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578 Results Found

  • Article
  • Open Access
2 Citations
2,825 Views
18 Pages

18 March 2023

The typology of inland water bodies remains a topical issue in limnology. Numerous classifications of freshwater habitats have been proposed, but none of them has gained the universal acceptance. Current global changes and the increasing human impact...

  • Article
  • Open Access
47 Citations
8,933 Views
13 Pages

2 July 2020

Based on statistical data of the average abundance of microplastics from 37 global freshwater locations up to November 2019, we classified the freshwater bodies according to developments in their local countries and geographic positions. We highlight...

  • Article
  • Open Access
77 Citations
8,257 Views
29 Pages

Analysis of Microcystins in Cyanobacterial Blooms from Freshwater Bodies in England

  • Andrew D. Turner,
  • Monika Dhanji-Rapkova,
  • Alison O’Neill,
  • Lewis Coates,
  • Adam Lewis and
  • Katy Lewis

11 January 2018

Cyanobacterial blooms in freshwater bodies in England are currently monitored reactively, with samples containing more than 20,000 cells/mL of potentially toxin-producing species by light microscopy resulting in action by the water body owner. Whilst...

  • Review
  • Open Access
458 Views
20 Pages

24 October 2025

Eutrophication of freshwater bodies is primarily caused by excessive nitrogen and phosphorus, resulting in significant environmental challenges, including harmful algal blooms and hypoxia. This review examines the potential for natural and modified z...

  • Feature Paper
  • Article
  • Open Access
5 Citations
4,563 Views
15 Pages

1 July 2021

Density, temperature, salinity, and hydraulic head are physical scalars governing the dynamics of aquatic systems. In coastal aquifers, lakes, and oceans, salinity is measured with conductivity sensors, temperature is measured with thermistors, and d...

  • Systematic Review
  • Open Access
2 Citations
4,804 Views
34 Pages

Application and Efficacy of Management Interventions for the Control of Microplastics in Freshwater Bodies: A Systematic Review

  • Suveshnee Munien,
  • Puspa L. Adhikari,
  • Kimberly Reycraft,
  • Traci J. Mays,
  • Trishan Naidoo,
  • MacKenzie Pruitt,
  • Jacqueline Arena and
  • Sershen

3 January 2024

This systematic review represents one of the first attempts to compare the efficacy of the full suite of management interventions developed to control (prevent or remove) microplastics (MPs) in freshwater bodies, both man-made and natural. The review...

  • Article
  • Open Access
1 Citations
5,860 Views
16 Pages

Rapidly Deployable Algae Cleaning System for Applications in Freshwater Reservoirs and Water Bodies

  • Sirius Pui-Kam Tse,
  • Ka-Fu Yung,
  • Pak-Yeung Lo,
  • Cheok-Kei Lam,
  • Tsz-Wang Chu,
  • Wing-Tak Wong and
  • Samuel Chun-Lap Lo

10 January 2022

Occurrence of large-scale harmful algal blooms (HABs) in our reservoirs and water bodies threaten both quality of our drinking water and economy of aquaculture immensely. Hence, rapid removal of HAB biomass during and after a bloom is crucial in prot...

  • Article
  • Open Access
1 Citations
1,483 Views
24 Pages

Epiplastic Algal Communities on Different Types of Polymers in Freshwater Bodies: A Short-Term Experiment in Karst Lakes

  • Ekaterina Vodeneeva,
  • Yulia Pichugina,
  • Darja Zhurova,
  • Ekaterina Sharagina,
  • Pavel Kulizin,
  • Vyacheslav Zhikharev,
  • Alexander Okhapkin and
  • Stanislav Ermakov

15 November 2024

The increasing amount of plastic debris in water ecosystems provides a new substrate (epiplastic microhabitats) for aquatic organisms. The majority of research about epiplastic communities has focused on seawater environments, while research is still...

  • Article
  • Open Access
24 Citations
5,405 Views
18 Pages

Anabaenopeptins from Cyanobacteria in Freshwater Bodies of Greece

  • Sevasti-Kiriaki Zervou,
  • Triantafyllos Kaloudis,
  • Spyros Gkelis,
  • Anastasia Hiskia and
  • Hanna Mazur-Marzec

21 December 2021

Cyanobacteria are photosynthetic microorganisms that are able to produce a large number of secondary metabolites. In freshwaters, under favorable conditions, they can rapidly multiply, forming blooms, and can release their toxic/bioactive metabolites...

  • Article
  • Open Access
62 Citations
8,765 Views
17 Pages

12 October 2015

Cyanobacterial harmful algal blooms represent one of the most conspicuous waterborne microbial hazards in aquatic environments mostly due to the production of toxic secondary metabolites, mainly microcystins (MCs). Other bioactive peptides are freque...

  • Article
  • Open Access
3 Citations
2,861 Views
53 Pages

12 December 2023

Periphytic rotifer assemblages from lentic habitats are understudied. To improve knowledge on the principal environmental determinants of their structure and composition, we examined summer periphyton from 184 freshwater bodies from a taxonomic and m...

  • Article
  • Open Access
7 Citations
3,872 Views
27 Pages

How Accurate Is an Unmanned Aerial Vehicle Data-Based Model Applied on Satellite Imagery for Chlorophyll-a Estimation in Freshwater Bodies?

  • Anas El-Alem,
  • Karem Chokmani,
  • Aarthi Venkatesan,
  • Lhissou Rachid,
  • Hachem Agili and
  • Jean-Pierre Dedieu

17 March 2021

Optical sensors are increasingly sought to estimate the amount of chlorophyll a (chl_a) in freshwater bodies. Most, whether empirical or semi-empirical, are data-oriented. Two main limitations are often encountered in the development of such models....

  • Article
  • Open Access
4 Citations
3,747 Views
12 Pages

Aeromonas spp. in Freshwater Bodies: Antimicrobial Resistance and Biofilm Assembly

  • Maria Nascimento,
  • Joao Rodrigues,
  • Rui Matias and
  • Luisa Jordao

Aeromonas spp. are environmental bacteria able to infect animals and humans. Here, we aim to evaluate the role of biofilms in Aeromonas persistence in freshwater. Aeromonas were isolated from water and biofilm samples and identified by Vitek-MS and 1...

  • Article
  • Open Access
1 Citations
718 Views
18 Pages

Evaluating Zeolites of Different Origin for Eutrophication Control of Freshwater Bodies

  • Irene Biliani,
  • Eirini Papadopoulou and
  • Ierotheos Zacharias

6 August 2025

Eutrophication has become the primary water quality issue for most of the freshwater and coastal marine ecosystems in the world. Caused by excessive nitrogen (N) and phosphorus (P) inputs, it has a significant impact on aquatic ecosystems, resulting...

  • Abstract
  • Open Access
1,729 Views
2 Pages

Climate change enhances the occurrence of HCBs (Harmful Cyanobacterial Blooms) worldwide, particularly in freshwater ecosystems, posing increased risks for local populations. The present work intends to conduct a spatiotemporal historical overview on...

  • Article
  • Open Access
906 Views
21 Pages

The climbing perch, Anabas testudineus, is one of the most widely distributed freshwater amphibious fishes in South and Southeast Asia, inhabiting both natural and artificial water bodies polluted by plastic waste. Current mesocosm experimental study...

  • Article
  • Open Access
7 Citations
2,825 Views
16 Pages

Decision Support for Lake Restoration: A Case Study in Swedish Freshwater Bodies

  • Maja Sellergren,
  • Jing Li,
  • Stina Drakare and
  • Sebastian Thöns

8 February 2023

A considerable number of lakes in Sweden have high phosphorus internal loading from the sediments which cause cyanobacterial blooms every summer. Due to potential risks with such blooms for human health, drinking water supply, and ecosystem services,...

  • Article
  • Open Access
33 Citations
5,465 Views
34 Pages

Effects of Fish Predators on the Mass-Related Energetics of a Keystone Freshwater Crustacean

  • Douglas S. Glazier,
  • Jonathan J. Borrelli and
  • Casandra L. Hoffman

25 February 2020

Little is known about how predators or their cues affect the acquisition and allocation of energy throughout the ontogeny of prey organisms. To address this question, we have been comparing the ontogenetic body-mass scaling of various traits related...

  • Review
  • Open Access
1,167 Views
28 Pages

A Review of Water Quality Forecasting Models for Freshwater Lentic Ecosystems

  • Jovheiry Christopher García-Guerrero,
  • José M. Álvarez-Alvarado,
  • Roberto Valentín Carrillo-Serrano,
  • Viviana Palos-Barba and
  • Juvenal Rodríguez-Reséndiz

4 August 2025

Water quality (WQ) monitoring is critical for Mexico and the world due to water pollution and scarcity problems in recent years. In this article, a systematic review was conducted considering only forecasting models focused on lentic freshwater bodie...

  • Article
  • Open Access
437 Views
10 Pages

Conventional fish population sampling methods such as electrofishing and netting, pose risks to fish and are often restricted to small, shallow headwater streams—especially where endangered species may be present. Additionally, non-capture surv...

  • Article
  • Open Access
13 Citations
4,283 Views
19 Pages

Potentially Toxic Planktic and Benthic Cyanobacteria in Slovenian Freshwater Bodies: Detection by Quantitative PCR

  • Maša Zupančič,
  • Polona Kogovšek,
  • Tadeja Šter,
  • Špela Remec Rekar,
  • Leonardo Cerasino,
  • Špela Baebler,
  • Aleksandra Krivograd Klemenčič and
  • Tina Eleršek

11 February 2021

Due to increased frequency of cyanobacterial blooms and emerging evidence of cyanotoxicity in biofilm, reliable methods for early cyanotoxin threat detection are of major importance for protection of human, animal and environmental health. To complem...

  • Abstract
  • Open Access
1,018 Views
2 Pages

Never before have there been so many ecological datasets available. The organization, accessibility, and collection of ecological datasets create more opportunities among researchers to find new and original questions, perform strong analytical analy...

  • Article
  • Open Access
951 Views
17 Pages

Processes Turning Saline Settling Basins into Freshwater Bodies (Selected Examples from the Upper Silesian Coal Basin)

  • Tadeusz Molenda,
  • Gabriela Woźniak,
  • Artur Dyczko,
  • Barbara Bacler-Żbikowska and
  • Joanna Kidawa

22 November 2024

There are numerous deep coal mines in the Upper Silesian Coal Basin. Ensuring their proper exploitation requires constant drainage of the rock mass and the transfer of mine waters to rivers. Several technical solutions are used to prevent the adverse...

  • Article
  • Open Access
8 Citations
3,322 Views
15 Pages

23 November 2019

Mitten crab aquaculture is prevalent in China, however, knowledge about the threat of cyanobacteria in mitten crab aquaculture-impacted water bodies is limited. Here, seasonal variations of cyanobacteria and their relationships with environmental fac...

  • Article
  • Open Access
20 Citations
3,388 Views
20 Pages

Do Freshwater and Marine Bivalves Differ in Their Response to Wildfire Ash? Effects on the Antioxidant Defense System and Metal Body Burden

  • Fátima Jesus,
  • Filipa Mesquita,
  • Elisa Virumbrales Aldama,
  • Ana Marques,
  • Ana M. M. Gonçalves,
  • Luísa Magalhães,
  • António J. A. Nogueira,
  • Ana Ré,
  • Isabel Campos and
  • Joana Luísa Pereira
  • + 3 authors

Wildfires constitute a source of contamination to both freshwater and marine ecosystems. This study aimed to compare the antioxidant defense response of the freshwater clam Corbicula fluminea and the marine cockle (Cerastoderma edule) to wildfire ash...

  • Article
  • Open Access
32 Citations
8,727 Views
24 Pages

Conserving Mekong Megafishes: Current Status and Critical Threats in Cambodia

  • Teresa Campbell,
  • Kakada Pin,
  • Peng Bun Ngor and
  • Zeb Hogan

25 June 2020

Megafishes are important to people and ecosystems worldwide. These fishes attain a maximum body weight of ≥30 kg. Global population declines highlight the need for more information about megafishes’ conservation status to inform management and conser...

  • Feature Paper
  • Article
  • Open Access
2 Citations
3,237 Views
11 Pages

21 June 2021

The diversity of freshwater zooplankton is still little known in Mexico, particularly in reference to insular zooplankton communities. Diaptomid copepods (Crustacea: Copepoda: Calanoida) are a widespread group worldwide, and Mexico harbours high diap...

  • Article
  • Open Access
11 Citations
3,069 Views
17 Pages

21 May 2021

The development of sentinel species in aquatic ecosystems is mostly based on benthic organisms; however, organisms living in water column such as zooplankton have received less attention, except for some cladocerans. In this paper, a new ecological i...

  • Article
  • Open Access
2 Citations
2,699 Views
21 Pages

Biogeochemical Factors of Cs, Sr, U, Pu Immobilization in Bottom Sediments of the Upa River, Located in the Zone of Chernobyl Accident

  • Darya Zelenina,
  • Natalia Kuzmenkova,
  • Denis Sobolev,
  • Kirill Boldyrev,
  • Zorigto Namsaraev,
  • Grigoriy Artemiev,
  • Olga Samylina,
  • Nadezhda Popova and
  • Alexey Safonov

21 December 2022

Laboratory modeling of Cs, Sr, U, Pu immobilization by phytoplankton of the river Upa, affected after the Chernobyl accident, has been carried out. Certain conditions are selected for strong fixation of radionuclides in bottom sediments due to biogeo...

  • Article
  • Open Access
4 Citations
2,497 Views
23 Pages

19 August 2024

Although somewhat debated, it is generally agreed in Europe that small water bodies comprise lentic ecosystems that are shallow (less than 20 m) and have a surface area of a few hectares (less than 10 ha). In Albania, 84 glacial lakes constitute a su...

  • Article
  • Open Access
1,592 Views
12 Pages

Fish of Low Commercial Value in Lakes of Different Trophic Status (Poland)

  • Krystyna Kalinowska,
  • Dariusz Ulikowski,
  • Michał Kozłowski,
  • Piotr Traczuk,
  • Maciej Szkudlarek,
  • Konrad Stawecki and
  • Andrzej Kapusta

24 July 2024

In a commercial fishery, some fish are classified as low-value, but their classification varies in different countries. The aim of this study was to determine the abundance, contribution, and dominance of low-value fish species, such as Abramis brama...

  • Review
  • Open Access
2 Citations
2,012 Views
21 Pages

The Influence of Abiotic Factors on the Distribution of Macrophytes in Small Water Bodies in Temperate Ecosystems

  • Isabel Navarro Law,
  • Isabelle Durance,
  • Rachel Benstead,
  • Michael E. Fryer and
  • Colin D. Brown

6 December 2024

Currently, reviews focusing on the distribution of macrophytes focus primarily on large water bodies, regardless of the fact that small water bodies (SWBs), such as ponds, ditches and streams, often support higher levels of gamma macrophyte richness....

  • Article
  • Open Access
1,676 Views
16 Pages

Reliable River Microplastic Monitoring Using Innovative Fluorescence Dyes—A Case Study

  • Michael Toni Sturm,
  • Anika Korzin,
  • Pieter Ronsse,
  • Erika Myers,
  • Oleg Zernikel,
  • Dennis Schober and
  • Katrin Schuhen

Microplastic (MP) contamination in riverine systems poses a growing environmental challenge, and their spatial and temporal variability complicates proper assessments. This study investigated MP concentrations (≥10 µm) across three German ri...

  • Article
  • Open Access
4 Citations
2,224 Views
16 Pages

24 September 2022

Gastropoda are an important component of the freshwater benthic communities of Western Siberia and participate in a number of trophic relationships and as the intermediate hosts of trematodes. The purpose of this study is defining the ratio of Bithyn...

  • Article
  • Open Access
32 Citations
5,204 Views
11 Pages

Contrasting Toxin Selectivity between the Marine Pufferfish Takifugu pardalis and the Freshwater Pufferfish Pao suvattii

  • Wei Gao,
  • Yoko Kanahara,
  • Misako Yamada,
  • Ryohei Tatsuno,
  • Hiroyuki Yoshikawa,
  • Hiroyuki Doi,
  • Tomohiro Takatani and
  • Osamu Arakawa

10 August 2019

To clarify the differences in toxin selectivity between marine and freshwater pufferfish, we conducted experiments in artificially reared nontoxic specimens of Takifugu pardalis (marine) and Pao suvattii (freshwater) using tetrodotoxin (TTX) and para...

  • Article
  • Open Access
2,700 Views
13 Pages

Freshwater Uptake of Mangrove Growing in an Extremely Arid Area

  • Yasuhiro Asakura,
  • Ko Hinokidani and
  • Yasuhiro Nakanishi

11 February 2023

This study evaluated the freshwater use of two mangrove species (R. mucronate: Rhizophora mucronata and A. marina: Avicennia marina) growing in a coastal area of Djibouti City and on Moucha Island in Djibouti. We accomplished this by comparing hydrog...

  • Article
  • Open Access
12 Citations
5,379 Views
23 Pages

3D Characterization of a Coastal Freshwater Aquifer in SE Malta (Mediterranean Sea) by Time-Domain Electromagnetics

  • Potpreecha Pondthai,
  • Mark E. Everett,
  • Aaron Micallef,
  • Bradley A. Weymer,
  • Zahra Faghih,
  • Amir Haroon and
  • Marion Jegen

30 May 2020

Electromagnetic (EM) geophysical methods are well equipped to distinguish electrical resistivity contrasts between freshwater-saturated and seawater-saturated formations. Beneath the semi-arid, rapidly urbanizing island of Malta, offshore groundwater...

  • Article
  • Open Access
8 Citations
2,987 Views
17 Pages

Taxonomic Reassessment of Freshwater Mussels from the Western Balkans Reveals an Overlooked but Critical Refugium and Defines Conservation Priorities

  • Artem A. Lyubas,
  • Alexander V. Kondakov,
  • Alena A. Tomilova,
  • Mikhail Yu. Gofarov,
  • Tatyana A. Eliseeva,
  • Ekaterina S. Konopleva,
  • Ilya V. Vikhrev,
  • Olesya A. Yunitsyna,
  • Vladimir Pešić and
  • Ivan N. Bolotov

31 October 2022

Freshwater mussels are an endangered group of animals, especially in the water bodies of Central and Western Europe. Conservation priorities were established for many endangered freshwater mussel species in the last decade. Here, we present new data...

  • Article
  • Open Access
634 Views
27 Pages

A lime–sand island–reef formation has a dual structure consisting of an overlying loose or weakly consolidated coral sand (CS) layer and an underlying reef limestone layer. The coral sand layer is the sole carrier of the underground fresh...

  • Article
  • Open Access
7 Citations
2,565 Views
17 Pages

22 November 2024

Eutrophication, a global threat that leads to degradation of freshwater and seawater aquatic ecosystems, is driven by excessive nutrient loading. This study explores the sustainable management of eutrophic water bodies with the application of natural...

  • Article
  • Open Access
1 Citations
2,317 Views
31 Pages

24 September 2024

Freshwater slugs are scarce and belong exclusively to panpulmonate Acochlidimorpha. There is a radiation of eight species of large-sized slugs living benthically in rivers on tropical Indo-Pacific Islands. In the Western Atlantic, only one small inte...

  • Article
  • Open Access
11 Citations
6,258 Views
12 Pages

Flow Cytometric Analysis of Freshwater Cyanobacteria: A Case Study

  • Ruchit Patel,
  • Aline de Oliveira,
  • Robert Newby and
  • Tinchun Chu

11 July 2019

Eutrophication is a process that occurs due to the excessive accumulation of nutrients, primarily nitrogen and phosphorus, from natural and anthropogenic sources. This phenomenon causes cyanobacterial overgrowth, which over time leads to cyanobacteri...

  • Review
  • Open Access
20 Citations
5,537 Views
17 Pages

23 June 2021

Chemical composition of Arctic freshwater ecosystems depends on several factors. They include characteristics of the surrounding landscape, its lithology, geomorphology, vegetation, and hydrological features, as well as accumulation of anthropogenic...

  • Article
  • Open Access
1 Citations
1,814 Views
33 Pages

9 June 2024

The escalating proliferation of cyanobacteria poses significant taste and odor (T/O) challenges, impacting freshwater ecosystems, public health, and water treatment costs. We examined monthly variations in four T/O compounds from September 2011 to Au...

  • Feature Paper
  • Review
  • Open Access
16 Citations
8,113 Views
20 Pages

21 September 2022

In the modern era, due to urbanization, industrialization, and anthropogenic activities in the catchment, greenhouse gas (GHG; CO2, CH4, and N2O) emissions from freshwater ecosystems received scientific attention because of global warming and future...

  • Article
  • Open Access
5 Citations
4,584 Views
11 Pages

Tetrodotoxin/Saxitoxins Selectivity of the Euryhaline Freshwater Pufferfish Dichotomyctere fluviatilis

  • Hongchen Zhu,
  • Towa Sakai,
  • Yuji Nagashima,
  • Hiroyuki Doi,
  • Tomohiro Takatani and
  • Osamu Arakawa

16 October 2021

The present study evaluated differences in the tetrodotoxin (TTX)/saxitoxins (STXs) selectivity between marine and freshwater pufferfish by performing in vivo and in vitro experiments. In the in vivo experiment, artificially reared nontoxic euryhalin...

  • Review
  • Open Access
13 Citations
8,260 Views
19 Pages

2 June 2022

Sub-Saharan Africa’s freshwater fisheries contribute significantly to the livelihoods and food security of millions of people within the region. However, freshwater fisheries are experiencing multiple anthropogenic stressors such as overfishing...

  • Article
  • Open Access
3,937 Views
26 Pages

Not a Drop to Drink: Addressing Nigeria’s Deepening Freshwater Crisis

  • Julius Irene,
  • Bridget Nneka Irene and
  • Chux Daniels

7 June 2025

Nigeria is currently grappling with an acute freshwater crisis, characterized by a stark contradiction where abundant water resources coexist with a widespread lack of access to safe and reliable water. This study examines the complex interplay of fa...

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