固沙年限对沙坡头荒漠土壤种子库及其与地上植被关系的影响

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王乐^1a(

), 陆文家^1a, 南益聪²^,³, 牛富荣^1b, 鱼小军^1a, 白冰心⁴, 石亚飞^1a(

)

Effects of sand-fixing age on soil seed bank and its relationship with aboveground vegetation in Shapotou Desert

Le Wang^1a(

), Wenjia Lu^1a, Yicong Nan²^,³, Furong Niu^1b, Xiaojun Yu^1a, Bingxin Bai⁴, Yafei Shi^1a(

)

图2. 土壤种子库与地上植被多样性随固沙年限变化特征
注：图中A、C、E、G、I为地上植被多样性指数，B、D、F、H、J为土壤种子库多样性指数

Fig.2. Characteristics of soil seed bank and aboveground vegetation diversity with the duration of sand fixation