559 References: Sources of Illustrations Figures for: Relationship among osmotic, matric, and combined soil water potential; Volume of solids, water, and air in a loam soil at saturation, Þeld capacity, and wilting point. Adapted from Brady, N.C. and Weil, R.R. 1996. The Nature and Properties of Soils. Prentice-Hall, Upper Saddle River, New Jersey. Figure for: Stable carbon isotope ratios. Adapted from Boutton, T.W. 1991. Stable Carbon Isotope Ratios of Natural Materials: II. Atmospheric, Terrestrial, Marine, and Freshwater Environments. In D.C. Coleman and B. Fry (Eds.), Carbon Isotope Techniques . Academic Press, New York. Figure for: The rhizosphere. Adapted from Bolton, H. and Frederickson, J.K. 1993. In Metting, F.B. (Ed.) Soil Microbial Ecology: Applications in Agricultural and Environmental Management. Marcel Dekker, New York. Figure for: Typical growth phases of a bacterial population. Adapted from Brock, T.D., Smith, D.W., and Madigan, M.T. 1984. Biology of Microorganisms. Prentice-Hall, Englewood Cliffs, NJ. Figures for: Cambium; Illuviation; Mass movement of rock, soil and organic matter initiated by creep, fall, ßow, slide, and slump; Parts of a root; Perched water table; Types of folds. Adapted from Dunster, J. and Dunster, K. 1996. Dictionary of Natural Resource Management. CAB International, Wallingford, U.K. Figure for: Terrestrial Ecozones of Canada (Appendix E). Adapted from Ecological StratiÞcation Working Group. 1996. A National Ecological Framework for Canada. Agriculture and Agri-Food Canada, Research Branch, Centre for Land and Biological Resources Research and Environment Canada, State of Environment Directorate, Ottawa. Figure for: The greenhouse effect. Adapted from Janzen, H.H., Desjardins, R.L., Asselin, J.M.R. and Grace, B. (Eds.) 1998. The Health of Our Air: Toward Sustainable Agriculture in Canada. Research Branch, Agriculture and Agri-Food Canada, Ottawa. Figures for: A soil bacterium; Conidia; Hypha; Mycelium; Representatives of the soil protozoa. Adapted from Killham, K. 1994. Soil Ecology. Cambridge University Press. Cambridge, U.K. Figures for: Nutrient diffusion; Root interception. Adapted from Ontario Ministry of Agriculture, Food and Rural Affairs. 1998. Soil Fertility Handbook. Publication 611. Queen’s Printer for Ontario. Toronto. Figure for: Association of arbuscular mycorrhizal fungi and soil aggregate of a plant root. Adapted from Paul, E.A. and Clark, F.E. 1996. Soil Microbiology and Biochemistry . 2nd ed. Academic Press. London. Figures for: Different degrees of soil development found in a catena; Shoulder, backslope, and footslope landform elements; Flowlines in areas of proÞle plan curvature; Basic slope morphological units. Pennock, D.J. 2001. Personal communication. University of Saskatchewan. Saskatoon, Saskatchewan. Figure for: The global carbon cycle. Adapted from Schmiel, D. 1995. Terrestrial ecosystems and the carbon cycle. Global Change Biol. 1:77-91. Figures for: Soil texture classes; Types, kinds, and classes of soil structure (both in Appendix B). Reproduced with permission from Soil ClassiÞcation Working Group. 1998. The Canadian System of Soil Clas- siÞcation. 3rd ed. NRC Research Press, Ottawa, Canada. Figure for: The nitrogen cycle in soil. Adapted from Stevenson, F.J. (Ed.) 1982. Nitrogen in Agricultural Soils . Number 22. American Society of Agronomy. Madison, Wisconsin. Figures for: Buried soil; Solum. VandenBygaart, A.J. 2001. Personal communication. Department of Land Resource Science, University of Guelph, Guelph, Ontario. 3115_book Page 559 Tuesday, August 12, 2003 11:25 AM © 2001 by CRC Press LLC . 55 9 References: Sources of Illustrations Figures for: Relationship among osmotic, matric, and combined soil water potential; Volume of solids, water, and air in a loam soil at saturation,. Adapted from Schmiel, D. 19 95. Terrestrial ecosystems and the carbon cycle. Global Change Biol. 1:7 7-9 1. Figures for: Soil texture classes; Types, kinds, and classes of soil structure (both in. Agricultural Soils . Number 22. American Society of Agronomy. Madison, Wisconsin. Figures for: Buried soil; Solum. VandenBygaart, A.J. 2001. Personal communication. Department of Land Resource Science,