该特征有利于羊草种群的光合生产。
These characteristics advantage the photosynthetic production of L. chinensis population.
用控制火烧的方法，研究了火烧对内蒙古草原羊草种群的影响。
With the method of prescribed burning, the effects of burning on Leymus chinensis population in Inner Mongolia steppe were discussed.
结果表明，火烧不利于羊草种群枝条的生长发育，抑制羊草的生长高度，降低其单枝干重。
The results showed: fire could produce unfavorable effects on the shoot development of L. chinensis, restrain the height, and decrease the dry weight per shoot.
通过两年的刈割干扰，结果表明：(1)羊草种群特征随刈割强度增大发生不同程度的变化。
The results showed that: (1) the population characteristics varied with the increasing of cutting intensities.
通过两年的刈割干扰，结果表明：(1)羊草种群特征随刈割强度增大发生不同程度的变化。
The results showed that: (1) the population characteristics varied with the increasing of cutting intensities.
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