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- Morgan, J.A.; LeCain, D.R.; Mosier, A.R.; Milchunas, D.G.
- Global change biology 2001 v.7 no.4 pp. 451
- C3 plants, etc ; Bouteloua gracilis; Poaceae; Hesperostipa comata; steppes; gas exchange; plant-water relations; photosynthesis; acclimation; grazing; defoliation; biomass; soil water content; leaf conductance; leaf water potential; nitrogen content; carbon dioxide; C4 plants; Pascopyrum smithii; species differences; biomass production; Colorado; Show all 22 Subjects
- ... Six open-top chambers were installed on the shortgrass steppe in north-eastern Colorado, USA from late March until mid-October in 1997 and 1998 to evaluate how this grassland will be affected by rising atmospheric CO2. Three chambers were maintained at current CO2 concentration (ambient treatment), three at twice ambient CO2, or approximately 720 μmol mol-1 (elevated treatment), and three nonchamb ...