This work was carried out in Caijiachuan of Huanglongxian County in 1987-1988. Themeda triandra var. japonica community has not only a wide range of distribution in the woodlands on loess plateau at north Shanxi province, but also an excellent quality so that it plays a very important role in the local development of animal husbandry. The study has focused on the seasonal and spatial changes in the biomass of aboveground part and underground part of the above community. The results show that the biomass of ...