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

doi:10.1080/0269249X.2020.1745896

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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
	Rioual, Patrick 1,2; Peng, Yumei 3; Jin, Zhangdong 4; Lami, Andrea 5; Marchetto, Aldo 5; Mischke, Steffen 6; Zhang, Fei 4; Zhang, Zhongyan 1; Yang, Xiaoping 7
通讯作者	Rioual, Patrick(prioual@mail.iggcas.ac.cn)
	2020-01-02
发表期刊	DIATOM RESEARCH
ISSN	0269-249X
卷号	35 期号:1 页码:63-84
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.
DOI	10.1080/0269249X.2020.1745896
关键词[WOS]	DIATOM GENUS CYCLOTELLA ; BADAIN JARAN DESERT ; SP-NOV ; KUTZING BREBISSON ; CENTRIC DIATOMS ; INNER-MONGOLIA ; ALPINE LAKE ; MORPHOLOGY ; STEPHANODISCACEAE ; PUNCTICULATA
收录类别	SCI ; SCI
语种	英语
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
项目资助者	Strategic Priority Research Program of the Chinese Academy of Sciences ; National Science Foundation of China ; Chinese Academy of Sciences
WOS类目	Marine & Freshwater Biology
WOS记录号	WOS:000528356600001
出版者	TAYLOR & FRANCIS LTD
引用统计	被引频次：1[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ieecas.cn/handle/361006/14703
专题	加速器质谱中心
通讯作者	Rioual, Patrick
作者单位	1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing, Peoples R China 2.CAS Ctr Excellence Life & Paleoenvironm, Beijing, Peoples R China 3.Shaoyang Univ, Sch Urban & Rural Construct, Shaoyang, Peoples R China 4.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Peoples R China 5.CNR Water Res Inst IRSA, Verbania, Italy 6.Univ Iceland, Inst Earth Sci, Reykjavik, Iceland 7.Zhejiang Univ, Sch Earth Sci, Dept Geog, Hangzhou, Peoples R China
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.