海三棱藨草的密度和单位面积结实枝条数显著大于互花米草。
However, the density and number of flowering tillers per square meter for Spartina alterniflora were significantly lower than those of Scirpus mariqueter.
地下根茎为芦苇现存碳储量的主要场所，而地上部分是海三棱藨草碳储量的主要场所。
The underground rhizome of P. australis and the aboveground part of S. mariqueter were the main sites of existing carbon storage.
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