If a nonnative plant species invades an above-ground community of flora and fauna, it can alter links between the native above-ground community and the below-ground soil community.
如果一种外来植物入侵了地上的动植物群落，就会改变地上群落和地下土壤群落之间的联系。
Long - term heavy grazing simplified the alpine shrub community and decreased the standing above - ground biomass, especially palatable herbage plants.
长期重度放牧使高寒灌丛群落结构简化，地上现存生物量特别是优良牧草的现存量减少。
This paper studied seasonal and spatial changes of biomass above-ground and under parts in the Calamagrostis pseudophragmites community.
本文研究了假苇子拂子茅群落的生物量，测定了地上和地下生物量及其季节和空间变化。
Meanwhile, the insect community in Dongtan wetland is relevant with the combination of the above-ground biomass of plants and marsh conductivity.
东滩湿地的昆虫群落与植物地上生物量、盐沼电导率二者综合作用也存在着显著的相关。
The plant community characteristics of different natural restoration grasslands and above-ground biomass were calculated.
结果表明，天然草地植被盖度、地上生物量和高度随土壤厚度的增加而增大。
The plant community characteristics of different natural restoration grasslands and above-ground biomass were calculated.
结果表明，天然草地植被盖度、地上生物量和高度随土壤厚度的增加而增大。
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