... NZ Saliendra, T Svejcar, R Angell, AB Frank, RL Phillips, KASnyder, and JA Morgan. 2010. Physiological and environmental regulation of interannual variability in CO2exchange onrangelands in ... CO2fixation in a semiarid grassland.Journal of Geophysical Research 112:G03011.Harper, CW, JM Blair, PA Fay, AK Knapp, and JD Carlisle. 2005. Increased rainfall variability and reduced rainfall amountdecreases ... averaged by plot for eachyear of analysis. Analysis was conducted by year, using pasture × grazing intensityinteractions as the r andom effects, grazing intensity, pasture, year and all possibleinteractions...