东苕溪十足目种类调查 论文.doc

目 录 摘要············································································································· 1 前言············································································································· 2 1 材料采集和研究方法···················································································· 2 1.1 采样地点····························································································· 3 1.2 采样时间和方法···················································································· 1.3标本鉴定······························································································ 3 3 2 结果·········································································································· 3 2.1东苕溪十足类种类组成··········································································· 3 2.2 东苕溪十足类种类分布·········································································· 2.2.1 米虾科·························································································· 2.2.1.1锯齿新米虾指名亚种·································································· 2.2.1.2细肢新米虾·············································································· 4 4 5 6 2.2.1.3蹄肢新米虾·············································································· 8 2.2.2长臂虾科························································································ 2.2.3溪蟹科··························································································· 3讨论··········································································································· 3.1 三种米虾的主要区别············································································· 3.2三种米虾的生态地理分布········································································ 10 12 13 13 13 4致谢··········································································································· 14 参考文献·······························································