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几种外源添加物对生物土壤结皮培育的影响

刘军 张宇清 冯薇 秦树高 王莉 佘维维

刘军, 张宇清, 冯薇, 秦树高, 王莉, 佘维维. 几种外源添加物对生物土壤结皮培育的影响[J]. 北京林业大学学报, 2016, 38(5): 100-107. doi: 10.13332/j.1000-1522.20150416
引用本文: 刘军, 张宇清, 冯薇, 秦树高, 王莉, 佘维维. 几种外源添加物对生物土壤结皮培育的影响[J]. 北京林业大学学报, 2016, 38(5): 100-107. doi: 10.13332/j.1000-1522.20150416
LIU Jun, ZHANG Yu-qing, FENG Wei, QIN Shu-gao, WANG Li, SHE Wei-wei. Influences of exogenous additives on culture of biological soil crusts[J]. Journal of Beijing Forestry University, 2016, 38(5): 100-107. doi: 10.13332/j.1000-1522.20150416
Citation: LIU Jun, ZHANG Yu-qing, FENG Wei, QIN Shu-gao, WANG Li, SHE Wei-wei. Influences of exogenous additives on culture of biological soil crusts[J]. Journal of Beijing Forestry University, 2016, 38(5): 100-107. doi: 10.13332/j.1000-1522.20150416

几种外源添加物对生物土壤结皮培育的影响

doi: 10.13332/j.1000-1522.20150416
基金项目: 

十二五”

国家科技支撑计划课题(2012BAD16B02)

详细信息
    作者简介:

    刘军。主要研究方向:荒漠化防治。Email:liujunliuyu@126.com 地址:100083北京市海淀区清华东路35号北京林业大学水土保持学院。

    责任作者:

    冯薇,博士,讲师。主要研究方向:荒漠化防治。Email:weifeng@bjfu.edu.cn 地址:同上。

Influences of exogenous additives on culture of biological soil crusts

  • 摘要: 生物土壤结皮(以下简称“生物结皮”)在防风固沙,改善土壤环境以及生态系统修复等方面扮演着重要的角色,目前正受到广泛关注,然而由于受到水分、养分的限制以及风蚀的影响,其发育演替和恢复仍然较为缓慢。本研究以毛乌素沙地自然发育的生物结皮为种源,采用全因子试验设计进行了室外人工培养试验,探究高吸水性树脂(SAP)、硝酸铵、葡萄糖、沙蒿胶及其交互作用对生物结皮形成发育的影响。结果显示,SAP对生物结皮的形成发育无显著性影响,硝酸铵和葡萄糖显著增加了结皮叶绿素a含量,沙蒿胶显著增加了结皮的抗压强度,低用量的沙蒿胶显著增加了结皮叶绿素a含量,高用量的沙蒿胶对结皮叶绿素a含量无显著性影响。研究结果还显示,硝酸铵、葡萄糖以及少量的沙蒿胶的混合添加极大地提高了结皮的叶绿素a含量。结果表明:外源氮、碳添加有助于生物结皮的形成发育,沙蒿胶能够提高结皮的抗蚀能力,同时加入适量的氮、碳及沙蒿胶,有利于生物结皮的快速形成。

     

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  • 收稿日期:  2015-11-24
  • 修回日期:  2015-11-24
  • 刊出日期:  2016-05-31

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