From the increase of soil patchiness scale in the thicketization of steppe,it is suggested that the transition from steppe to thicketization-steppe dominated by Caragana microphylla patches could be irreversible once this threshold is passed.
运用状态与过渡模式的观点,从植被组成的变化探讨锡林河流域灌丛化草原形成的阈值;从土壤斑块性尺度增强进一步说明草原灌丛化的阈值一旦跨越,这种转变将是难以逆转的,最终会形成以小叶锦鸡儿灌丛斑块占优势的灌丛化草原。
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;
拉萨河谷山地灌丛草原与鸭茅栽培草地营养元素含量特征的比较
