Rice CW, Todd TC, Blair JM, Seastedt TR, Ramundo RA, Wilson GT. Belowground biology and processes. In: Knapp AK, Briggs JM, Hartnett DC, Collins SL Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. Grassland Dynamics: Long-Term Ecological Research in Tallgrass Prairie. New York: Oxford University Press; 1998:244 -264.