Fig. 4From: Artemisia dominant species succession relating to the soil moisture decrease in abandoned land of the Loess Plateau (China): comparative study of drought-adaptive characteristicsRoot cross sections of the A. sacrorum (a, ×100), A. scoparia (b, ×100), A. giraldii (c, ×100) and A. annua (d, ×50). Large proportion of xylem was observed in A. sacrorum (a), whereas large proportion of cortex was observed in A. annua (d)Back to article page