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Distribution of Ciliates in Intertidal Sediments across Geographic Distances: A Molecular View
Zhao, Feng1; Xu, Kuidong1,2
2017-04-01
发表期刊PROTIST
卷号168期号:2页码:171-182
文章类型Article
摘要The estimation of the diversity and geographic distribution of protists in particular ciliates has long been an ongoing debate. We estimated the distribution of ciliates in intertidal sediments with geographic distance ranging from 10 cm to 1,000 km, using high-throughput DNA sequencing. Higher community similarity, in particular that of rare ciliate taxa, occurred between replicates than between sites. Statistical analyses showed that the community dissimilarities of both abundant and moderately abundant ciliates had correlations with geographic distance at the scales of 50 m, 200 km and 1000 km, indicating a distance-decay relationship. No significant correlation was observed for rare taxa. The analysis of Bray-Curtis similarity showed a higher pairwise community similarity in abundant taxa than in moderately abundant taxa, and that in rare taxa was the lowest. Abundant taxa usually can disperse in a wider range than rare taxa, though their distribution is restricted by distance to some extent. Rare taxa are potentially more sensitive to changing environments, but no distance-decay relationship could be observed. The data indicate contrasting patterns of geographic distribution of the abundant and rare ciliate taxa and a weak distance-decay relationship for relatively abundant taxa at a scale over 50 m. (C) 2017 Elsevier GmbH. All rights reserved.
关键词Geographic Distribution Molecular Diversity High-throughput Dna Sequencing Protists Distance-decay Pattern
DOI10.1016/j.protis.2017.01.001
收录类别SCI
语种英语
WOS记录号WOS:000400425800002
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文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/137044
专题海洋生物分类与系统演化实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China
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Zhao, Feng,Xu, Kuidong. Distribution of Ciliates in Intertidal Sediments across Geographic Distances: A Molecular View[J]. PROTIST,2017,168(2):171-182.
APA Zhao, Feng,&Xu, Kuidong.(2017).Distribution of Ciliates in Intertidal Sediments across Geographic Distances: A Molecular View.PROTIST,168(2),171-182.
MLA Zhao, Feng,et al."Distribution of Ciliates in Intertidal Sediments across Geographic Distances: A Molecular View".PROTIST 168.2(2017):171-182.
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