荒漠草地沙漠化对土壤-微生物-胞外酶化学计量特征的影响
吴秀芝1,阎欣1,王波2,刘任涛1,安慧1,*(
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Effects of desertification on the C:N:P stoichiometry of soil, microbes, and extracellular enzymes in a desert grassland
WU Xiu-Zhi1,YAN Xin1,WANG Bo2,LIU Ren-Tao1,AN Hui1,*()
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图1. 土壤C、N、P含量及其生态化学计量特征(平均值±标准偏差)。FD, 固定沙地; G, 荒漠草地; MD, 流动沙地; SFD, 半固定沙地。不同小写字母表示阶段的差异显著(p < 0.05)。
Fig. 1. Characteristics of soil C、N、P content and C:N:P ecological stoichiometry (mean ± SD) at different stages of desertification. FD, fixed dunes; G, grasslands; MD, mobile dunes SFD, semi-fixed dunes. Different lowercase letters indicate significance differences among stages (p < 0.05).
