中国九寨沟国家级自然保护区硅藻新种Diploneis zhui sp.

IF 1 4区生物学 Q3 PLANT SCIENCES Phytotaxa Pub Date : 2023-12-07 DOI:10.11646/phytotaxa.629.3.5

Geng Sun, Z. Levkov, Weiyang Xiao, Nikola Moraj, M. G. Udovič, Jie Du, Qunlong Chen, Anđelka Plenković-Moraj

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引用次数: 0

摘要

在九寨沟国家级自然保护区的硅藻群落中观察到珠藻Diploneis zhui sp.。本文利用光学显微镜(LM)和扫描电镜(SEM)对该物种进行了描述，并提供了类型所在地区的生态信息。该物种的特征是线性到线性椭圆阀，宽圆形末端，长18-39 μm，宽9.5-11.0 μm，部分双育条纹，10 μm内16-18条。本种与其他地区大多数相似的分类群进行了比较。这一硅藻新物种的发现证实了九寨沟不仅在物种丰富度和特有性方面，而且在淡水喀斯特生态系统的生物多样性方面具有重要意义。

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New diatom species Diploneis zhui sp. nov. from Jiuzhaigou National Nature Reserve, China

Diploneis zhui sp. nov. was observed in epilitic diatom communities from Jiuzhaigou National Nature Reserve. The species is described herein based on light microscopy (LM) and scanning electron microscopy (SEM) and ecological information of the type locality is provided. The species is characterized by linear to linear-elliptic valves with broadly rounded ends, 18–39 μm long, and 9.5–11.0 μm wide and partly biseriate striae, 16–18 in 10 μm. The species is compared with most similar taxa from other regions. The discovery of a new diatom species confirms the importance of Jiuzhaigou not only in terms of species richness and endemicity, but also for the biodiversity of freshwater karst ecosystems.

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来源期刊

Phytotaxa PLANT SCIENCES-

CiteScore

1.90

自引率

27.30%

发文量

956

审稿时长

1 months

期刊介绍： Phytotaxa is a peer-reviewed, international journal for rapid publication of high quality papers on any aspect of systematic and taxonomic botany, with a preference for large taxonomic works such as monographs, floras, revisions and evolutionary studies and descriptions of new taxa. Phytotaxa covers all groups covered by the International Code of Nomenclature foralgae, fungi, and plants ICNafp (fungi, lichens, algae, diatoms, mosses, liverworts, hornworts, and vascular plants), both living and fossil. Phytotaxa was founded in 2009 as botanical sister journal to Zootaxa. It has a large editorial board, who are running this journal on a voluntary basis, and it is published by Magnolia Press (Auckland , New Zealand). It is also indexed by SCIE, JCR and Biosis. All types of taxonomic, floristic and phytogeographic papers are considered, including theoretical papers and methodology, systematics and phylogeny, monographs, revisions and reviews, catalogues, biographies and bibliographies, history of botanical explorations, identification guides, floras, analyses of characters, phylogenetic studies and phytogeography, descriptions of taxa, typification and nomenclatural papers. Monographs and other long manuscripts (of 60 printed pages or more) can be published as books, which will receive an ISBN number as well as being part of the Phytotaxa series.