克尼察河硅藻多样性和组成的季节变化

Q4 Earth and Planetary Sciences

Bulletin of the Iraq Natural History Museum Pub Date : 2021-01-01 DOI:10.5937/bnhmb2114065j

O. Jakovljevic, S. Popović, I. Živić, K. Stojanović, J. Krizmanić

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引用次数: 0

摘要

本研究的目的是测定和比较克尼察河4个季节硅藻的多样性和优势类群。共发现硅藻170种，其中优势种24种。多样性表现在春季最高(139)，秋季最低(94)。在CCA排序图上最适合的45个分类群中，大多数在两个季节以上记录，通常在四个季节都记录。一个类群(Hanaea arcus, Meridion constrictum, Navicula gregaria, N. lanceolata)只在春季有特征，另一个类群(Gomphonema innocens, G. lagenula，耳鼠耳鼠，Nitzschia oligotraphenta)只在冬季有特征。在夏季和秋季没有专门记录的分类群。

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Seasonal variations of diatoms diversity and composition in the Crnica River

The aim of this study was determining and comparing diatom diversity and dominant taxa in 4 seasons from the Crnica River. A total of 170 diatom taxa, 24 among them as dominant ones were recorded. The highest diversity expressed in number of taxa was observed in the spring (139) and the lowest in the autumn season (94). The most of 45 the best fitted taxa on the CCA ordination diagram are recorded in more than two seasons, often in all four seasons. One group of taxa (e.g. Hanaea arcus, Meridion constrictum, Navicula gregaria, N. lanceolata) was characteristic only for spring and other for winter season (e.g. Gomphonema innocens, G. lagenula, Stauroneis phoenicenteron, Nitzschia oligotraphenta). There were no taxa exclusively recorded only in summer and autumn.

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来源期刊

Bulletin of the Iraq Natural History Museum Environmental Science-Ecology

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： The Bulletin of the Iraq Natural History Museum, that''s affiliated with the Iraq Natural History Research Center and Museum / University of Baghdad, which founded in 1961 and is a peer reviewed, scientific open access journal, publishing original articles, article reviews, and case reports (short communication) in the natural history sciences. This journal is published twice times a year (Biannual). Bulletin of the Iraq Natural History Museum publishes 8-12 articles in each issue, according to the priority of manuscript acceptance. The variation in research areas for each issue is considered. The financial support of the Bulletin of the Iraq Natural History Museum comes from the publication fees paid by authors. No other financial supports are availablefor the Bulletin.