本论文包括三部分： 第一章：分子系统地理学概述与虾蟹类分子系统地理学研究进展。

This thesis includes three chapters:Chapter 1: The summarization of molecular phylogeography and researches on crabs and shrimps.

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其他诸如海星、蟹类、虾类以及蠕虫等也像雨林中的鸟类和昆虫栖息在树木的枝叶间一样生活在这些珊瑚的枝杈间。

Sea stars, crabs, shrimp and worms live in the limbs of these corals as birds and insects do in the branches of trees in a rainforest.

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世界各国研究者想研究出，火山活动的增加与诸如虾，蟹，帽贝以及一些小甲克类海洋生物的增多是否有直接联系。

International researchers want to figure out if there's a direct connection between the growing volcano activity and the increase in Marine life there, such as shrimp, crab, limpets and barnacles.

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