Freshwater Biology - Science topic

The study of functional traits is becoming increasingly popular in understanding species ecology, acclimatisation, adaptations and diversity (Funk et al., 2017). Within trait-based ecology, functional traits are often referred to as the morphological, biochemical, physiological, structural, phenological, or behavioural characteristics that are expr...

Biodiversity is commonly attributed to genetic diversity (GD), species diversity (SD), and ecosystem diversity (ED). However, taxonomic diversity (TD) can provide useful information for communities within ecosystems, at least as much as traditional diversity indices. When examining the literature, it is noteworthy that studies on TD are not as prev...

Fish scales serve as valuable biomarkers for understanding key aspects of fish biology, including growth, age, and environmental responses. This study explores the unique properties of fish scales, which reflect growth patterns and provide insights into age determination through the analysis of growth rings, much like tree rings. By employing vario...

The special issue of the journal “Limnology and Freshwater Biology” presents the materials of the Sixth International Conference “Paleolimnology of Northern Eurasia” and the school of young scientists, which was held in Krasnoyarsk from August 25 to 29, 2024 on the basis of the Siberian Federal University and the Institute of Biophysics of the Kras...

African Journal of Biological Sciences is an International peer-reviewed, Open Access journal that publishes original research articles as well as review articles in all areas of Biological Sciences. It operates a fully open access publishing model which allows open global access to its published content. This model is supported through Article Pro...

1. Trait-based approaches have received increasing interest among freshwater scientists given their capacity to predict community structure and biodiversity effects on ecosystem functioning. However, the inconsistent development and use of trait concepts and terms across freshwater scientific disciplines may have limited realisation of the potentia...

Freshwater availability is seriously threatened by expanding water demand and contamination concerns, particularly in dryland regions worldwide. Furthermore, global climate change is increasing water salinity by altering the global supply of groundwater and surface water. The quality of animal water has a significant impact on livestock production,...

Biometric measurement provide crucial information on fish growth and aquatic habitat well-being. This study offers the first comprehensive elucidation on biometric indices and reproductive biology of Cyprinus carpio var. communis in Lake Arekit (Ethiopia). A total of 209 fish were collected (ranging between 8.8 and 51.3 cm in total length (TL), whi...

Biodiversity collections are experiencing a renaissance fueled by the intersection of informatics, emerging technologies, and the extended use and interpretation of specimens and archived databases. In this article, we explore the potential for transformative research in ecology integrating biodiversity collections, stable isotope analysis (SIA), a...

Seahorses, widely recognized as a unique genus within aquatic species, are exploited globally across traditional medicine, aquarium, and curio industries. Notwithstanding their popularity, there exists a dearth of current bibliometric investigations capable of discerning key shifts and patterns within seahorse research. In addressing this gap, our...

Dear Researcher, Hope this email finds you well. The journal Fishes (ISSN 2410-3888) is planning to publish a Special Issue on the topic of "Fish Nutrition, Metabolism and Physiology", of which we are the guest editors. The issue is now opened to receive submissions of full research articles and comprehensive reviews papers for publication. Ba...

Reservoirs are major inland water resources benefitting society through multiple ecosystem services, including fish production. However, the scope of the reservoirs in India is yet to be explored for its full fisheries potential and the scientific/management personnel are engaged in bridging the yield gap. This paper reviews the research progress m...

A semester-long internship was designed for undergraduate students at the University of Delhi, India. Teams comprising 30 students from all over the University were trained to carry out field exploration activities on the Yamuna River flowing in Delhi. The students were provided with portable kits to measure the physicochemical parameters at a sele...

Chitin is the second most abundant biopolymer consisting of N-acetylglucosamine units and is primarily derived from the shells of marine crustaceans and the cell walls of organisms (such as bacteria, fungi, and algae). Being a biopolymer, its materialistic properties, such as biodegradability, and biocompatibility, make it a suitable choice for bio...

Microplastic waste in the environment is now a global problem, and its fate and harmful effects have drawn significant attention in the past few years due to environmental concerns. We searched the Web of Science core collection scientific database thoroughly from 1980 to November 2021 and retrieved a total of 8257 bibliographic records. The word m...

This study aimed to map the world's scientific production of bacterial and fungal microbiota in mollusks. The research was carried out in the Web of Science database, using "Fungi AND Mollusk" and "Bacteria AND Mollusk" descriptors and publication time between 2001 and 2021. Indexes were built by years, countries, research areas, and two maps of th...

Gammaridae or gammarids are one of the most well-known and largest groups of the order Amphipoda (Crustacea). Bibliometrics is a popular scientific branch analyzing academic literature on a certain subject. As far as known, crustacean literature lacks bibliometric analysis of Gammaridae. In this study, four databases provided by Web of Science were...

The current special issue (SI) of QI presents the articles based on scientific reports presented at the 4th International conference “Paleolimnology of Northern Eurasia". The current Special Issue (SI) of QI includes 14 articles that present new data obtained from the lakes geographically distributed from the Kuril Islands in the Far East to coasta...

The unique fauna found only in aquifers is an integral part of the groundwater ecosystem yet is rarely considered in accounts of our nation’s biodiversity or groundwater quality. This short article published in the Freshwater Biology Association Newsletter (No. 85, summer 2022) introduces this hidden fauna and present a recent pilot study – a prelu...

Rivers are a vital part of the earth’s environment and the basis for human survival. River health has been widely concerned by scholars and practitioners, and the number of studies in this area is increasing. In order to examine the evolution of river health research and identify the research frontiers, a total of 675 articles were retrieved from t...

The resilience of aquatic ecosystems hinges on our ability to protect the native species that reside within them. The river redhorse (Moxostoma carinatum) is one such example and populations have become low enough to warrant a threatened status by the State of Michigan. An insufficient understanding of the species’ habitat use outside of its spawni...

For the first time, we present a cytomorphological description of the self-healing (repair) process of damaged sites of thalli, ‘wound healing’, in the green filamentous algae, Ulothrix zonata (F. Weber & Mohr) Kützing 1833. In the filaments of this species from Lake Baikal and the Angara (Baikal outflow), Zhilishche (Baikal inflow) and Ida (Angara...

Water hyacinth (Pontederia crassipes) is one of the most invasive aquatic weed in the world and affects the aquatic life significantly and causes loss of biodiversity. Most of the affected countries are found to be in tropical and sub-tropical countries such as India. The environmental concerns caused due to invasion of exotic species across the gl...

Freshwater periphytic biofilms (FPBs), existing widely in various aquatic environments, have attracted extensive attention for many years. In the present study, a bibliometric analysis based on Web of Science Core Collection (WoSCC) was used to understand the research progress, trends, and hot topics of FPBs qualitatively and quantitatively. The re...

Understanding the historical evolution of science development for rethinking science in the Anthropocene is crucial for our future survival. This paper analyzed the knowledge development of the top 95 most researched river basins in the Web of Science database in the past 3 decades (1987–2017) using a network metric-based framework, comprising one...

A Lego Serious Play (LSP) ‐ based exercise was developed to support student engagement with learning consolidation at the end of a first‐year undergraduate cell biology course. The exercise was offered in addition to a regular revision session in preparation for the summative exam. Students were studying four‐year BSc (Hons) degrees in: Animal Biol...

The River Indus is one of the most extended water bodies in Pakistan. It is a source of drinking water, hydroelectric power generation, irrigation, agriculture and aquaculture. The present examination wanted to survey the river’s physicochemical parameters and biodiversity from June 2016 to May 2017. Total eight stations have been selected along th...

Ten anadromous lamprey species (Petromyzontiformes) are recognized around the world, including four species in the Southern Hemisphere and six in the Northern Hemisphere. Eleven threats to these anadromous lampreys have been identified: climate change, shifting oceanographic regimes, artificial barriers, low water quantity/flow management, habitat...

The experiment was conducted to investigate the morphometric and meristic analysis of critically endangered catfish, Rita rita. Total 190 specimens of both sexes were collected during March – August 2015 from Indus River near Jamshoro, Sindh, Pakistan and analyzed in the laboratory of the Department of Freshwater Biology and Fisheries. Measurement...

• Parasites can negatively affect hosts at individual, population, and species-level scales. However, the link between individual- and population-level impacts is often poorly understood. In particular, the population-level response to parasitism may alter wider ecosystem dynamics if animals with ecosystem engineering capabilities are infected. • H...

Mucilage (sea saliva) is a thick, sticky substance produced by almost all plants and some microorganisms. It is formed by the combination of many biological and chemical conditions. It plays various roles in plants such as storing water and food, germination of seeds and membrane thickening. Although there are many different reasons, it is possible...

Tyre Wear Particles (TWP) are the abraded surface of vehicle tyres, between 1nm to 0.5mm, and deposited on the road surface or blown into surrounding environments. TWP comprise a cocktail of natural rubber, synthetic compounds, fillers, antioxidants, antiozonants and curing systems. Due to the mix of materials, they are classed as a microplastic....

Despite an increasing number of geochemical and palynological data representing the Lateglacial and Holocene sediment sequences that are used to evaluate long-term and short-term interactions between soil and vegetation, the main environmental drivers of these processes are not fully understood so far. Soil composition, vegetation and lake evolutio...

As phosphorus plays a significant role in the maintenance of ecosystem service at watershed scale, it has been studied with a dramatic growth of publications. The bibliometric dataset of publications on watershed phosphorus was downloaded from the Science Citation Index Expanded from the Web of Science and visualized with cluster and network analys...

Arsenic (As) bioaccumulation and biotransformation in marine ecosystems involve a number of fields and disciplines such as Environmental Sciences & Ecology, Marine & Freshwater Biology, and Toxicology. Arsenic research in these areas has been developing rapidly in recent years. It is crucial to keep up with the emerging trends and critical developm...

Freshwater Biology Volume 65, Number 3, March 2020 The cover image is based on the Original Article Effects of land cover type on community structure and functional traits of alpine stream benthic macroinvertebrates by Alberto Scotti et al., https://doi.org/10.1111/fwb.13448. Photo credit: Alberto Scotti.

Karst represents a specific area consisting of surface relief and surface-underground hydrographic networks resulting from the water circulation and its aggressive chemical and physical action in, over and along the layers of soluble rocks (limestone, marble, dolomite, gypsum, chalk, salt etc.). It covers approximately 25% of the Earth's land surfa...

The pattern and intensity of hydrological variability significantly influences on biotic structure and activity. On the other hand, biotic structures can regulate abiotic ones. As a result of these interrelationships a new concept called ecohydrology has emerged. Its rapid development is a consequence of fact that complex scientific questions as we...

Top-order predators play an important role in the structure and function of marine ecosystems. Optimal foraging theory predicts that predators will utilise foraging strategies that maximise their net energetic intake, and consequently, individuals within a population may utilise alternate strategies to target different prey resources. The present s...

In this research, indexed articles of faculty members and researchers of the Iranian Fisheries Research Institute (IFRI) based on qualitative and quantitative scientometric indicators in Web of Science database were investigated. Scientometric and citation analysis methods have been used to conduct the research. Findings indicated that 498 authored...

The platypus (Ornithorhynchus anatinus) is one of the world's most evolutionarily distinct mammals, one of five extant species of egg-laying mammals, and the only living species within the family Ornithorhynchidae. Modern platypuses are endemic to eastern mainland Australia, Tasmania, and adjacent King Island, with a small introduced population on...

Cyclomorphosis is a temporal, cyclic or induced morphological change that occurs in the planktonic population, primarily as the outcome of abiotic or biotic factors in the environment. This phenomenon is noted in the dinoflagellates, rotifers, cladocerans and much strikingly in the copepods. In this study, search engines like the Google Scholar, Na...

As post-transcriptional regulators, microRNAs (miRNAs) play an important role in growth and reproductive processes. So far, there is limited information regarding crustacean miRNAs. To explore the potential role of miRNAs in the gonadal development of the prawn Macrobrachium rosenbergii, we constructed seven small RNA libraries from ovarian and tes...

Freshwater mussels (Bivalvia: Unionidae), which are keystone species of freshwater ecosystems, are in global decline. In addition to ecological/genetic studies, morphological examinations are needed to help provide information for the development of additional freshwater mussel studies and eventually conservation efforts for freshwater ecosystems....

The cover image, by Dustin T. Lynch et al., is based on the Original Article The influence of drought on flow‐ecology relationships in Ozark Highland streams, DOI: 10.1111/fwb.13089. Image Credit: Dustin Lynch, Arkansas Natural Heritage Commission.

One of Freshwater Biology course problems is that the students were unable to understand the environmental phenomena around them. The aim of this study was to develop issue-based teaching materials in Freshwater Biology course to improve the students’ understanding about the environmental phenomena through their learning outcomes. This research and...

Despite large advances in the state of the science of stream ecology and river mechanics, the practitioner-driven field of stream restoration remains plagued by narrowly focused projects that sometimes even fail to improve aquatic habitat or geomorphic stability—two nearly universal project goals. The intent of this article is to provide an accessi...

a period which had seen the publication of the first guide book on Hong Kong dragonflies (Wilson, 1995) and the expansion of the Hong Kong check list by 70%, including several new taxa described by Wilson. In addition to providing an up to date check list of species, Wilson (1997) also identified species of conservation interest, listing 24 interna...

The feeding functional response is one of the most widespread mathematical frameworks in ecology, marine biology, freshwater biology, microbiology, and related scientific fields describing the resource‐dependent uptake of a consumer. Since the exact knowledge of its parameters is crucial to predict, for example, the efficiency of biocontrol agents,...

Optimal foraging theory predicts that predators will employ strategies that maximise their net energetic return. Foraging site fidelity (the re-use of a prior foraging area) is assumed to be beneficial, because it facilitates direct travel to foraging areas and familiarity with a foraging area may confer energetic advantages over the lifetime of an...

The genus Daphnia O. F. Müller (Crustacea: Cladocera) is a model taxon for freshwater biology and a crucial component of freshwater food webs. However, the genus contains commonly studied species groups, such as Daphnia longispina sensu lato, that are taxonomically confused and poorly characterized with respect to morphology. Here we: (1) analyse t...

The feeding functional response is one of the most widespread mathematical frameworks in Ecology, Marine Biology, Freshwater Biology, Microbiology and related scientific fields describing the resource-dependent uptake of a consumer. Since the exact knowledge of its parameters is crucial in order to predict, for example, the efficiency of biocontrol...

The advent of Fastloc-GPS is helping to transform marine animal tracking by allowing the collection of high-quality location data for species that surface only briefly. We show how the improved location accuracy of Fastloc-GPS compared to Argos tracking is expected to lead to far more accurate home range estimates, particularly for animals moving o...

Determining the time of day that animals initiate and end migration, as well as variation in diel movement patterns during migration, provides insights into the types of strategy used to maximise energy efficiency and ensure successful completion of migration. However, obtaining this level of detail has been difficult for long-distance migratory ma...

Numerous studies have sought to clarify the link between biological communities and environmental factors in freshwater, but an appropriate model is still needed to predict the effect of water quality and hydromorphology improvement on biological communities and to provide useful information for ecological restoration planning. In this study, a sup...

Penelitian ini merupakan penelitian deskriptif dengan tujuan untuk menganalisis aktivitas dan sikap ilmiah mahasiswa pada perkuliahan Biologi Air Tawar melalui model pembelajaran Project Based Learning (PjBL). Sampel dalam penelitian ini adalah seluruh mahasiswa yang memprogramkan matakuliah Biologi Air Tawar pada program studi Pendidikan biologi S...

Subsurface groundwater-surface water mixing zones (hyporheic zones) have enhanced biogeochemical activity, but assembly processes governing subsurface microbiomes remain a critical uncertainty in understanding hyporheic biogeochemistry. To address this obstacle, we investigated (a) biogeographical patterns in attached and waterborne microbiomes acr...

The study of freshwater ecosystems in the country has long had the reputation of being fragmentary and inconsistent, especially when compared to its marine counterparts. Other scientists have in fact noted that many studies that have been conducted on Philippine freshwaters have not gone beyond the "age of exploration", which resulted to it being p...

This study involves evaluation of a novel iterative group-based learning task developed to enable students to actively engage with assessment and feedback in order to improve the quality of their written work. The students were all in the final semester of their final year of study and enrolled on either BSc Zoology or BSc Marine and Freshwater Bio...

Observations of synchronous rapid growth of embryos and ovarian follicles in pregnant females during the half-year December–May leading to parturition, ovulation, mating, and fertilization suggest Urolophus cruciatus has the capacity for an annual reproductive cycle. Conversely, the higher proportion of the pregnant females in the population carryi...

The quantity of wildlife extracted from the Amazon has increased in the past decades as a consequence of an increase in human population density and income growth. To evaluate the spatial distribution of studies on subsistence and/or commercial hunting conducted in the Brazilian Amazon, we selected eight mid-sized and large-bodied aquatic vertebrat...

The at-sea distribution of seabirds primarily depends on the distance from their breeding colony, and the abundance, distribution and predictability of their prey, which are subject to strong spatial and temporal variation. Many seabirds have developed flexible foraging strategies to deal with this variation, such as increasing their foraging effor...

This paper presents the course of events of a five-day summer camp on environmental chemistry with high emphasis on chemical analysis. The annual camp was optional and open for students of all disciplines and levels. The duration of the summer camp was five and a half days in the Feldberg Lake District in northeast Germany (federal state of Mecklen...

You are now consulting the celebratory volume 750 of Hydrobiologia, the international journal of aquatic sciences. The journal has, since its first volume in March 1948, now exactly 67 years ago, covered a lot of ground and has seen a lot of change in the landscape of scientific publishing in general, and in that of aquatic biodiversity in particul...

Inorganic nutrients play a critical role in determining benthic community structure in tropical seas. This study examined the impact of adding inorganic nutrients (ammonium and phosphate) on the isotopic composition of 2 reef-building corals, Pocillopora damicornis and Heliofungia actiniformis, on the southern Great Barrier Reef. The addition of el...

https://gupea.ub.gu.se/bitstream/2077/37057/1/gupea_2077_37057_1.pdf; Thesis for the degree of Doctor of Philosophy, titled: Blue Oceans with Blue Mussels - Management and planning of mussel farming in coastal ecosystems. Author: Per Bergström; 2014, University of Gothenburg, Department of Biological and Environmental Sciences; ** Thesis summ...

Molecular genetic techniques have been used in freshwater biology for more than 30 years. Early work focussed on studies of population structure, systematics and taxonomy. More recently, the range of studies has broadened to include ecology and adaptation. Advances in analytical methods and in technology (e.g. next‐generation sequencing) and decrea...

Biofoulers accumulate on underwater surfaces and adversely affect human activities and infrastructure. Freshwater biofoulers are much less well-known than their marine counterparts but can be economically important: we estimate the potential global cost of freshwater biofouling to be ∼US$277 million per year. They include several groups of organism...

17 KEY DISCOVERIES, INNOVATIONS in some areas of ecology, environmental sciences, biology (selected). Key words in various languages: German, Japanese, Spanish, Chinese, Italian, Polish, Czech, Turkish, Ukrainian, French, Slovak, Arabic, et al. https://www.researchgate.net/publication/260297085 https://www.researchgate.net/publication/259868034_17...

1. de Senerpont Domis et al. (2013, Freshwater Biology, 58, 463–482) forecasted changes in plankton dynamics in temperate, polar and tropical regions resulting from climate change. For tropical regions, they predicted an increase in precipitation intensity that would increase nutrient loading, increasing phytoplankton biomass and select for plankto...

Freshwater habitats are always the matter of interest for environmentalist and students. In the first half of this book covers the detail account of freshwater habitats like lentic and lontic, ephemeral, permanent, semi-permanent, lakes, glacial, riverine etc. Also, biotic and abiotic feature of aquatic environment, biological complexes associated...

Building national capacity for research and education in Africa requires coordinated efforts by research and educational institutions. Fish Biodiversity Research and Education in Kenya is an International Research Experience for Students (IRES) funded by the US-NSF. The initiative was started in 2010 and has provided opportunities for undergraduate...

Green roof research is a multidisciplinary and new research area. We conducted a bibliometric quantification to assess the rate of publications in specific areas of research for this novel research area based on the scientific literature as available from the Web of Science. Bibliometric research can provide valuable information about changes in th...

Population outbreaks of the coral-feeding crown of thorns starfish, Acanthaster planci (Fig. 1a), are, with storms, the most significant disturbance on coral reefs in the western Pacific (e.g., De'ath et al. 2012). Controlling outbreaks of A. planci is therefore increasingly viewed as a key strategy in reducing coral loss and reef degradation. Init...

The importance of predation risk in shaping patterns of animal migration is not well studied, mostly owing to difficulties in accurately quantifying predation risk for migratory versus resident individuals. Here, we present data from an extensive field study, which shows that migration in a freshwater fish (roach, Rutilus rutilus) that commonly mig...

Extreme tidal events are one of the most predictable natural disturbances in marine benthic habitats and are important determinants of zonation patterns in intertidal benthic communities. On coral reefs, spring low tides are recurrent disturbances, but are rarely reported to cause mass mortality. However, in years when extremely low tides coincide...

Dorsal white muscle is the standard tissue analysed in fish trophic studies using stable isotope analyses. However, sampling white muscle often implies the sacrifice of fish. Thus, we examined whether the non-lethal sampling of fin tissue can substitute muscle sampling in food web studies. Analysing muscle and fin δ(15)N and δ(13)C values of 466 Eu...

1. We collected chironomid larvae and measured basic environmental variables in eight high mountain streams with different degrees of glacial influence in southern Tibet. 2. In total, 32 chironomid taxa were collected. The Orthocladiinae subfamily dominated both in taxon number and in abundance. 3. Both average taxon number and abundance were lower...

Zooplanktonic animals live in the open water of freshwater habitats, whilst trematodes are ubiquitous parasitic worms of aquatic vertebrates and invertebrates. A defining characteristic of trematode life cycles is the cercariae, a mainly planktonic free-living larval stage that emerges into the aquatic environment from infected molluscan hosts. Cer...

1. Food webs are a powerful whole-system way to represent the patterns of biodiversity and energy flow in a readily quantifiable framework amenable to comparative analyses. Integrated theory and data on complex trophic interactions provide useful and novel ways to study ecosystem structure, dynamics, function and stability. 2. Freshwater ecology ha...

Alþjóðlega ritrýndar vísindagreinar (ISI-greinar) sem birtast í tímaritum samkvæmt ákveðnu gæðakerfi eru skráðar í vefsetur Thomson Reuters (áður Institute for Scientific Information). Að nálgast gögn úr þessum öfluga gagnagrunni er notendavænt og fljótlegt. Gagnagrunnurinn er víða notaður í vísindaheiminum og er hann mikilvægur við miðlun á rannsó...

The Tibetan Plateau is not only the highest and largest plateau on earth; it is also home to numerous freshwater lakes potentially harbouring endemic faunal elements. As it remains largely unknown whether these lakes have continuously existed during the Last Glacial Maximum (LGM), questions arise as to whether taxa have been able to exist on the pl...

In normal reservoir condition young-of-the-year European perch create simultaneously three different communities – epipelagic, bathypelagic and littoral (Čech et al. 2005). Bathypelagic perch fry perform regular diel vertical migrations (DVM) staying in deep, dark and cold water during daylight hours and spent the night in relatively warm water clo...

The following CPR Atlas contains the biogeographical distribution of 240 common pelagic plankton taxa of the North Sea and North Atlantic Ocean. The biogeographical charts were produced using data collected by the Continuous Plankton Recorder (CPR) survey from 1958 to 1999, incorporating over 155 000 plankton samples. The methodology on spatial int...

Biomolecule sequences and structures of land, air and water species are determined rapidly and the data entries are unevenly distributed for different organisms. It frequently leads to the BLAST results of homologous search containing undesirable entries from organisms living in different environments. To reduce irrelevant searching results, a sepa...

We performed an environmental study of viruses infecting the symbiotic single-celled algae of Paramecium bursaria (Paramecium bursaria Chlorella virus, PBCV) in Lake Biwa, the largest lake in Japan. The viruses detected were all Chlorella variabilis virus (CvV = NC64A virus). One of them, designated CvV-BW1, was subjected to further characterizatio...

Freshwater microalgal biofouling in hydropower canals in Tarraleah, Tasmania, is dominated by a single diatom species, Gomphonema tarraleahae. The microfouling community is under investigation with the aim of reducing its impact on electricity generation. Species succession was investigated using removable glass slides. Fouled slides were examined...

The jaraquis (Semaprochilodus spp.) are the most abundant group in the fishing landing in Manaus. However, just command and control management strategies have been used by the fishery governmental agency in the region without the power to enforce centralized decisions. The fishermen and their culture represent a source of information on dynamics of...