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
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Biomass allocation and its ecological significance of three dominant sand-fixing shrubs in the semi-arid desert area
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图5. 3种优势固沙灌木R/S、NAB /AGB及NAB/OBA与冠幅的线性拟合关系 |
Fig.5. Linear regressions between crown and R/S,new biomass and ratio of aboveground biomass to old shoot biomass of three dominant sand-fixing shrubs |
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