By using micro-lysimeter, this paper measured the daily evapotranspiration of Leymus chinensis steppe community at its heavily deteriorated, moderately deteriorated, and non-deteriorated phases.

• 摘要运用微型蒸渗仪法对重度、中度和无退化羊草草原群落的日蒸散量进行了测定，并对其与土壤含水量、日均气温、大气湿度等因子的相关关系进行了分析。