Abstract
Significantly more plants of silver bluestem (Andropogon saccharoides Swartz.), sideoats grama (Bouteloua curtipendula (Michx.) Torr.), sand lovegrass (Eragrostis trichodes (Nutt.) Nash), switchgrass (Panicum virgatum L.), and Indiangrass (Sorghastrum nutans (L.) Nash) died on Brownfield fine sand, eroded phase, grazed pastures, than on adjacent ungrazed areas, during a recent 4—year drought, although grazing pressure was light. The majority of ungrazed plants had either normal or hollow growth forms. Grazed plants commonly had only a small amount of living material along one edge. Size of clone and percentage of dead material in clones were positively correlated P <.01) in grazed sideoats grama and sand lovegrass plants and negatively related (P <.01) in ungrazed plants.
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