lake. Journal of Plankton Research 11: 317-333.
  98. Lewis, W.M. Jr. 1987. Tropical limnology. Annual Review of Ecology and Systematics 18: 159-184.
  99. Saunders, J.F. III and W.M. Lewis, Jr. 1988. Composition and seasonality of the zooplankton community of Lake Valencia, Venezuela. Journal of Plankton Research 10: 957-985.
  100. Saunders, J.F. III and W.M. Lewis, Jr. 1989. Zooplankton abundance in the lower Orinoco River, Venezuela. Limnology and Oceanography 34: 397-409.
  101. Rodríguez, M.A., S.E. Richardson, and W.M. Lewis, Jr. 1990. Nocturnal behavior and aspects of the ecology of a driftwood catfish, Entomocorus gameroi (Auchenipteridae). Biotropica 22: 435-438.
  102. Lewis, W.M. Jr. and J.F. Saunders, III. 1989. Concentration and transport of dissolved and suspended substances in the Orinoco River. Biogeochemistry 7: 203-240.
  103. Unger, P.A. and W.M. Lewis, Jr. 1990. Population ecology of the pelagic fish, Xenomelaniris venezuelae (Atherinidae), in Lake Valencia. Ecology 72: 440-456.
  104. Meade, R.H., F.H. Weibezahn, W.M. Lewis, Jr., and D.P. Hernandez. 1990. Suspended-sediment budget for the Orinoco River. Pp. 55-80 In: F. Weibezahn, H. Alvarez, and W.M. Lewis, Jr. (eds.). The Orinoco River as an Ecosystem. Impresos Rubel, Caracas. 430 p.
  105. Lewis, W.M. Jr. 1989. Further evidence for anomalous size scaling of respiration in phytoplankton. Journal of Phycology 25: 395-397.
  106. Saunders, J.F. III and W.M. Lewis, Jr. 1989. Transport of major solutes and the relationship between solute concentrations and discharge in the Apure 8 River, Venezuela. Biogeochemistry 8: 101-113.
  107. Weibezahn, F., H. Alvarez, and W.M. Lewis, Jr. (eds.). 1990. The Orinoco River as an Ecosystem. Impresos Rubel, Caracas. 430 p.
  108. Lewis, W.M. Jr. 1988. Uncertainty in pH and temperature corrections for ammonia toxicity. Journal of Water Pollution Control Federation 60: 1922-1929.
  109. Hamilton, S.K., S.J. Sippel, W.M. Lewis, Jr., and J.F. Saunders, III. 1990. Zooplankton abundance and evidence for its reduction by macrophyte mats in two Orinoco floodplain lakes. Journal of Plankton Research 12: 345-363.
  110. Hamilton, S.K. and W.M. Lewis, Jr. 1990. Physical characteristics of the fringing floodplain of the Orinoco River, Venezuela. Interciencia 15: 491-500.
  111. Rodríguez, M.A. and W.M. Lewis, Jr. 1990. Diversity and species composition of fish communities of Orinoco floodplain lakes. National Geographic Research 6: 319-328.
  112. Lewis, W.M. Jr. 1991. Comparisons of phytoplankton biomass in temperate and tropical lakes. Limnology and Oceanography 35: 1838-1845.
  113. Hamilton, S.K. and W.M. Lewis, Jr. 1990. Basin morphology in relation to chemical and ecological characteristics of lakes on the Orinoco River floodplain, Venezuela. Archiv fur Hydrobiologie 119: 393-425.
  114. Lewis, W.M. Jr., F.H. Weibezahn, J.F. Saunders, III, and S.K. Hamilton. 1990. The Orinoco River as an ecological system. Interciencia 15: 346-357.
  115. Lewis, W.M. Jr., S.K. Hamilton, and J.F. Saunders, III. 1995 (2nd. Ed. 2004). Rivers of Northern South America. Pp. 219-256 in: C. Cushing and K. Cummins (eds.) Ecosystems of the World: Rivers. Elsevier, NY.
  116. Hamilton, S.K., J.M. Melack, M.F. Goodchild, and W.M. Lewis, Jr. 1991. Estimation of the fractal dimension of terrain from lake size distributions. Pp. 145-163 In: P.A. Carling and G.E. Petts (eds.). Lowland Floodplain Rivers: Geomorphological Perspectives. Wiley & Sons, Ltd.
  117. Rodríguez, M.A. and W.M. Lewis, Jr. 1994. Regulation and stability in of fish assemblages of neotropical floodplain lakes. Oecologia 99: 166-180.
  118. Hamilton, S.K., W.M. Lewis, Jr., and S. Sippel. 1992. Energy sources for aquatic animals in the Orinoco River floodplain: Evidence from stable isotopes. Oecologia 89: 324-330.
  119. Morris, D.P. and W.M. Lewis, Jr. 1992. Nutrient limitation of bacterioplankton growth in Lake Dillon, Colorado. Limnology and Oceanography 37: 1179-1192.
  120. Smith, L.K. and W.M. Lewis, Jr. 1992. Seasonality of methane emissions from five lakes and associated wetlands of the Colorado Rockies. Global Biogeochemistry Cycles 6: 323-358.
  121. Hamilton, S.K. and W.M. Lewis, Jr. 1992. Stable carbon and nitrogen isotopes in algae and detritus from the Orinoco River floodplain, Venezuela. Geochimica et Cosmochimica Acta 56: 4237-4246.
  122. Lewis, W.M. Jr. 1996. Defining the riparian zone: Lessons from the regulation of wetlands. Pp. 6-14 In: S.B. Laursen (ed.). At the Water=s Edge: The Science of Riparian Forestry. Proceedings from a conference held in Duluth, MN, June 19-20, 1995. U. of Minnesota Distribution Center, Duluth, MN.
  123. Not used.
  124. Lewis, W.M. et al. (9 authors). 1995. Challenges for limnology in North America: an assessment of the discipline in the 1990's. Bulletin of the American Society of Limnology and Oceanography 4:1-20.
  125. Friedman, J.M., M.L. Scott, and W.M. Lewis, Jr. 1995. Restoration of riparian forest using irrigation, artificial disturbance, and natural seedfall. Environmental Management 19: 547-557.
  126. Lewis, W.M. Jr. 1994. The ecological sciences and the public domain. University of Colorado Law Review 65: 279-292.
  127. Lewis, W.M. Jr. 1996. Tropical lakes: how latitude makes a difference. Pp. 43-64 In: F. Schiemer and K.T. Boland (eds.). Perspectives in Tropical Limnology. SPB Academic Publishers, Amsterdam, the Netherlands.
  128. Lewis, W.M. Jr. and J.F. Saunders, III. 1995. Improvements in stream ammonia models by simultaneous computation of extremes in flow and water chemistry. Environmental Science and Technology 29: 1796-1801.
  129. Friedman, J.M., W.R. Osterkamp, and W.M. Lewis, Jr. 1996. The role of vegetation and bedlevel fluctuations in the process of channel narrowing. Geomorphology 14: 341-351.
  130. Friedman, J.M., W.R. Osterkamp, and W.M. Lewis, Jr. 1996. Channel narrowing and vegetation development following a Great Plains flood. Ecology 77: 2167-2181.
  131. Arenz, R.F. Jr., W.M. Lewis, Jr., and J.F. Saunders, III. 1996. Determination of chlorophyll and dissolved organic carbon from reflectance data for Colorado reservoirs. International Journal of Remote Sensing 17: 1547-1566.
  132. Lewis, W.M. Jr. 1995. Limnology, as seen by limnologists. Water Resources Update 98: 4-8.
  133. Not used.
  134. Rodríguez, M.A. and W.M. Lewis, Jr. 1997. Structure of fish assemblages along environmental gradients in floodplain lakes of the Orinoco River. Ecological Monographs 67: 109-128.
  135. Smith, L.K., W.M. Lewis, Jr., J.P. Chanton, G. Cronin, and S.K. Hamilton. 2000. Methane emissions from the Orinoco River floodplain, Venezuela. Biogeochemistry 51: 113-140.
  136. Lewis, W.M. Jr. et al. (12 authors; National Research Council). 1995. Wetlands: Characteristics and Boundaries. National Academy Press, Washington, DC. 306 p.
  137. Lewis, W.M. Jr. et al (8 authors; National Research Council). 1996. River Resource Management in the Grand Canyon. National Academy Press, Washington, DC. 226 p.
  138. Sjodin, A., W.M. Lewis, Jr., and J.F. Saunders, III. 2001. Analysis of groundwater exchange for a large plains river in Colorado (USA). Hydrological Processes 15: 609-620.
  139. Sjodin, A., W.M. Lewis, Jr., and J.F. Saunders, III. 1997. Denitrification as a component of the nitrogen budget for a large plains river. Biogeochemistry 39: 327-342.
  140. Vavilova, V.V. and W.M. Lewis, Jr. 1999. Temporal and altitudinal variations in the attached algae of mountain streams in Colorado. Hydrobiologia 390: 99-106.
  141. McCutchan, J.H. Jr. and W.M. Lewis, Jr. 2001. Seasonal variation in stable isotope ratios of stream algae. Verh. Internat. Verein. Limnol. 27: 3304-3307.
  142. McCutchan, J.H. Jr., W.M. Lewis, Jr., and J.F. Saunders, III. 1998. Uncertainty in the estimation of stream metabolism from open-channel oxygen concentrations. Journal North American Benthological Soc. 17: 155-164.
  143. Lewis, W.M. Jr. 1998. Aquatic environments of the Americas: basis for rational use and management. Proceedings of the 4th International Congress on Environmental Issues 4: 250-257.
  144. Lewis, W.M. Jr., J.M. Melack, W.H. McDowell, M. McClain, and J.E. Richey. 1999. Nitrogen yields from undisturbed watersheds in the Americas. Biogeochemistry 46: 149-162.
  145. Skaggs, R.L., M.L. Aquin, W.M. Lewis, Jr. and J.W. Birks. 1998. Detection of argon by penning ionization and competitive absorption using a sensitized photoionization detector. Analytical Chemistry 70: 3493-3497.
  146. Niyogi, D.K., D.M. McKnight, and W.M. Lewis, Jr. 1999. Influences of water and substrate quality for periphyton in a montane stream affected by acid mine drainage. Limnology and Oceanography 44: 804-809.
  147. Downing, J.A., M. McClain, R. Twilley, J.M. Melack, J. Elser, N.N. Rabalais, W.M. Lewis, Jr., R.E. Turner, J. Corredor, D. Soto, A. Yanez-Arancibia, R.W. Howarth. 1999. The impact of accelerating land-use change on the N-cycle of tropical aquatic ecosystems: current conditions and projected changes. Biogeochemistry 47: 109-148.
  148. McCutchan, J.H. Jr., J.F. Saunders, III, W.M. Lewis, Jr. and M. C. Hayden. 2002. Effects of groundwater flux on open-channel estimates of stream metabolism. Limnology and Oceanography 47: 321-324.
  149. Lewis, W.M. Jr., S.K. Hamilton, M.A. Lasi, M. Rodriguez, and J.F. Saunders, III. 2000. Ecological determinism on the Orinoco floodplain. Bioscience 50: 681-692.
  150. Lewis, W.M. Jr. 2000. Basis for the protection and management of tropical lakes. Lakes and Reservoirs: Research and Management 5: 35-48.
  151. McCutchan, J.H. Jr., W.M. Lewis, Jr., C. Kendall, and C. C. McGrath. 2003. Variation in trophic shift for stable isotope ratios of carbon, sulfur, and nitrogen. Oikos 102: 378-390. See erratum: Oikos 111: 416.
  152. Lewis, W.M., Jr., S.K. Hamilton, M.A. Lasi, M. Rodriguez, and J.F. Saunders, III. 2001. Foodweb analysis of the Orinoco floodplain based on production estimates and stable isotope data. Journal of the North American Benthological Society 20: 241-254.
  153. Niyogi, D.K., W.M. Lewis, Jr., and D.M. McKnight. 2001. Litter breakdown in mountain streams affected by mine drainage: biotic mediation of abiotic controls. Ecological Applications 11: 506-516.
  154. Lewis, W.M., Jr. 2002. Yield of nitrogen from minimally disturbed watersheds of the United States. Biogeochemistry 57/58: 375-385.
  155. Niyogi, D.K., W.M. Lewis, Jr., and D.M. McKnight. 2002. Effects of stress from mine drainage on diversity, biomass, and function of primary producers in mountain streams. Ecosystems 5: 554-567.
  156. Lewis, W. M. Jr. 2001. Wetlands Explained. Wetland Science, Policy, and Politics in America. Oxford University Press, New York, NY.
  157. Niyogi, D.K., D. McKnight, and W.M. Lewis, Jr. 2002. Effects of mine drainage on breakdown of aspen litter in mountain streams. Water, Air, and Soil Pollution: Focus 2: 329-341.
  158. Niyogi, D.K., W.M. Lewis, Jr., and D.M. McKnight. 2003. Direct and indirect effects of mine drainage on bacterial processes in mountain streams. Journal of the North American Benthological Society 22: 276-291.
  159. Not used.
  160. Saunders, J. F. III and W. M. Lewis, Jr. 2003. Implications of climate variability for regulatory low flows in the South Platte Basin, Colorado. Journal of the American Water Resources Association 39: 33-45.
  161. McCutchan, J.H. Jr. and W.M. Lewis, Jr. 2002. Relative importance of carbon sources for macroinvertebrates in Rocky Mountain streams. Limnology and Oceanography 47: 742-752.
  162. Kaushal, S. and W.M. Lewis, Jr. 2003. Patterns in the chemical fractionation of organic nitrogen in Rocky Mountain streams. Ecosystems 6: 483-492.
  163. Lewis, W.M. Jr. 2002. Causes for the high frequency of nitrogen limitation in tropical lakes. Verh. Internat. Verein. Limnol. 28: 210-213.
  164. McCutchan, J.H. Jr., J.F. Saunders, III, A. L. Pribyl, and W.M. Lewis, Jr. 2003. Open-channel estimation of denitrification. Limnology and Oceanography Methods 1: 74-81.
  165. Niyogi, D.K., D. M. McKnight, and W. M. Lewis, Jr. 2002. Fungal communities and biomass in mountain streams affected by mine drainage. Archiv fur Hydrobiologie 155: 255-271.
  166. Not used.
  167. Lewis, W.M. Jr., 2002. Biology and water science. Pp. 127-146. In: Carl Kisslinger (ed.) CIRES, 1967-2002: Pioneering a Successful Partnership. Cooperative Institute for Research in Environmental Sciences. University of Colorado. Boulder, CO. 183 pp.
  168. Pribyl, A.L., J.H. McCutchan, Jr., W.M. Lewis, Jr., and J.F. Saunders, III. 2005. Whole-system estimation of denitrification in a plains river: a comparison of two methods. Biogeochemistry 73:439-455.
  169. Lewis, W.M. Jr. 2003. Klamath basin fishes: Argument is no substitute for evidence. Fisheries 28: 20-25.
  170. Lewis, W.M. Jr. (ed.). 2003. Water and Climate in the Western United States. University Press of Colorado. Boulder, CO. 286 p.
  171. Ortiz-Zayas, J.R., W.M. Lewis, Jr., J.F. Saunders, III, J. H. McCutchan, Jr. and F. N. Scatena. 2005. Metabolism of a tropical rainforest stream. Journal of the North American Benthological Society 24(4): 769-783.
  172. Not used.
  173. Saunders, J.F. III, M.S. Murphy, M.P. Clark, and W.M. Lewis, Jr. 2004. The influence of climate variation on the estimation of low flows used to protect water quality: a nationwide assessment. Journal of the American Water Resources Association 45: 1339-1349.
  174. Kaushal, S.S. and W.M. Lewis, Jr. 2005. Fate and transport of organic nitrogen in minimally disturbed montane streams of Colorado, USA. Biogeochemistry 74:303-321.
  175. Lewis, W.M. Jr. et al. 2004. NRC. Endangered and Threatened Fishes in the Klamath River Basin: Causes of Decline and Strategies for Recovery. National Academies Press, Washington, D.C.
  176. Kaushal, S.S., W.M. Lewis, Jr., and J.H. McCutchan, Jr. 2006. Land Use Change and Nitrogen Enrichment of a Rocky Mountain Watershed. Ecological Applications 16(1): 299-312.
  177. Not used.
  178. Lewis, W.M. Jr., J.F. Saunders, III, and J.H. McCutchan, Jr. 2008. Application of a nutrient- saturation concept to the control of algal growth in lakes. Lake and Reservoir Management 24: 41-46.
  179. Lewis, W.M. Jr. 2009. The Klamath Basin as a Proving Ground for the Endangered Species Act. Chapter 9 in: P. Limrick, A. Cowell, and S. Collinge (editors). Remedies for a New West: Healing Landscapes, Histories, and Cultures. University of Arizona Press, Tuscon AZ.
  180. Cronin, G., W.M. Lewis, Jr., and M.A. Schiehser. 2006. The influence of freshwater macrophytes on the littoral ecosystem structure and function of a young Colorado reservoir. Aquatic Botany 85:37-43.
  181. Rodriguez, M.A., Winemiller, K.O., Lewis, W. M. Jr. and D.C.T. Baechle. 2007. The freshwater habitats, fishes, and fisheries of the Orinoco River basin. Aquatic Ecosystem Health and Management: 10: 140-152.
  182. Lewis, W.M. Jr. 2004. Evaluating the importance of aquatic ecosystems. Arthur M. Sackler Colloquia of the National Academy of Sciences. Washington, DC. http://www.nasonline.org/site/PageServer?pagename=SACKLER_water&printer_friendly=1
  183. Lewis, W.M. Jr. 2007. Physical and Chemical Features of Tropical Flowing Waters. Pages 1-24 in: D. Dudgeon (ed.). Tropical Stream Ecology. Elsevier-Academic Press, New York.
  184. Lewis, W.M. Jr. 2005. Publishing Limnology, Now and Then. Limnology and Oceanography Bulletin 14:25-30.
  185. Lewis, W.M. Jr. 2005. Water-quality bugs and water-management buffalos. Colorado Water: 2005 (8): 11-12.
  186. Cronin, G., J.H. McCutchan, Jr., W.M. Lewis, Jr., and J. Pitlick. 2006. Use of Shields stress to reconstruct and forecast changes in river metabolism. Freshwater Biology 52: 1587-1601.
  187. McCutchan, J.H. Jr., and W.M. Lewis, Jr. 2006. Groundwater flux and open channel estimation of stream metabolism: response to Hall and Tank. Limnol. Oceanogr.: Methods 4: 213-215.
  188. Lewis, W. M. Jr.  2009.  Lakes as Ecosystems.  Vol 1; Pages 431-440 in: G. E. Likens (ed.).  Encyclopedia of Inland Waters.  Elsevier, Oxford, UK.
  189. Lewis, W. M. Jr.  2009.  Chemical Fluxes and Dynamics in River and Stream Ecosystems.  Vol 2; Pages 16-22 in: G. E. Likens (ed.).  Encyclopedia of Inland Waters.  Elsevier, Oxford, UK.
  190. Lewis, W.M., Jr. and W.W. Wurtsbaugh. 2008. Control of lacustrine phytoplan kton by nutrients: erosion of the phosphorus paradigm. Internat. Rev. Hydrobiol.93: 446-465.
  191. McGrath, C.C. and W.M. Lewis, Jr. 2007. Competition and predation as mechanisms for displacement of greenback cutthroat by brook trout. Transactions of the American Fisheries Society 136: 1381-1392.
  192. McCutchan, J.H. Jr. and W.M. Lewis, Jr. 2008. Spatial and temporal patterns of denitrification in an effluent-dominated plains river. Verh. Internat. Verein. Limnol. 30: 323-328.
  193. Lewis, W. M. Jr.  2009.  Ecological Zonation in Lakes.  Vol 1; Pages 416-422 in: G. E. Likens (ed.).  Encyclopedia of Inland Waters.  Elsevier, Oxford, UK.
  194. Higgins, T.M., J.H. McCutchan, Jr., and W.M. Lewis, Jr. 2008. Nitrogen ebullition in a Colorado plains river. Biogeochemistry 89: 367-377.
  195. Lewis, W. M. Jr.  2009.  The Ecological Niche in Aquatic Ecosystems.  Vol 1; Pages 411-415 in: G. E. Likens (ed.).  Encyclopedia of Inland Waters.  Elsevier, Oxford, UK.
  196. Lewis, W. M. Jr.  2010.  Biogeochemistry of tropical lakes.  Verh. Internat. Verein. Limnol30: 1595-1603.
  197. Higgins, T. M., J. H. McCutchan, Jr., and W. M. Lewis, Jr. 2009. Quantifying riverine sediment denitrification rates in situ with a novel, portable hyporheic chamber.Verh, Internat. Verein. Limnol. 30: 809-812.
  198. Lewis, W. M. Jr., and J. H. McCutchan, Jr.  2010.  Ecological responses to nutrients in streams and rivers of the Colorado mountains and foothills.  Freshwater Biology 55: 1973-1983.
  199. Lewis, W.M., Jr. 2009. Inland Waters. Publisher unknown. (in progress).
  200. Gardner, E.M., D.M. McKnight, W.M. Lewis, Jr., and M.P. Miller. 2008. Nutrient enrichment on phytoplankton in and alpine lake, Colorado, U.S.A. Arctic, Antarctic, and Alpine Research 40: 55-64.
  201. Segura, C., J. H. McCutchan, Jr., W. M. Lewis, Jr., and J. Pitlick. 2010. The influence of channel bed disturbance on algal biomass in a Colorado Mountain stream. Ecohydrology 4: 411-421.
  202. Bradburn, M. J., W. M. Lewis, Jr., and J. H. McCutchan, Jr. 2012. Comparitive Adaptations of Aphanizomenon and Anabaena for N fixation under weak irradiance. Freshwater Biology 57: 1042-1049.
  203. Robertson, D. S., W. M. Lewis, Jr., P. M. Sheehan, and O. B. Toon. 2013. K/Pg Extinction: Re-evaluation of the Heat/Fire Hypothesis. Journal of Geophysical Research (in press).
  204. Rhoades, C. C., J. H. McCutchan, Jr., L. A. Cooper, D. W. Clow, T. M. Detmer, J. S. Briggs, J. D. Stednick, and W. M. Lewis, Jr. 2010. Biogeochemistry of Beetle Kill: Explaining a Weak Nitrate Response. PNAS (in press).
  205. Lewis, W. M., Jr., H. W. Paerl, and W. A. Wurtsbaugh. 2011. Rationale for Control of Anthropogenic Nitrogen and Phosphorus in Inland Waters. Environmental Science & Technology 45: 10300-10305.
  206. Lewis, W. M., Jr. 2011. Global primary production of lakes: 19th Baldi Memorial Lecture. Inland Waters 1: 1-28.
  207. Anthony, James L. and William M. Lewis, Jr. 2012 Low boundary layer responseand temperature dependance of nitrogen and phosphorus releases from oxic sediments of an oligotrophic lake. Aquatic Sciences 74: 611-617.
  208. Clow, D. W., C. Rhoades, J. Briggs, M. Caldwell, and W. M. Lewis, Jr. 2011. Responses of soil and water chemistry to mountain pine beetle induced tree mortality in Grand County, Colorado, USA. Appl. Geochem. 28: S174-S178.
  209. Lewis, W. M., Jr. and James H. McCutchan, Jr. 2013 Use of spectral component and experimental manipulations to diagnose changes in transparency of a Colorado Mountain Lake. (in progress).
  210. Robertson, D. S., W. M. Lewis, Jr., P. M. Sheehan, and O. B. Toon. 2013. K-Pg Extinction Patterns Observed in Marine and Freshwater Environments: the Impact Winter Model. Journal of Geophysical Research. (in preparation).