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沙坡头地区荒漠土壤中藻类群落结构的垂直变化
胡春香; 刘永定
2002
Source Publication中国藻类学会第十一次学术讨论会论文摘要集
Abstract对沙坡头地区无灌溉人工植被区及灌溉区荒漠土壤中藻类植物垂直分布进行了为期一年多的采样、分析;结果发现结皮层有藻类植物24种;结皮下0-50mm深度有15种;50-100mm深度有10种;其中蓝藻及其丝状种类在结皮层比例最大;硅藻及单细胞种类在较深两层次最多;但深层次出现的种类在浅层次都出现;从表及里生物量随深度的增加而锐减;99%的生物量分布在结皮层;就结皮层中 78%分布在0.1mm以上; 96%在 1.0mm以上。浅层次种类数变化与降水量密切相关;深层次种类数基本保持稳定。
Language中文
Document Type会议论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15022
Collection会议论文
Recommended Citation
GB/T 7714
胡春香,刘永定. 沙坡头地区荒漠土壤中藻类群落结构的垂直变化[C],2002.
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