February 2005

SOIL SCIENCE RESEARCH
AT THE SAN DIMAS EXPERIMENTAL FOREST

  1. The lysimeter installation
    1. Graham, R.C., and H.B. Wood. 1991. Morphologic development and clay redistribution in lysimeter soils under chaparral and pine. Soil Sci. Soc. Am. J. 55:1638-1646.
    2. Ulery, A.L., R.C. Graham, O.A. Chadwick, and H.B. Wood. 1995. Decade-scale changes of soil carbon, nitrogen, and exchangeable cations under chaparral and pine. Geoderma 65:121-134.
    3. Graham, R.C., J.O. Ervin, and H.B. Wood. 1995. Aggregate stability under oak and pine after four decades of soil development. Soil Sci. Soc. Am. J. 59:1740-1744.
    4. Tice, K.R., R.C. Graham, and H.B. Wood. 1996. Transformations of 2:1 phyllosilicates in 41-year-old soils under oak and pine. Geoderma 70:49-62.
    5. Quideau, S.A., O.A. Chadwick, R.C. Graham, and H.B. Wood. 1996. Base cation biogeochemistry and weathering under oak and pine: a controlled long-term experiment. Biogeochemistry 35:377-398.
    6. Quideau, S.A., R.C. Graham, O.A. Chadwick and H.B. Wood. 1998. Carbon sequestration under chaparral and pine after four decades of soil development. Geoderma 83:227-242.
    7. Feng, X., J.C. Peterson, S.A. Quideau, R.A. Virginia, R.C. Graham, L.J. Sonder, and O.A. Chadwick. 1999. Distribution, accumulation and fluxes of soil carbon in four monoculture lysimeters at San Dimas Experimental Forest, California. Geochim. Cosmochim. 63:1319-1333.
    8. Quideau, S.A., R.C. Graham, O.A. Chadwick, and H.B. Wood. 1999. Biogeochemical cycling of calcium and magnesium by ceanothus and chamise. Soil Sci. Soc. Am. J. 63:1880-1888.
    9. Quideau, S.A., M.A. Anderson, R.C. Graham, O.A. Chadwick, and S.E. Trumbore. 2000. Soil organic matter processes: Characterization by 13C NMR and 14C measurements. Forest Ecology and Management 138:19-27.
    10. Quideau, S.A., O.A. Chadwick, S.E. Trumbore, J.L. Johnson-Maynard, R.C. Graham, and M.A. Anderson. 2001. Vegetation control on soil organic matter dynamics. Organic Geochemistry 32:247-252.
    11. Quideau, S.A., O.A. Chadwick, A. Benesi, R.C. Graham, and M.A. Anderson. 2001. A direct link between vegetation type and soil organic matter composition. Geoderma 104:41-60.
    12. Egerton-Warburton, L.M., R.C. Graham, E.B. Allen, and M.F. Allen. 2001. Reconstruction of historical changes in mycorrhizal fungal communities under anthropogenic nitrogen deposition. Proc. Royal Society of London B 268: 2479-2484.
    13. Johnson-Maynard, J.L., R.C. Graham, L. Wu, and P.J. Shouse. 2002. Modification of soil structural and hydraulic properties after 50 years of imposed chaparral and pine vegetation. Geoderma 110: 227-240.
    14. Aochi, Y.O., W.J. Farmer, and R.C. Graham. 2003. N2, CO2, and 1,2-dichloroethane as molecular probes of soil microstructure. Geoderma 114:369-388.
    15. Quideau, S.A., R.C. Graham, and X. Feng. Isotopic fractionations in physical and chemical fractions of A horizons differentiated according to vegetation. Soil Sci. Soc. Am. J. 67:1544-1550.
    16. Johnson-Maynard, J.L., P.J. Shouse, R.C. Graham, P. Castiglione, and S.A. Quideau. 2004. Microclimate and pedogenic implications in a 50-year-old chaparral and pine biosequence. Soil Sci. Soc. Am. J. Soil Sci. Soc. Am. J. 68:876-884.
    17. Johnson-Maynard, J.L., R.C. Graham, P.J. Shouse, and S.A. Quideau. Base cation and silicon biochemistry under pine and scrub oak monocultures; implications for weathering rates. Geoderma (in press).

    Thesis:

    Milone, K. 1994. Potential effects of increasing fire frequency due to global environmental change on carbon and nitrogen emissions from the chaparral ecosystems of southern California. M.F. (Forestry) thesis. Duke Univ., Durham, NC.

    Dissertation:

    Johnson-Maynard, J.L. 1999. Biogeochemical processes and soil formation in a chaparral biosequence, southern California. Ph.D. dissertation. Univ. of California, Riverside.



  2. The broader San Dimas Experimental Forest
    1. Peterson, A.C., P.F. Hendrix, C. Haydu, R.C. Graham, and S.A. Quideau. 2001. Single-shrub influence on earthworms and soil macroarthropods in the southern California chaparral. Pedobiologia 45:509-522.
    2. Williamson, T.N., B.D. Newman, R. C. Graham, and P.J. Shouse. 2004. Regolith water in zero-order chaparral and perennial grass watersheds four decades after vegetation conversion. Vadose Zone J. 3:1017-1030.
    3. Williamson, T.N., R.C. Graham, and P.J. Shouse. 2004. Effects of a chaparral to grass conversion on soil physical and hydrologic properties after four decades. Geoderma 123:99-114.
    4. Quideau, S.A., R.C. Graham, S-W. Oh, P.F. Hendrix, and R.E. Wasylishen. Foliage decomposition in a chaparral ecosystem, southern California. Soil Biol. Biochem.

    Theses:

    Peterson, A.C. 1999. Single-shrub influence on soil macrofauna in the southern California chaparral. M.S. thesis. Univ. of Georgia, Athens.

    Haydu, C. 2000. Morphology, genesis, and physical properties of litter and A horizons in chaparral soils. M.S. thesis. Univ. of California, Riverside.

    de Koff, J.P. 2004. Pre- and post-fire erosion of soil nutrients within a chaparral watershed. M.S. thesis. Univ. of California, Riverside.

    Akers, S.C. 2004.Post-fire soil carbon distribution in steep chaparral watersheds. M.S. thesis. Univ. of California, Riverside.

    Dissertation:

    Williamson, T.N. 1999. Terrain, pedology, and hydrology of zero-order watersheds 38 years after conversion from chaparral to perennial grass. Ph.D. dissertation. Univ. of California, Riverside.