The grass-slope (waste grasshill fruticeta-her-bosa) and grasshill (hilltop fruticeta-herbosa) are the outcome of forest vegetation regressivesuccession peculiar to China with much human interference, they are semizonational and rel-ative stable types.

Comparison on the characteristics of main nutrient element contents of mountain shrubby-grassland and sowed Dactylis gomerata grassland in the valley area of Lhasa River;

Quantitative classification and sorting of subalpine shrub and meadow land communities on Guandi Mountain;