HabitatOne major function of perennial plants is to restore the land and ecosystem. ''Hordeum brachyantherum'' is used to restore the native perennial grasslands in California and to reduce the density of non-native annual plants. The perennial plants can rapidly recover the soil microbial biomass in the grasslands due to the carbon supply maintained by the perennial plants. The species diversity and composition is not affected by the restoration, however, the relative proportion of the native plant biomass increased in the restored perennial grassland.
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