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Re-examination of Cyclotella lacunarum Hustedt (Bacillariophyta) from lakes in the Pamir Mountains, western China, and description of two similar Lindavia taxa collected from Tajikistan and Nepal

文献类型：期刊论文

作者Rioual, Patrick2,3; Peng, Yumei4; Jin, Zhangdong5; Lami, Andrea6; Marchetto, Aldo6; Mischke, Steffen7; Zhang, Fei5; Zhang, Zhongyan2; Yang, Xiaoping1
刊名DIATOM RESEARCH
出版日期2020-01-02
卷号35期号:1页码:63-84
ISSN号0269-249X
DOI10.1080/0269249X.2020.1745896
通讯作者Rioual, Patrick(prioual@mail.iggcas.ac.cn)
英文摘要Originally described from a sample collected in the Pamir Mountains at the end of the nineteenth century, Cyclotella lacunarum Hustedt is a centric diatom species that is not-well defined and seldom reported in the scientific literature. Our investigations revealed that the type locality of this taxon, now referred to as Lindavia lacunarum (Hustedt) Nakov et al., is actually in western China and not in Tajikistan, as wrongly assumed previously. Light microscope (LM) and scanning electron microscope (SEM) observations of the type material and of modern material collected at the type locality allowed us to emend the description of this species. Its most remarkable character is that it possesses central fultoportulae with only two satellite pores instead of three as generally reported for similar species of Lindavia. Lindavia lacunarum was then compared to two similar populations of Lindavia collected from high elevation lakes in Tajikistan and Nepal. These two populations were originally identified as Cyclotella/Lindavia lacunarum and represent the only reported occurrences of this taxon outside its type locality. The population from Tajikistan differs from L. lacunarum by having cells of smaller size, with an almost flat valve face and has been described as a new variety Lindavia lacunarum var. karakulensis var. nov. The Nepalese population is more clearly differentiated from L. lacunarum by having a different type of colliculate pattern in the central area and significantly lower density of central fultoportulae and is therefore described as a new species, Lindavia nepalensis sp. nov.
WOS关键词DIATOM GENUS CYCLOTELLA ; BADAIN JARAN DESERT ; SP-NOV ; KUTZING BREBISSON ; CENTRIC DIATOMS ; INNER-MONGOLIA ; ALPINE LAKE ; MORPHOLOGY ; STEPHANODISCACEAE ; PUNCTICULATA
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; National Science Foundation of China[41430532] ; Chinese Academy of Sciences[kzcx2-yw-119]
WOS研究方向Marine & Freshwater Biology
语种英语
WOS记录号WOS:000528356600001
出版者TAYLOR & FRANCIS LTD
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; Chinese Academy of Sciences
源URL[http://ir.ieecas.cn/handle/361006/14702]  
专题地球环境研究所_加速器质谱中心
通讯作者Rioual, Patrick
作者单位1.Zhejiang Univ, Sch Earth Sci, Dept Geog, Hangzhou, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China
3.CAS Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China
4.Shaoyang Univ, Sch Urban & Rural Construct, Shaoyang, Peoples R China
5.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China
6.CNR Water Res Inst IRSA, Verbania, Italy
7.Univ Iceland, Inst Earth Sci, Reykjavik, Iceland
推荐引用方式
GB/T 7714		 Rioual, Patrick,Peng, Yumei,Jin, Zhangdong,et al. Re-examination of Cyclotella lacunarum Hustedt (Bacillariophyta) from lakes in the Pamir Mountains, western China, and description of two similar Lindavia taxa collected from Tajikistan and Nepal[J]. DIATOM RESEARCH,2020,35(1):63-84.
APA Rioual, Patrick.,Peng, Yumei.,Jin, Zhangdong.,Lami, Andrea.,Marchetto, Aldo.,...&Yang, Xiaoping.(2020).Re-examination of Cyclotella lacunarum Hustedt (Bacillariophyta) from lakes in the Pamir Mountains, western China, and description of two similar Lindavia taxa collected from Tajikistan and Nepal.DIATOM RESEARCH,35(1),63-84.
MLA Rioual, Patrick,et al."Re-examination of Cyclotella lacunarum Hustedt (Bacillariophyta) from lakes in the Pamir Mountains, western China, and description of two similar Lindavia taxa collected from Tajikistan and Nepal".DIATOM RESEARCH 35.1(2020):63-84.

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来源：地球环境研究所

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