Cladophora spp. (Chlorophyta) modulate environment and create a habitat for microalgae in hypersaline waters

IF 2 4区生物学 Q2 MARINE & FRESHWATER BIOLOGY

European Journal of Phycology Pub Date : 2021-07-03 DOI:10.1080/09670262.2020.1814423

A. Prazukin, N. Shadrin, D. Balycheva, Yu. K. Firsov, Raisa Lee, E. Anufriieva

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引用次数: 17

Abstract

ABSTRACT Cladophora spp. constantly or periodically form floating and benthic mats in Crimean hypersaline lakes and lagoons. In 2017–2018, characteristics of the Cladophora mats and the microalgae on Cladophora filaments were studied employing field research and microscopy. The whole Cladophora mat has a vertical structure, including the upper and lower layers of the floating mat and benthic mat. In total, 50 species of microalgae were found: 40 of them belonged to Bacillariophyta (Bacillariophyceae and Mediophyceae), two to Haptophyta (Coccolithophyceae), four to Miozoa (Dinophyceae), one to Chlorophyta (Zygnematophyceae) and three to Cyanobacteria (Cyanophyceae). Floating layers of the mat differed significantly in species composition from the benthic mat. The total abundance of microalgae and their biomass on Cladophora (per unit area of filaments) varied widely within sampling sites from 3.79 × 106 to 5.04 × 108 cells m–2 and 2.6 to 2197.8 mg m–2. The total mass of microalgae achieved more than 32% of the mass of Cladophora, averaging 7.7% (standard deviation = 13.3).

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枝藻属（Clophophora spp.）在高盐度水域调节环境并为微藻创造栖息地

摘要：枝藻在克里米亚高盐湖泊和泻湖中不断或周期性地形成漂浮和底栖垫。2017–2018年，利用实地研究和显微镜研究了枝藻垫和枝藻丝上微藻的特征。整个枝藻垫具有垂直结构，包括漂浮垫和底栖垫的上下层。共发现50种微藻：其中40种属于硅藻门（硅藻门和中藻门），2种属于单藻门（球藻门）、4种属于中生虫门（恐龙门）、1种属于绿藻门（接合藻门）和3种属于蓝藻门（蓝藻门）。垫的漂浮层在物种组成上与底栖垫有显著差异。枝藻上微藻的总丰度及其生物量（单位面积的细丝）在采样点内变化很大，从3.79×106到5.04×108个细胞m–2和2.6到2197.8 mg m–2不等。微藻的总质量达到了枝藻质量的32%以上，平均为7.7%（标准偏差=13.3）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

European Journal of Phycology 生物-海洋与淡水生物学

CiteScore

4.80

自引率

4.20%

发文量

审稿时长

>12 weeks

期刊介绍： The European Journal of Phycology is an important focus for the activities of algal researchers all over the world. The Editors-in-Chief are assisted by an international team of Associate Editors who are experts in the following fields: macroalgal ecology, microalgal ecology, physiology and biochemistry, cell biology, molecular biology, macroalgal and microalgal systematics, applied phycology and biotechnology. The European Journal of Phycology publishes papers on all aspects of algae, including cyanobacteria. Articles may be in the form of primary research papers and reviews of topical subjects. The journal publishes high quality research and is well cited, with a consistently good Impact Factor.