沙漠公路网的区域化荒漠化控制模式的原则,技术和好处
Quan-Lai Zhou1,2, Hai-Yang Wang3, Zhi-Min Liu2
1Inner Mongolia Key Laboratory of Desert Ecological System, Inner Mongolia Academy of Forestry Sciences, Hohhot 010010, China.
Ying yong sheng tai xue bao = The journal of applied ecology
|August 31, 2025
概括
昂尼乌德旗荒漠化控制模式使用高速公路网和"三带"来阻沙子,恢复植被,改善生计. 这种综合方法为沙地恢复带来了显著的生态和社会效益.
科学领域:
- 控制荒漠化
- 恢复生态
- 岩地形学
背景情况:
- 在Ongniud Banner的沙漠穿越公路网的区域化荒漠化控制模式受到好评,但缺乏系统的总结.
- 了解它的原则,技术和好处对于更广泛的荒漠化控制工作至关重要.
研究的目的:
- 阐明区域化荒漠化控制模式的设计原则.
- 分析"三个带"的结构 (沙丘固定和植树,围保护,空中播种).
- 评估植被和土壤恢复过程以及对生产和生活的影响.
主要方法:
- 综合多个来源的数据:现场调查,采访和文献审查.
- 分析"三带"保护系统在沙丘管理中的作用.
- 在七年内评估植被多样性,土壤种子库和土壤水动态.
主要成果:
- 道路网和"三条带"有效地阻了沙子,控制了风沙的危险,改善了生计.
- 植物种类显著增加,从psammophytes转移到xerophytes,并增强了土壤种子库.
- 土壤水平衡在整个电网中保持,不同带有赤字,平衡和余状态.
结论:
- 这种模式结合了岩沙的动态和恢复生态的原则,创造了一个独特的"切割沙丘的高速公路,锁定沙子的网格,逐步恢复,中央储水"模式.
- 它展示了危害控制,植被恢复,人工植被建设,水平衡和生态生产生计整合的协调发展.
- "Ongniud Banner模式"提供了重要的生态和社会效益,并且在中国北部的沙地恢复方面具有广泛的可复制性.
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