Aquatic Ecosystems - Science topic

• Section -1- Introduction: Measuring Ecosystem services • Section-2- Terrestrial Ecosystem services: monitoring and assessment (Forests, Woodlands, • grasslands, Soils, and agro-ecosystems) • Section-3- Wetlands & Aquatic Ecosystem services: monitoring, assessment (Riverine, coastal, • wetlands, mangroves, marsh, swamp ecosystems) • Section-4- Int...

Section -1- Introduction and Advancement: Measuring Ecosystem services: scope, prospective and importance  Section-2- Terrestrial Ecosystem: monitoring and assessment (Forest, grassland and agro-ecosystems)  Section-3- Wetlands & Aquatic Ecosystem services: monitoring, assessment, Provisioning & Supporting Ecosystem services (Riverine, coastal, w...

The aim of this inquiry was to evaluate the efficacy of the Q(r) index, designed for river environments and applied for the first time to Turkish rivers, in delineating the water quality of the Çorum Stream. We were also intrigued by deducing the primary pollutants via trait-oriented phytoplankton community analysis and evaluating the functional ca...

Surma River, which flows through Sylhet, is an essential source of aquatic resources and water resources in the region. But expansion of urban region has also increased the pollutants in the river’s water which has immersed as a huge problem for Surma’s physiochemical properties. This study has been focused on evaluating the impact of water polluti...

Dear Colleagues, Aquatic ecosystems in urban and peri-urban settings provide essential services to the surrounding human populations, from the provision of drinking water, irrigation water for urban farming, tourism, transport services, and hydropower generation to recreational activities such as fishing and boating. In spite of the resource and h...

Accurate monitoring of dissolved oxygen (DO) levels is critical for stakeholders to effectively safeguard water resources and aquatic ecosystem health. This research presents an innovative data fusion framework based on Bayesian model averaging (BMA) by the combination of several neuroscience models (deep learning methodologies) including multilaye...

River water pollution, especially in the Brantas River Basin (DAS), is one of the serious environmental problems that impacts the quality of aquatic ecosystems. This study aims to design the interface of the "BEMAVERT" application, which uses the macroinvertebrate family as a bioindicator to detect water pollution levels effectively and efficiently...

Chlorpyrifos (CPF) is an organophosphate insecticide that is extensively utilized globally due to its effectiveness against over 200 pest species. CPF exhibits its toxicity primarily through the inhibition of the acetylcholinesterase (AChE) enzyme, while mitochondrial damage and dysfunction have also been observed. The present study quantified the...

Environmental DNA (eDNA) metabarcoding is a powerful method for monitoring aquatic biodiversity and evaluating ecosystem health. In this study, we applied eDNA metabarcoding and a multi-species biotic integrity index (Mt-IBI), constructed by selecting and screening core metrics to capture key ecological responses, to assess the Irtysh River Basin i...

Aquatic ecosystems are reservoirs of biodiversity and are highly threatened. Among the main threats to biodiversity are invasive species and global warming, the later has allowed the establishment of invasive species from originally warmer climates outside their native range by reducing the barriers to their establishment and distribution. Behaviou...

The good functioning of aquatic ecosystems is essential for providing diverse ecosystem services that benefit humans. The degradation of ecosystem health due to continuous stressors, such as climate change or water pollution, is leading to an increase in human health risks and well-being. Indicators have been developed to determine human health ris...

Dendam Tak Sudah Lake (DDTS) is an aquatic ecosystem and nature reserve located in Dusun Besar Village, Singgaran Pati District, Bengkulu City. Its presence serves not only as a tourist destination and irrigation water supply for rice fields but also as a habitat for phytoplankton. The land use changes around the DDTS Nature Reserve have impacted t...

Temperature and dissolved oxygen (DO) are of critical importance for sustainable aquatic ecosystem and biodiversity in the river systems. This study aims to develop a data-driven model for forecasting water quality in the Athabasca River using a seasonal autoregressive integrated moving average model (SARIMA) for forecasting monthly DO and water te...

Snow trout (Schizothorax), endemic to the high-altitude freshwater systems of the Tibetan Plateau and the Tien Shan Mountains region, are key components of these ecosystems. This fish lineage may serve as an appropriate model to understand the evolution of biodiversity in the Tien Shan Mountain water ecosystems. However, research has been hindered...

Aquatic ecosystems are highly dynamic environments vulnerable to natural and anthropogenic disturbances. High-economic-value fisheries are one of many ecosystem services affected by these disturbances, and it is critical to accurately characterize the genetic diversity and effective population sizes of valuable fish stocks through time. We used gen...

The widespread presence of antibiotic resistance genes (ARGs) in livestock and poultry farming poses a significant threat to the ecological environment and public health. In this paper, the causes, transmission routes and environmental impacts of ARGs in livestock and poultry breeding environments are reviewed. ARGs spread in the environment throug...

Eutrophication in Buddha Sagar, a key freshwater resource, poses a growing threat to both aquatic ecosystems and water quality. This study investigates the underlying causes and ecological impacts of eutrophication in the lake, focusing on nutrient overload from agricultural runoff, urban waste, and industrial discharge. Elevated levels of nitrogen...

High-resolution satellite imagery providing long-term, continuous information on surface water extent in highly developed regions is paramount for elucidating the spatiotemporal dynamics of water bodies. The landscape of water bodies is a key indicator of water quality and ecological services. In this study, we analyzed surface water dynamics, incl...

Due to the high altitude, unique geographical location, difficult accessibility and low temperature, the environmental factors influencing phytoplankton composition have rarely been investigated in the Selin Co Lake, which is the largest lake in the Tibetan Plateau. Phytoplankton composition can indicate aquatic ecosystem conditions, which may be s...

Monitoring the parameters and behavior of plankton makes it possible to assess the state of the aquatic ecosystem and detect the beginning of an environmental disaster at an early stage. In this respect, the most informative method for the in situ plankton study is underwater digital holography. This method allows obtaining information on the size,...

The water resource management of transboundary mountainous river basins under climate change is expected to be challenging. In order to contribute to the better understanding of climate change effects on the water resources of the mountainous and transboundary Prespa Lakes basin, a hydrological model of the Agios Germanos River, one of the main riv...

To date, the assessment of risks related to nanoplastics (NPLs) has been incipient. Attempts to establish safety levels to support decisions regarding restrictions on the use or reuse of materials derived from petrochemicals are critical, but the complexity of datasets makes it difficult to communicate potential NPLs-related environmental risks. Th...

The SpongeScapes project aims to accelerate understanding Nature-based Solutions (NBS) that enhance the sponge functioning of soil, groundwater, and surface water ecosystems, improving landscape resilience against hydrometeorological extremes across diverse climates. One NBS being explored within SpongeScapes is the adoption of Regenerative Agricul...

Os aterros sanitários são locais destinados à disposição final de resíduos sólidos. Para minimizar os impactos ambientais, é crucial seguir legislações ambientais. Isso inclui a implementação de sistemas de controle ambiental, como impermeabilização para proteger o solo e a água subterrânea, drenagem do lixiviado para tratamento posterior, e monito...

Aquatic ecosystems are permanently challenged with various hydrocarbons during oil spillage. Knowledge of indigenous oil-degrading bacteria is a cost-effective and environmentally friendly way of bioremediation of hydrocarbon-polluted water. This study was carried out to isolate hydrocarbon-degrading bacteria associated with crude oil-polluted Rive...

Prompt and accurate monitoring of cyanobacterial blooms is essential for public health management and understanding aquatic ecosystem dynamics. Remote sensing, in particular satellite observations, presents a good alternative for continuous monitoring. This study employs multispectral images from the Sentinel-2 constellation alongside ERA5-Land to...

1. An understanding of how biodiversity confers ecosystem stability is crucial in managing ecosystems under major environmental changes. Multiple biodiversity drivers can stabilize ecosystem functions over time. However, we know little about how local environmental conditions can influence these biodiversity drivers, and consequently how they indir...

ADÁN ELIEL APARICIO-ONTIVEROS beneMériTa universidad auTónoMa de Puebla, FaCulTad de CienCias biológiCas PABEL ANTONIO CERVANTES-AVILÉS TeCnológiCo de MonTerrey, esCuela de ingeniería y CienCias, CaMPus Puebla Resumen El nitrato de amonio combinado con diésel es am-pliamente utilizado en la minería para hacer explo-sivos ANFO. Dichos explosivos afe...

This study provides a comprehensive review of eutrophication assessment and simulation within surface water ecosystems. It is noted that the majority of contemporary models and assessment methodologies fail to account for variations in local stream characteristics and their consequent impacts on biotic communities. To visualize the progression and...

In recent years, the ecological protection of river and lake environments has gradually gained attention from both the government and society. To achieve a healthy aquatic ecosystem, our country places significant emphasis on safeguarding river and lake environments. The long river system is managed through a responsibility framework that involves...

Severe microalgae blooming is detrimental towards human life and the aquatic ecosystem in which it is blooming uncontrollably in. Chlorophyll concentration is a common parameter used to predict microalgal bloom. In this study, a variety of ensembled tree models which consists of random forest, gradient boosting frameworks, specifically XGBoost and...

As wildfire regimes shift, resource managers are concerned about potential threats to aquatic ecosystems and the species they support, especially fishes. However, predicting fish responses can be challenging because wildfires affect aquatic ecosystems via multiple pathways. Application of whole-ecosystem approaches, such as food web modeling, can a...

Background The ubiquity of ammonical nitrogen (NH 3 -N) in aquatic habitats is a contradictory phenomenon since it serves a crucial function in maintaining these ecosystems, yet when levels are too high, they can have adverse effects on ecological balance and human welfare. An extensive set of batch tests were used in this study to see how well the...

Tor putitora is an endangered cyprinid fish constrained to cold water and is also considered an indicator of a healthy aquatic ecosystem. The present study aimed to examine the haplotypic diversity, genetic variation and population structure of T. putitora isolates using COI and Cyt b gene sequences submitted in GenBank. Bioinformatic analysis was...

The frequency and spatial extent of cyanobacterial bloom outbreaks have increased in recent years due to climate warming and human activities, causing significant harm to inland water ecosystems. Phycocyanin (PC), a characteristic pigment of cyanobacteria, plays a crucial role in detecting cyanobacterial blooms and providing early warnings. However...

The seagrass beds at Libong Island, Thailand, are a complex ecological habitat supporting many marine organisms. Unfortunately, the seagrass area is being lost, possibly exerting adverse impacts on aquatic life, but comprehensive aquatic monitoring and assessment efforts are still lacking. In this study, sentinel species were selected from two spec...

Situated amidst the picturesque landscapes of Chaowki, Mohla, and Manpur, the Mongra Reservoir is a vital aquatic resource in the region. This expansive reservoir, known for its serene beauty and ecological significance, has also become a focal point for innovative aquaculture practices, particularly cage culture. Cage culture, a method of fish far...

Kubah and Santubong National Parks are among Sarawak's heritage ecological treasures, featuring diverse land and water ecosystems that are vital to state and national biodiversity. The conservation and preservation of these parks is crucial for maintaining the sustainability of the environment and ensuring that future generations can continue to be...

O presente trabalho tem como objetivo determinar o Índice do Estado Trófico nas águas do rio Itanhém, no trecho da sub-bacia compreendida entre os municípios de Teixeira de Freitas e Alcobaça. As análises seguiram o recomendado pela American Public Health Association (APHA) descritas no Manual Prático de Análise de Água. Os resultados evidenciaram...

Water security in Indonesia faces the challenge of an imbalance between water demand and availability. The conservation aspect is the key to sustainable development. The description of the portrait of water resources, in terms of regulations and policies, needs to be reviewed further to provide recommendations for more careful planning towards a Go...

Este ensaio objetivou analisar as causas, refletir sobre os impactos e divulgar conceitualmente a categoria colonialismo molecular, em um contexto ecológico, tendo como pano de fundo o modus operandis de indústrias químicas e os impactos ao ecossistema aquático, especialmente sua fauna, assim como na saúde de pescadores tradicionais. Os argumentos...

ABSTRACT An assessment of ecosystem health of an effluent receiving floodplain wetland, Etila beel (26º08/- 26o10/ N and 92º08/ - 92º11/ E) of Kamrup Metro district, Assam, India was carried out using aquatic insects as bioindicator during September, 2013 to August 2016. Insects were collected from five sites (S1, S2, S3, S4, and S5) in four differ...

Denitrification and anaerobic ammonium oxidation (anammox) are the major microbial processes responsible for global nitrogen (N) loss. Yet, the relative contributions of denitrification and anammox to N loss across contrasting terrestrial and aquatic ecosystems worldwide remain unclear, hampering capacities to predict the human alterations in the g...

Purpose. To investigate the current state of the ichthyofauna in the Khrystoforivske Reservoir (nearshore and pelagic fish communities), the peculiarities of the distribution of fish communities, their abundance, as well as bioproduction capabilities, the prospects for further fisheries use of the reservoir, considering the ecologically balanced lo...

Freshwater bivalve molluscs are ecologically and economically significant, providing essential ecosystem services such as water filtration, nutrient cycling, and habitat structuring. In Maharashtra, these molluscs play a crucial role in maintaining aquatic ecosystem health while also supporting livelihoods through fisheries and aquaculture. However...

The aquatic ecosystem is negatively impacted by organic dye contamination, which is now one of the factors leading to environmental pollution. The present investigation involved the synthesis of nanocellulose (NC) and nanocellulose modified with NiO (NC/NiO) composite using acid hydrolysis and a one-step precipitation technique for NC and NiO, resp...

Introduction: Silver nanoparticles (AgNPs) are widely utilized for their exceptional antimicrobial properties, but concerns persist regarding their environmental impacts, particularly in soil and water ecosystems. This study compared the effects of chemically and biologically synthesized AgNPs and ionic silver on bacterial communities commonly pres...

Segmentation of digital images of fish is an important challenge in image processing in the field of marine biology and aquaculture. Extraction of fish shape features through image segmentation can improve accuracy in species identification and fish population monitoring. The U-Net method, which is based on deep learning, has been proven effective...

A urbanização acelerada tem alterado significativamente a dinâmica hídrica nas cidades, impactando a qualidade da água de escoamento pluvial. Este estudo foca no município de Fortaleza no estado do Ceará, Brasil, onde o rápido crescimento urbano apresenta desafios únicos para a gestão da qualidade hídrica. Nesse contexto, o objetivo dessa pesquisa...

Introduction Heavy metal pollution threatens the biodiversity and ecological equilibrium of the Nile River. This study investigates the impact of heavy metal pollution on aquatic animals such as Nile tilapia (Oreochromis niloticus) in the Damietta branch of the River Nile and El-Rayah El-Tawfeeky canal in Benha City in Egypt. Methods Fish and wate...

Temperature and nutrients are known as crucial drivers for the variations of bacterial community structure and functions in oceans and lakes. However, their significance and mechanisms in influencing the bacterial community structure and function in mountain stream remain unclear. In this study, we investigated the spatiotemporal patterns of the ba...

Ichthyophthirius multifiliis, a parasitic ciliate, causes “white spot disease” in freshwater fish and poses a significant threat to global freshwater aquaculture. Eliminating the free-swimming theront stage from the aquaculture environment is a critical measure for controlling I. multifiliis infections. The natural predator of I. multifiliis theron...

Pesticides usage has helped to maximize the production of food from the last century, and even currently there is a growing demand to double it as to fulfill the growing food demand of population growth. This forces the farmers into the extensive use of pesticides to enhance production of crops, however it causes toxicity in animals and human healt...

Freshwater ecosystems, including high-altitude lakes, can be affected by trace metal pollution derived from a mix of natural sources and anthropogenic activities. These pollutants often collect in surface sediments, with notable concentrations in the deeper areas of lakes. To evaluate the environmental risk associated with metal contaminated sedime...

Today, in the conditions of warfare, there is constant local pollution of the environment due to the use of explosives, fires, spillage of fuel and lubricants, etc. Every day, the danger increases when the water drainage systems of various enterprises are damaged, such as mining enterprises, facilities of the energy, metallurgy, chemical, petrochem...

The great cormorant (Phalacrocorax carbo hanedae) is one of the largest piscivorous water birds in Japan. It is in the phase of recovery from a long-term decline in the numbers, with its population drastically increasing throughout Japan. This potentially impacts cormorant’s predation conflicts with inland fisheries. Recent cormorant migrants often...

Microplastic (MP) pollution has become a pressing environmental issue globally, prompting extensive research into its prevalence, distribution, and composition in diverse ecosystems. This study offers a comprehensive analysis of MP contamination in Indian lakes, rivers, and coastal environments, synthesizing recent investigations across the country...

Cadmium (Cd) is a highly toxic substance in the aquatic ecosystem, which can represent a high risk to fish. Fish are exposed to heavy metals through waterborne and dietary pathways, some of which are absorbed by the body and can accumulate in specific tissues without being eliminated. The accumulation varies depending on several factors such as dos...

Climate change exerts both direct and indirect influences on the eutrophication of surface water ecosystems in various ways. This study aimed to evaluate the impact of temperature fluctuations on trophic levels through various interdisciplinary coupling analysis methods after land use change, which including water and sediment sample analysis, hydr...

Currently, the research conducted in the world ocean should be focused on solving the problems that are necessary to study in water basins. This series includes the hydrobiological regime of waters, the detection and elimination of damages caused by anthropogenic influence on the life of hydrobionts, the impact of climate changes on water bodies, a...

Water quality is an important factor for the survival of most living things, such as the production process of intensive aquaculture systems. In addition, it is crucial to protect fishes from any possible catastrophe caused by pollution. In this context, it is essential to monitor, control and predict water quality to have high-quality fish farming...

The extensive use of nanoparticles (NPs) increases the possibility of their deposition into water ecosystems and endangering aquatic life. Thus, this study aimed to assess the acute effect of copper oxide nanoparticles (CuO NPs) on the freshwater clam, Corbicula fluminea. Biochemical, histopathological, and genotoxic biomarkers were examined to ach...

Conservation and land use policies are key to regulating water in watersheds, influencing water quantity, quality and storage, and mitigating risks such as erosion and flooding. In Ecuador, the Socio Bosque Program (SBP), part of the Good Living Development Plan (2013-2017), focused on conservation without fully considering water benefits. To optim...

Water ecosystems are under intense anthropogenic influence, which leads to an increased presence of pollutants, including a large number of toxic substances, primarily heavy metals, which requires constant monitoring. Fish are one of the most indicative factors for assessing water pollution with harmful elements, and this is important not only for...

L’étude vise à analyser quelques pratiques courantes observées chez les pêcheurs récréatifs du département de Korhogo, dans le nord de la Côte d’Ivoire. Les pêcheries récréatives jouent un rôle socio-économique non négligeable dans cette circonscription administrative car elles capitalisent sur les potentiels divertissant et alimentaire des écosyst...

A Organização das Nações Unidas (ONU) aprovou, em 2015, a Agenda 2030, estruturada com 17 Objetivos de Desenvolvimento Sustentável (ODS) a serem alcançados até o ano de 2030. Dentre eles, o ODS 14 aborda ações de conservação e uso sustentável dos oceanos, mares e recursos marinhos. No contexto da educação formal, os conteúdos programáticos associad...

Decomposition of submerged plants releases organic matter, nitrogen, and phosphorus into water bodies, generating an important impact on the aquatic ecosystem. This study explored the influence of growth substrate with different compositions on the decomposition process of eelgrass (Vallisneria spinulosa Yan, V. spinulosa Yan). The sediment + iron–...

Aquatic ecosystems face increasing threats from heatwaves driven by anthropogenic climate change, necessitating continued research to understand and manage the ecological consequences. Experimental studies are essential for understanding the impacts of heatwaves in aquatic systems; however, traditional experimental methods often fail to capture rea...