半干旱沙区3种优势固沙灌木生物量分配及其生态学意义

詹瑾, 李玉霖, 韩丹, 杨红玲

Biomass allocation and its ecological significance of three dominant sand-fixing shrubs in the semi-arid desert area

Jin Zhan, Yulin Li, Dan Han, Hongling Yang

表2 3种优势固沙灌木R/S、NAB /AGB及NAB/OBA与冠幅的相关性

Table 2 The relation of crown about R/S, new biomass and ratio of aboveground biomass to old shoot biomass of three dominant sand-fixing shrubs

指标 冠幅 黄柳 差不嘎蒿 小叶锦鸡儿 R/S -0.453** -0.284* -0.430** NAB/AGB -0.389** -0.205 -0.044 NAB/OBA -0.403** -0.283* -0.085