Robert C. Graham

Professor of Soil Mineralogy

• Office: 2416 Geology
• Phone: (951) 827-3751
• robert.graham@ucr.edu

Academic Degrees:

• Ph.D., North Carolina State University, 1986
• M.S., Utah State University, 1982
• B.S., University of California, Davis, 1976

Specialization:

• Weathering, properties, and behavior of soil minerals
• Soil genesis
• Pedologic processes
• Ecosystem roles of soils and weathered bedrock
• Wildland soils
• San Dimas Experimental Forest

Research Group:

• Graduate Students

  • Héctor Estrada-Medina (Ph.D., Soil and Water Sciences program)
        Water dynamics in the karst landscape of Yucatan. more...
  • Annie Rossi (M.S., Soil and Water Sciences program)
        Porosity formation as a function of weathering in granitic rocks. more...
  • Judy Turk (Ph.D., Soil and Water Sciences program)
        Rates of soil development and soil organic carbon accumulation at a forested debris flow chronosequence in southern California. more...

• Other

  • Carmen Pizarro - Visiting Researcher
  • Juanita Frisbie - Laboratory Helper

Representative Publications:

• Bornyasz, M.A., R.C. Graham, and M.F. Allen. 2005. Ectomycorrhizae in a soil-weathered granitic bedrock regolith: Linking matrix resources to plants. Geoderma 126:141-160.
• de Koff, J.P., R.C. Graham, K.R. Hubbert, and P.M. Wohlgemuth. Pre- and post-fire erosion of soil nutrients within a chaparral watershed. Soil Sci. (in press).
• Lee, B.D., S.K. Sears, R.C. Graham, C. Amrhein, and H. Vali. 2003. Secondary mineral genesis from chlorite and serpentine in an ultramafic soil toposequence. Soil Sci. Soc. Am. J. 67:1309-1317.
• Williamson, T.N., P. Gessler, and R.C. Graham. Links between pedogenesis and watershed terrain after chaparral to grass conversion. Soil Sci. Soc. Am. J. (in press).
• Enloe, H.A., R.C. Graham, and S.C. Sillett. 2006. Arboreal Histosols in old-growth redwood forest canopies, northern California. Soil Sci. Soc. Am. 70:408-418.

Courses Taught:

• SWSC/ENSC/GEO 138 - Soil Morphology & Classification
• SWSC 213 -Soil Mineralogy
• SWSC 226 - Soil Geomorphology
• SWSC 256 - Graduate Seminar in Soil Mineralogy and Soil Genesis

Graduate Program Affiliations and Research Focus Areas:

• Research Focus Areas

• Program

  • Soil and Water Sciences
  • Geosciences

Links:

• Some Profiles of Former Graduate Students:

  • Margaret Bornyasz
  • Scott Frazier
  • Jodi Johnson-Maynard
  • Brad Lee
  • Lynn Moody
  • April Ulery

• Soil Morphology & Classification (SWSC/ENSC/GEO 138) Fieldtrips

  • Spring 2005 field Trip
  • Spring 2004 field Trip
  • Spring 2003 field trip
  • Spring 2002 field trip
  • Spring 2000 field Trip

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