低覆盖度治沙是一项荒漠化治理新理念、新技术、新模式。受自然林业启发，根据低覆盖度植被分布格局的演变，提出不同格局下的风沙物理学、水文学、生态学、可持续发展等理论的外延机理，把乔灌草及微生物、降雨及土壤库的水动态、界面生态效益、边行优势等有机组合，进而探索出创新型治沙技术理论。这套理论基本解决了防沙治沙实践中中幼龄林衰败死亡的问题，把人工造林与自然修复有机结合起来，降低造林成本40%～60%。该理论开拓了覆盖度在15%～25%条件下实现防沙治沙目标的新领域。
The sand control with low coverage is a new idea, new technology and new model for desertification control. The wind prevention and sand control system with low coverage is an innovation rooted from the natural ecology (close-to-nature forestry), an innovative and new academic field for human, a new technological system of the ecological construction and a new field which has started in recent decade. The theory of sand control with low coverage includes sand physics, hydrology, ecology and sustainable development. It will also provide the scientific basis for developing the sand prevention and fixation in the arid and semi-arid regions into a new stage of low coverage and enhancing the ecological recovery benefit to provide scientific and technological support for the large-scale ecological construction projects in China.
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