Soil microbiotic crusts are widespread in arid and semiarid regions, they are one of the major components of desert ecosystems, and their importance has been demonstrated by numerous researches.

生物土壤结皮广泛分布在干旱半干旱地区与寒区荒漠，是荒漠生态系统的主要组成和景观特征之一，其重要性已被大量的研究报道所证实。

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Soil hydrological process of microbiotic crusts (MC) has been a most debated problem with so much academic concerns all along.

生物结皮的土壤水文过程一直是学术界比较关注的争议性问题。

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