Abstract:Leymus chinensis steppe is a distinctive formation in the east of Eurasia st eppe region, and has an extensive distribution in the steppe region of China. It is the important mowing and grazing rangeland in Inner Mongolia and has high ut ilizable value. This paper deals with the dynamics of caloric values of major pl ant species in the steppe. The sample site was located at Leymus chinensis s teppe community in Xilin Gol league of Inner Mongolia (43°38′N, 116°43′E), T he caloric value was measured by GR350...