首页> 外文期刊>Bonn zoological Bulletin >Loktak Lake, Manipur, revisited: A Ramsar site as the rotifer (Rotifera: Eurotatoria) biodiversity hot-spot of the Indian sub-region
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Loktak Lake, Manipur, revisited: A Ramsar site as the rotifer (Rotifera: Eurotatoria) biodiversity hot-spot of the Indian sub-region

机译:曼尼普尔邦(Manipur)的罗克塔克湖(Loktak Lake)重新探访:拉姆萨尔(Ramsar)遗址作为印度次区域的轮虫(Rotifera:Eurotatoria)生物多样性热点

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The plankton and semi-plankton samples collected at Loktak Lake in Manipur state of northeast India (NEI), betweenFebruary 2015 and January 2017, revealed 180 rotifer species belonging to 42 genera and 22 families. Our report raisesthe total richness of the phylum known from this Ramsar site to 189 species and thus assigns this floodplain wetland the statusof the most species-rich rotifer hot-spot of the Indian sub-region. Two species are new to the Oriental region and 25 are newrecords from Manipur. The rotifer fauna is characterized by a number of species of global (~18% of species) and regionalbiogeographic (~15% of species) interest, high richness and common occurrence of ‘tropic centered’ Lecane, relative paucityand scarceness of Brachionus, Filinia, Hexarthra and Conochilus species, and littoral-periphytic assemblages with a numberof small-sized species. The present study is interesting for the rotifer ecosystem diversity update of this well-sampled floodplainwetland of the Indian sub-region. We estimate 270+ Rotifera species from this lake system pending specific analysis ofperiphytic, colonial, and benthic taxa as well as of likely cryptic diversity of certain species complexes.
机译:2015年2月至2017年1月之间,在印度东北部(MEIpur)曼尼普尔邦(Lani)的Loktak湖采集的浮游生物和半浮游生物样本揭示了180个轮虫物种,分别属于42个属和22个科。我们的报告将这个拉姆萨尔湿地已知的门总数提高到189种,因此将该洪泛区湿地指定为印度次区域物种最丰富的轮虫热点地区。东方地区有两个新物种,曼尼普尔邦有25个新记录。轮虫动物区系的特点是:具有全球性(约占物种的18%)和区域生物地理学(约占物种的15%)的许多物种,丰富的丰富性和常见的“以热带为中心”的Lecane,相对稀疏性和Brachionus,Filinia, Hexarthra和Conochilus物种,以及沿岸的附生生物群落与许多小型物种。本研究对于印度次区域这一采样良好的洪泛平原湿地的轮虫生态系统多样性更新很有趣。我们估计该湖泊系统中有270+种轮虫,有待对附生,殖民地和底栖生物分类以及某些物种复合体的隐性多样性进行具体分析。

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