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林秋奇, 吴秋婷, 韩博平. 海南岛异尾轮属物种多样性研究[J]. 水生生物学报, 2018, 42(1): 206-211. DOI: 10.7541/2018.026
引用本文: 林秋奇, 吴秋婷, 韩博平. 海南岛异尾轮属物种多样性研究[J]. 水生生物学报, 2018, 42(1): 206-211. DOI: 10.7541/2018.026
Qiu-Qi LIN, Qiu-Ting WU, Bo-Ping HAN. SPECIES DIVERSITY OF TRICHOCERCA IN HAINAN ISLAND, CHINA[J]. ACTA HYDROBIOLOGICA SINICA, 2018, 42(1): 206-211. DOI: 10.7541/2018.026
Citation: Qiu-Qi LIN, Qiu-Ting WU, Bo-Ping HAN. SPECIES DIVERSITY OF TRICHOCERCA IN HAINAN ISLAND, CHINA[J]. ACTA HYDROBIOLOGICA SINICA, 2018, 42(1): 206-211. DOI: 10.7541/2018.026

海南岛异尾轮属物种多样性研究

SPECIES DIVERSITY OF TRICHOCERCA IN HAINAN ISLAND, CHINA

  • 摘要: 调查海南岛异尾轮虫的多样性, 共检出异尾轮虫24种, 占我国已记录异尾轮虫种类的65%。其中, 东洋区新记录种4种: 无颌异尾轮虫(Trichocerca agnatha)、臂棘异尾轮虫(T. pygocera)、钝齿异尾轮虫(T. obtusidens)和红异尾轮虫(T. rosea); 中国新记录种2种: 无颌异尾轮虫和巴西异尾轮虫(T. braziliensis)。暗小异尾轮虫(T. pusilla)、对棘异尾轮虫(T. similis)、纤巧异尾轮虫(T. tenuior)和巴西异尾轮虫为常见种类。异尾轮属种类多样性高于我国大陆各地区, 并主要由广布性种类组成。海南岛与我国大陆各地区的异尾轮虫种类组成的Bray-Curtis距离指数随着纬度的增加而增加。

     

    Abstract: The information on Rotifera of Hainan Island is limited. To examine the species composition of the Rotifera on Hainan Island, 134 samples were collected from 134 freshwater habits (reservoirs, ponds, temporal ponds, brooks, rivers and rice fields) in November 2010, May and August 2011. Twenty-four species of the genera Trichocerca were identified. Trichocerca agnatha, T. obtusidens, T. rosea and T. pygocera are new to the Oriental Zone, and T. agnatha and T. braziliensis are new to China. Trichocerca pusilla, T. similis, T. braziliensis and T. tenuior are the most common species in this genus. The majority of Trichocerca on Hainan island was widely distributed. There are seventeen cosmopolitan species, three cold-water taxa and two warm-water taxa. The diversity of Trichocerca on Hainan island is much higher than that in the other regions of China, and Bray-Curtis dissimilarity of Trichocerca between Hainan island and the other regions of China increases with higher latitudes.

     

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