Kobresia humilis meadow is a typical highland vegetation and main pasture on the Qingzang plateau. The study of modelling of its energy dynamcs is significant to understand interactions between factors, pastural management and ecosystem behavior under stress. The model developed is composed of the following five compartments: above-ground plant portion, below-ground live portion including roots, below-ground dead portion including roots, above-ground litter I (perishable portion), and above-ground litter I ...