It also suggested that inter-specific facilitation between S. chamaejasme could provide biotic refuge for neighboring plants and preserve plant diversity from livestock’s overgrazing in alpine meadows on the Tibetan Plateau. chamaejasme, which was 7 times more than those in open meadows. There were 39% (11/28) of all species with sexual reproduction found in meadows with S. Diversity index and above-ground biomass were also significantly higher in meadows with S. chamaejasme than those in open meadows (35s and 30s, respectively). The results showed that there are more herbaceous species in meadows with S. chamaejasme and other herbaceous species under livestock’s overgrazing. chamaejasme in overgrazing meadows on the Tibetan Plateau in China to determine whether positive facilitation exist between S. chamaejasme and in open meadows without S. This study compared species diversity, biomass and sexual reproduction of herbaceous plants in meadows with S. competition and allelopathy) with other herbaceous species in grasslands. chamaejasme for short) is one of the most noxious unpalatable weeds in China, which has been frequently reported its negative interaction (i.e.
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