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  • Article
  • Open Access
457 Views
21 Pages

22 June 2026

Quantifying vegetation ecological quality and ecological water requirement is essential for understanding ecosystem sustainability in arid regions. However, large-scale assessments of vegetation ecological quality and ecological water requirement thr...

  • Article
  • Open Access
7 Citations
2,726 Views
11 Pages

The Influence of the Transition to Ecological Farming on the Quality of Runoff Water

  • Marek Trenčiansky,
  • Martina Štěrbová and
  • Jozef Výbošťok

19 November 2022

The aim of the paper is to analyze and evaluate the long-term impacts of the transition from agricultural production to ecological farming on the quality of runoff water in small catchments based on the analysis of water samples in the period 1986&nd...

  • Article
  • Open Access
38 Citations
5,500 Views
18 Pages

16 April 2018

The shortage of water resources is a key factor limiting the sustainability of the economy and society. Most of the 25 National Key Ecological Function Areas (NKEFAs) in China serve as a source and supplementation for numerous rivers and playing an i...

  • Article
  • Open Access
4 Citations
2,593 Views
13 Pages

22 August 2024

Taitema Lake, situated at the terminus of the Tarim River Basin in Northwest China, represents a crucial ecological resource impacted by climate variability and anthropogenic interventions. In this study, we investigate the dynamic changes in Taitema...

  • Article
  • Open Access
11 Citations
4,101 Views
22 Pages

12 December 2022

In the context of ecological protection and urban expansion, the quality of the ecological environment and ecological security are gravely at risk. A simple, effective, and comprehensive assessment method for regional environmental quality monitoring...

  • Article
  • Open Access
58 Citations
21,853 Views
13 Pages

14 September 2012

Without monitoring anthropogenic pressures on the water environment, it is difficult to set realistic river restoration targets in relation to water quality. Therefore a more holistic approach is needed to systematically explore the links between soc...

  • Article
  • Open Access
7 Citations
2,944 Views
13 Pages

Water Quality Criteria and Ecological Risk Assessment of Typical Transition Metals in South Asia

  • Ying Wang,
  • Tanjena Rume,
  • S. M. Didar-Ul Islam,
  • Wenhong Fan,
  • Jiangyue Wu and
  • Xiaomin Li

Transition metal pollution in rivers in South Asia is more serious than in other regions because of the lack of adequate freshwater management measures. Water quality criteria (WQC) for South Asia is urgently needed to protect regional aquatic enviro...

(This article belongs to the Special Issue Environmental Exposure, Health Effects and Risk)
  • Article
  • Open Access
13 Citations
3,508 Views
12 Pages

Ecological water replenishment via interbasin water diversion projects provides opportunities for ecological river restoration. Untangling water quality changes, microbiota dynamics, and community functions is necessary for sustainable ecological man...

(This article belongs to the Section Water Science and Technology)
  • Article
  • Open Access
3 Citations
1,952 Views
17 Pages

7 September 2023

Maintaining the integrity of ecosystem service functions of rivers has become the top issue in the water shortage area of Northwest China. By combining the coupling relationship of sediment, water quality, and biodiversity and the hydraulic relations...

  • Article
  • Open Access
18 Citations
4,571 Views
19 Pages

18 June 2019

Grazing potential (GP, in % day−1) was estimated for the plankton communities of 13 Greek lakes covering the trophic spectrum, in order to examine its sensitiveness in discriminating different classes of ecological water quality. Lakes with hig...

(This article belongs to the Special Issue Selected Papers from HydroMediT 2018)
  • Article
  • Open Access
11 Citations
4,360 Views
23 Pages

Synergy between Satellite Altimetry and Optical Water Quality Data towards Improved Estimation of Lakes Ecological Status

  • Ave Ansper-Toomsalu,
  • Krista Alikas,
  • Karina Nielsen,
  • Lea Tuvikene and
  • Kersti Kangro

19 February 2021

European countries are obligated to monitor and estimate ecological status of lakes under European Union Water Framework Directive (2000/60/EC) for sustainable lakes’ ecosystems in the future. In large and shallow lakes, physical, chemical, and biolo...

(This article belongs to the Special Issue Remote Sensing of the Aquatic Environments)
  • Article
  • Open Access
12 Citations
3,360 Views
23 Pages

Ecological Discharge Study of Changxinggang River Based on the MIKE 11 One-Dimensional Hydrodynamic–Water Quality Coupling Model

  • Dongjing Huang,
  • Chuanchong Tian,
  • Tao Xu,
  • Zhen Liu,
  • Hongyu Ma,
  • Zexian Zhang and
  • Xinsheng Dong

18 January 2024

In order to safeguard the ecological health of Changxinggang River’s water environment, conducting research on ecological discharge, including establishing reasonable ecological discharge control values, is of great importance. This study utili...

(This article belongs to the Section Ecohydrology)
  • Article
  • Open Access
13 Citations
3,879 Views
15 Pages

Ecological Quality Assessment of Greek Lowland Rivers with Aquatic Macrophytes in Compliance with the EU Water Framework Directive

  • Konstantinos Stefanidis,
  • Georgios Dimitrellos,
  • Maria Sarika,
  • Dionysios Tsoukalas and
  • Eva Papastergiadou

6 September 2022

Aquatic macrophytes are one of the four biological quality elements (BQE) used for assessing the ecological status of inland waters according to the EU Water Framework Directive (WFD 2000/60). With this article, we present the methodological approach...

(This article belongs to the Special Issue Ecological Monitoring and Assessment of Freshwater Ecosystems: New Trends and Future Challenges)
  • Article
  • Open Access
42 Citations
8,433 Views
19 Pages

22 March 2018

In this article, social-economic, legal and ecological perspectives on effectiveness of water quality governance and their interactions have been studied. Worldwide, authorities are facing the challenge of restoring and preserving aquatic ecosystems...

(This article belongs to the Section Social Ecology and Sustainability)
  • Article
  • Open Access
25 Citations
6,981 Views
13 Pages

24 August 2017

To improve aquatic environmental quality and maintain channel stability against soil erosion, ecological bank slope revetments for surface water bodies were developed using a combination of prefabricated porous concrete spheres and vegetation methods...

  • Article
  • Open Access
11 Citations
4,165 Views
23 Pages

15 August 2023

Due to a lack of toxicity reference values that match the regional environmental characteristics, the ecological risk of metals in water bodies cannot be accurately assessed. The Fen River is the second-largest tributary of the Yellow River in China,...

(This article belongs to the Special Issue Monitoring Heavy Metal Pollution for Environmental Health and Safety)
  • Article
  • Open Access
6 Citations
2,307 Views
16 Pages

25 September 2023

To study the metazoan zooplankton community structure and water quality, we investigated the amount of metazoan zooplankton and the water quality in Gaoyou Lake from January to December 2022. Furthermore, we also evaluated the multi-index and nutriti...

  • Article
  • Open Access
10 Citations
4,220 Views
17 Pages

5 September 2022

Land-use patterns influence water quality in lotic ecosystems worldwide; consequently, deteriorating water quality affects fish communities and composition and the ecological health of water bodies. This study aimed to evaluate how land use, stream o...

(This article belongs to the Special Issue Monitoring and Evaluation for Ecosystem Management in Rivers and Streams)
  • Article
  • Open Access
12 Citations
4,078 Views
18 Pages

21 November 2019

With the rapid development of the economy and the intensification of human activities, ecological systems have been degraded, especially in arid areas. The lower reaches of the Tarim River represent a typical arid area in China. Since 2000, the Chine...

(This article belongs to the Special Issue Green and Sustainable Solutions for the Environment)
  • Article
  • Open Access
3 Citations
1,050 Views
19 Pages

21 January 2026

Rapid urbanization has significantly affected urban ecological environments, necessitating accurate and scientific quality assessments. In this study, we develop an enhanced remote sensing ecological index (WRSEI) for water network cities using Linyi...

(This article belongs to the Special Issue GeoAI Application in Urban Land Use and Urban Climate)
  • Article
  • Open Access
1 Citations
1,028 Views
22 Pages

10 July 2025

The South-to-North Water Diversion Project constitutes a fundamental initiative designed to enhance water resource distribution and foster regional coordinated development. To investigate the coupling coordination and its spatiotemporal evolution bet...

  • Article
  • Open Access
1 Citations
1,033 Views
23 Pages

5 March 2026

As Guangdong is a pivotal province in China’s national forest city initiative, examining the spatiotemporal evolution and key drivers of eco-environmental quality (EEQ) in Guangdong is essential for advancing regional sustainable development. T...

(This article belongs to the Special Issue Geospatial Data Science for Landscape Monitoring and Ecological Conservation)
  • Article
  • Open Access
485 Views
21 Pages

30 June 2026

High-mountain lotic ecosystems in the tropical Andes are increasingly threatened by agricultural expansion and seasonal hydrological variability. This study evaluates structural water quality shifts and benthic macroinvertebrate community assembly ac...

(This article belongs to the Special Issue Bio-Indicators in Aquatic Ecosystems: Monitoring, Assessment, Restoration and Conservation)
  • Review
  • Open Access
1 Citations
961 Views
24 Pages

14 April 2026

Water quality prediction in non-stationary environmental systems requires not only high predictive accuracy but also structural robustness under physical, ecological, and operational constraints. This study reframes multi-model fusion as a constraint...

(This article belongs to the Section AI-Enabled Process Engineering)
  • Article
  • Open Access
5 Citations
3,215 Views
14 Pages

22 December 2023

The European Union Water Framework Directive (WFD) is a comprehensive initiative guiding river basin water management, addressing pressures such as pollution from diffuse and point sources, and hydromorphological alterations. However, pressures that...

(This article belongs to the Special Issue Impacts of Invasive Freshwater Fish on Native Fauna and Aquatic Ecosystems)
  • Article
  • Open Access
3 Citations
3,728 Views
21 Pages

Evaluation of the Effect of Agricultural Return Flow on Water Quality, Water Quantity and Aquatic Ecology in Downstream Rivers

  • Taeseong Kang,
  • Yongchul Shin,
  • Minhwan Shin,
  • Dongjun Lee,
  • Kyoung Jae Lim and
  • Jonggun Kim

4 June 2024

Agricultural water serves various functions, including public interest purposes, beyond its primary role in agricultural production. In order to evaluate the various public interest purposes of agricultural water, a quantified study of the effect of...

(This article belongs to the Special Issue Impact of Climate and Socio-Economic on Irrigation Water Management and Agricultural Water Productivity)
  • Article
  • Open Access
49 Citations
17,629 Views
20 Pages

23 April 2020

With climate change and urban development, water systems are changing faster than ever. Currently, the ecological status of water systems is still judged based on single point measurements, without taking into account the spatial and temporal variabi...

(This article belongs to the Section Water Quality and Contamination)
  • Article
  • Open Access
1 Citations
945 Views
19 Pages

22 January 2026

The widespread occurrence of fluoride pollution in water bodies and its toxic effects on aquatic organisms have raised significant environmental concerns; however, studies on water quality criteria for fluoride remain relatively limited. This study a...

(This article belongs to the Special Issue Occurrence and Environmental Risks of Organic Pollutants in Aquatic Environment—2nd Edition)
  • Article
  • Open Access
8 Citations
5,061 Views
33 Pages

Assessment of Water Quality and Ecological Integrity in an Ecuadorian Andean Watershed

  • Freddy Armijos-Arcos,
  • Cristian Salazar,
  • Andrés A. Beltrán-Dávalos,
  • Anna I. Kurbatova and
  • Elena V. Savenkova

18 April 2025

This study assessed the water quality and ecological integrity of the Columbe River micro-watershed in the Ecuadorian Andes through a multidimensional approach incorporating biotic, physicochemical, and structural indices. Indices such as the Andean...

  • Article
  • Open Access
975 Views
21 Pages

Analysis of Spatio-Temporal Characteristics of Water Quality for Ecological Water Replenishment in the Gorge Section of Yongding River

  • Guannan Cui,
  • Yihao Meng,
  • Xiaofei Li,
  • Zhiyao Wang,
  • Qi Yao,
  • Wenchao Li,
  • Liming Dong and
  • Linlin Xia

5 December 2025

As one of the key water bodies in the Beijing region, the water quality of the Yongding River directly impacts the ecological security and residents’ lives in China’s capital. The national government places high importance on the ecologic...

(This article belongs to the Special Issue Water Quality Studies: Assessing the Presence of Nutrients and Pollutants)
  • Article
  • Open Access
5 Citations
2,670 Views
18 Pages

26 July 2023

Urbanization has led to enormous pressure on the urban ecological environment, especially in coastal cities. It is important to evaluate the ecological quality of coastal cities. We compared the remote sensing-based ecological index (RSEI) and the wa...

(This article belongs to the Section Environmental Sustainability and Applications)
  • Review
  • Open Access
7 Citations
4,932 Views
27 Pages

The subject of ecology is the understanding of the relations among living organisms and their interactions with the abiotic environment. The need to quantify ecological phenomena requires the development of mathematical tools, including ecological in...

(This article belongs to the Special Issue Decision Support Systems and Tools in Coastal Areas)
  • Article
  • Open Access
296 Views
20 Pages

17 September 2026

The Yangtze, Asia’s longest river, supports ecosystems and people, but rising stress from development is degrading water quality and altering algae. Using 2016–2021 water quality data from 83 sites and 2021 phytoplankton (55 sites) and pe...

(This article belongs to the Special Issue Freshwater Biodiversity Conservation and Ecological Restoration in Human-Dominated Landscapes)
  • Article
  • Open Access
36 Citations
8,433 Views
20 Pages

25 May 2023

Aquatic ecosystems are under pressure due to human activity. In the summer of 2022, the Odra River (Central Europe) suffered a massive death of fish and mollusks. This paper aims to show selected water quality parameters before and during the ecologi...

(This article belongs to the Section Resources and Sustainable Utilization)
  • Communication
  • Open Access
7 Citations
3,554 Views
9 Pages

WFD Ecological Quality Indicators Are Poorly Correlated with Water Levels in River Catchments in Tuscany (Italy)

  • Chiara Arrighi,
  • Isabella Bonamini,
  • Cristina Simoncini,
  • Stefano Bartalesi and
  • Fabio Castelli

17 December 2021

The Water Framework Directive (WFD) requires European countries to achieve a good ecological status of surface water bodies and demands that River District Authorities define ecological flows consistently. Nevertheless, the relationship between ecolo...

(This article belongs to the Special Issue Aquatic Ecosystems and Water Resources)
  • Feature Paper
  • Article
  • Open Access
1,739 Views
23 Pages

18 September 2025

Wastewater overflows (WOs) are a growing concern for water quality and ecological health in urban estuaries. This study provides a robust water quality and ecological assessment of WOs from four pump stations discharging into the Waimea Estuary, Aote...

  • Feature Paper
  • Article
  • Open Access
10 Citations
3,769 Views
20 Pages

18 August 2022

Ecological compensation is an important economic means of water pollution control and quality management, especially for trans-regional rivers with unbalanced economic and social development between upstream and downstream. The Tangbai River Basin (T...

(This article belongs to the Special Issue Advanced Hydrologic Modeling in Watershed Scales)
  • Article
  • Open Access
11 Citations
4,307 Views
16 Pages

Ecological Assessment of Phytoplankton Diversity and Water Quality to Ensure the Sustainability of the Ecosystem in Lake Maybalyk, Astana, Kazakhstan

  • Zhanar Tekebayeva,
  • Aidana Bazarkhankyzy,
  • Aliya Temirbekova,
  • Zhanar Rakhymzhan,
  • Kamshat Kulzhanova,
  • Raikhan Beisenova,
  • Andrey Kulagin,
  • Nurgul Askarova,
  • Dinara Yevneyeva and
  • Akhan Abzhalelov
  • + 1 author

5 November 2024

Microalgae in planktonic communities are the main producers of biomass in lake ecosystems; however, their stability is influenced by many environmental factors. This study aims to assess the ecological state of Lake Maybalyk, located in Astana (Kazak...

  • Feature Paper
  • Article
  • Open Access
9 Citations
4,736 Views
12 Pages

Ecological Connectivity in Two Ancient Lakes: Impact Upon Planktonic Cyanobacteria and Water Quality

  • Matina Katsiapi,
  • Savvas Genitsaris,
  • Natassa Stefanidou,
  • Anastasia Tsavdaridou,
  • Irakleia Giannopoulou,
  • Georgia Stamou,
  • Evangelia Michaloudi,
  • Antonios D. Mazaris and
  • Maria Moustaka-Gouni

19 December 2019

The ancient lakes Mikri Prespa and Megali Prespa are located in SE Europe at the transnational triangle and are globally recognized for their ecological significance. They host hundreds of flora and fauna species, and numerous types of habitat of con...

(This article belongs to the Special Issue Advancing Knowledge on Cyanobacterial Blooms in Freshwaters)
  • Article
  • Open Access
14 Citations
5,927 Views
13 Pages

24 August 2017

The Songhua River is the largest river in northeastern China; the river’s water quality is one of the most important factors that influence regional ecological health and food safety in northeastern China and even the downstream of the Heilong River...

(This article belongs to the Special Issue Sustainable River Basin Management)
  • Article
  • Open Access
13 Citations
3,425 Views
11 Pages

Derivation of Water Quality Criteria for Carbamazepine and Ecological Risk Assessment in the Nansi Lake Basin

  • Jiangyue Wu,
  • Dianlong Shi,
  • Sai Wang,
  • Xi Yang,
  • Hui Zhang,
  • Ting Zhang,
  • Lei Zheng and
  • Yizhang Zhang

Carbamazepine, as one of several pharmaceutical and personal care products, has gained much attention in recent years because of its continuous discharge in natural waters and toxicity to aquatic ecosystems. However, it is difficult to evaluate and m...

(This article belongs to the Special Issue Green Functional Materials R&D and Ecological Risk Assessment in Environmental and Ecological Restoration: Opportunities and Challenges)
  • Article
  • Open Access
4 Citations
2,565 Views
14 Pages

Macrophytes as Key Element to Determine Ecological Quality Changes in Transitional Water Systems: The Venice Lagoon as Study Case

  • Adriano Sfriso,
  • Alessandro Buosi,
  • Yari Tomio,
  • Giulia Silan,
  • Marion Adelheid Wolf,
  • Katia Sciuto and
  • Andrea Augusto Sfriso

According to European Union guidelines, the assessment of the ecological status of Transitional Water Systems (TWSs) should be based on the monitoring of biological communities rather than physico-chemical parameters and pollutants. Macrophytes, incl...

(This article belongs to the Special Issue Monitoring and Assessment of Environmental Quality in Coastal Ecosystems Volume III)
  • Article
  • Open Access
9 Citations
4,392 Views
22 Pages

29 April 2022

The Grootspruit valley bottom wetland in South Africa, due to the impact of acid mine drainage (AMD) from an abandoned coal mine, was severely degraded before ecologically engineered interventions, as a passive treatment process, in 2014. The surface...

(This article belongs to the Special Issue Wastewater and Waste Treatment: Overview, Challenges and Current Trends)
  • Article
  • Open Access
12 Citations
4,241 Views
18 Pages

26 May 2021

Watershed ecological compensation, as an important means to protect the environment and promote the sustainable and coordinated development of upstream and downstream has wide concern in China. At present, the compensation accounting method only asse...

(This article belongs to the Section Water Resources Management, Policy and Governance)
  • Article
  • Open Access
10 Citations
3,997 Views
19 Pages

3 May 2022

Watershed ecological compensation is an important economic tool for solving the protection–development conflict. However, establishing a sound ecological compensation plan for rational water resource use at the watershed scale remains challengi...

(This article belongs to the Section Water Quality and Contamination)
  • Article
  • Open Access
7 Citations
2,420 Views
18 Pages

10 September 2024

Water ecological problems involve flood, drought, water pollution, destruction of water habitat and the tense relationship between humans and water. Water ecological problems are the main problems in the development of countries all over the world. I...

  • Article
  • Open Access
10 Citations
3,931 Views
24 Pages

Integrating In Situ and Ocean Color Data to Evaluate Ecological Quality under the Water Framework Directive

  • Ana C. Brito,
  • Paloma Garrido-Amador,
  • Carla Gameiro,
  • Marta Nogueira,
  • Maria Teresa Moita and
  • Maria Teresa Cabrita

8 December 2020

The Water Framework Directive (WFD) aims at evaluating the ecological status of European coastal water bodies (CWBs). This is a rather complex task and first requires the use of long-term databases to assess the effect of anthropogenic pressure on bi...

(This article belongs to the Special Issue The WFD 20 Years After—Ecological Status Assessment and Restoration of Aquatic Ecosystems)
  • Article
  • Open Access
464 Views
25 Pages

22 July 2026

Urbanization imposes multiple environmental stressors on urban rivers. Zooplankton are sensitive to environmental disturbances, making them useful tools for assessing ecological health and revealing river degradation processes. We surveyed the urban...

(This article belongs to the Special Issue Environmental Factors and Freshwater Organism Responses)
  • Article
  • Open Access
6 Citations
1,762 Views
26 Pages

28 August 2025

Agricultural land consolidation (ALC) is a critical instrument for protecting the environment and expanding cropland. However, implementing different consolidation methods, scales, and technologies may have adverse effects on ecological and environme...

(This article belongs to the Section Ecological Remote Sensing)

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