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13 Results Found

  • Article
  • Open Access
1,580 Views
15 Pages

Nutrient Accessibility Influences Stalk Formation in the Benthic Diatom Achnanthidium minutissimum

  • Pengyu Ji,
  • Adrien Lapointe,
  • Katja Hartenberger,
  • Dieter Spiteller and
  • Peter G. Kroth

Achnanthidium minutissimum is a widely distributed benthic freshwater diatom. The alga can produce stalks that stick the cell to the surface and subsequently extracellular capsules developing into biofilms. Extracts of the diatom-associated bacterium...

  • Article
  • Open Access
1 Citations
2,089 Views
17 Pages

27 September 2023

Representatives of the Achnanthidium minutissimum complex have been studied from the Transbaikal region, Russia. The Transbaikal region is known for its unique algal flora and high levels of endemism. Despite the group of monoraphid diatoms being stu...

  • Article
  • Open Access
8 Citations
3,145 Views
14 Pages

23 October 2023

The diatom index has been widely used in the evaluation of water ecological quality, but the applicability of the diatom index often varies in different study areas. The accuracy of the evaluation results depends on the applicability of the diatom in...

  • Feature Paper
  • Article
  • Open Access
12 Citations
5,558 Views
20 Pages

Two New Benthic Diatoms of the Genus Achnanthidium (Bacillariophyceae) from the Hangang River, Korea

  • Minzi Miao,
  • Zhun Li,
  • Eun-A Hwang,
  • Ha-Kyung Kim,
  • Hyuk Lee and
  • Baik-Ho Kim

21 July 2020

Two new benthic freshwater species belonging to the genus Achnanthidium were found in Korea. Achnanthidium ovale sp. nov. and A. cavitatum sp. nov. are described as new species based on light and scanning electron microscopy observations and molecula...

  • Feature Paper
  • Article
  • Open Access
17 Citations
4,534 Views
16 Pages

31 July 2018

Benthic diatoms are an indispensable link of the water ecological system in terms of energy flow and material cycling, and they directly or indirectly reflect the status of the water environment. We sampled benthic diatoms and environmental factors f...

  • Article
  • Open Access
3 Citations
2,064 Views
19 Pages

Differences in Phytobenthic Diatom Community between Natural and Channelized River Sections

  • Igor Zelnik,
  • Mateja Germ,
  • Aleksandra Golob and
  • Aleksandra Krivograd Klemenčič

31 May 2023

The structure of phytobenthic diatom communities was studied to reveal differences between natural and channelized river sections in Slovenia. As part of the national monitoring of surface waters, samples of phytobenthos were collected at 85 sites th...

  • Article
  • Open Access
7 Citations
3,566 Views
14 Pages

Novel Approach to Freshwater Diatom Profiling and Identification Using Raman Spectroscopy and Chemometric Analysis

  • Raquel Pinto,
  • Rui Vilarinho,
  • António Paulo Carvalho,
  • Joaquim Agostinho Moreira,
  • Laura Guimarães and
  • Luís Oliva-Teles

2 July 2022

(1) An approach with great potential for fast and cost-effective profiling and identification of diatoms in lake ecosystems is presented herein. This approach takes advantage of Raman spectroscopy. (2) The study was based on the analysis of 790 Raman...

  • Article
  • Open Access
1,532 Views
34 Pages

Human activities in the Apuseni Mountains region, Romania, especially in the Roșia Montană mining area, have significantly impacted water quality in the Arieș River tributaries. This study assessed the main physico-chemical and salinit...

  • Article
  • Open Access
18 Citations
5,430 Views
12 Pages

23 March 2018

The influence of selected factors on the diversity and composition of tychoplanktonic diatom community in limnocrene spring Zelenci was investigated. The spring that was studied is located in a glacial valley in the south-eastern calcareous Alps. Sam...

  • Article
  • Open Access
15 Citations
4,054 Views
15 Pages

The Effect of Monsoon Rainfall Patterns on Epilithic Diatom Communities in the Hantangang River, Korea

  • In-Hwan Cho,
  • Ha-Kyung Kim,
  • Min-Hyuk Lee,
  • Yong-Jae Kim,
  • Hyuk Lee and
  • Baik-Ho Kim

21 May 2020

Most of Korea’s rivers and lakes are subject to physico-chemical disturbances, such as increased water quantity and flow rates, and influx of nitrogen and phosphorus, due to intense rainfall concentrated in the Asian monsoon season. To examine...

  • Feature Paper
  • Article
  • Open Access
11 Citations
3,637 Views
17 Pages

5 December 2020

The aim of the research was to investigate the influence of environmental factors on the structure of epilithic diatom communities in the Sava River from the source to the state border 220 km downstream. The river had numerous human influences along...

  • Article
  • Open Access
5 Citations
5,847 Views
24 Pages

The Diatom Diversity and Ecological Status of a Tufa-Depositing River through eDNA Metabarcoding vs. a Morphological Approach—A Case Study of the Una River (Bosnia and Herzegovina)

  • Jasmina Kamberović,
  • Marija Gligora Udovič,
  • Antonija Kulaš,
  • Kálmán Tapolczai,
  • Sandi Orlić,
  • Amela Jusufović,
  • Almina Gajić,
  • Petar Žutinić,
  • Adisa Ahmić and
  • Belma Kalamujić Stroil

Tufa deposits in karst rivers are unique habitats created by mutual interactions between specific environmental and biotope features and inhabited by diatoms as a highly abundant and diverse algal group. This pilot study aimed to investigate the dive...

  • Article
  • Open Access
19 Citations
3,998 Views
14 Pages

21 July 2020

The Lalin River Basin (LLRB) is a major drainage basin in northeastern China, that has been significantly influenced by agricultural activities. This study focused on exploring diatom taxonomic composition linked to environmental factors at the taxon...