The mechanism about seed actual reproduction and artificial restoration under disturbance was investigated by using systematic sampling in the typical area of reaumuria soongorica population at mid - young age in desert grassland region , according to two similar habitate involved five different disturbance characteristics 摘要2003年7 10月,選擇黃土丘陵區荒漠草原地帶兩個相似生境、 5個不同干擾特徵的中幼齡紅砂種群更新恢復類型區為研究物件,采用系統取樣法或樣行法,開展了干擾條件下的紅砂種群種子更新與恢復機理的初步研究。