浙南岛屿潮间带蟹类的区系特点

作者根据１９９０—１９９７历年对浙南岛屿潮间带生态调查所获的材料，分析了该地区蟹类的区系特点。经整理鉴定计蟹类９７种，隶属于１２科５６属，其中软相７０种、硬相３２种，硬、软相皆有出现的为５种。该地区蟹类区系以亚热带暖水性种类占优势，其次为暖温带性种类，属印度──西太平洋区系区的中国──日本亚区。蟹类的组成与分布受到海流、底质、潮汐等综合因素的影响。

FLORISTICS TRAIT OF INTERTIDAL CRABS OF THE ISLANDS IN THE SOUTH OF ZHE JIANG

The floristics trait of intertidal crabs of the islands in the south of Zhejiang was reported in this paper according to the investigation conducted during 1990-1997. There were 97 species belonging to 14 families and 56 genus, in which 70 species were of soft-intertidal zone, 32 species were of rock-intertidal zone, and 5 species were both soft-intertidal zone and rock-intertidal zone. The most proportion. of the floristics of crabs in this area was Warm-water species, the second was Warm-temperature species, the floristics belong to the China-Japan sub-region of the india-Western Pacific Ocean region. The composition and distribution of the crabs were influenced .by ocean currents, substrate and tides.