...州中蚓虫(Mediomastus californiensis)(14.3%)为栖息密度优势种的群落，局部有高栖息密度的明季大眼蟹(Macrophthalmus definitus)(29.1%)幼体，该群落分布的底质为互花米草滩；三是以加州中蚓虫(11.3%)、寡鳃齿吻沙蚕(Nephtys oligobranchia)(38.7%)、昆士兰稚...
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泥沙滩区分为：盐碱植物-滨螺带和招潮蟹-大眼蟹带；
There are two zones in the belt of sand-mud beaches: The halophyte-Littorina zone and Uca-Macropthalmus zone.
通过适量地下水在育苗中的使用，使蟹苗在抱卵率、大眼幼体产量、生长速度及成活率等技术指标上有明显提高，这对中华绒螯蟹育苗研究和指导养殖有重要意义。
The egg mass rate, megalopa yield, growing rate and the survival rate of the young Chinese mitten crab are promoted significantly while proper ratio ground water is applied to the cultivation.
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