Research Progress and Prospects of Water Ecological Health Assessment in Yangtze River Basin Based on Bibliometrics and Visual Analysis

ZHANG Qing, QIAN Ling, GUO Fen

Journal of Changjiang River Scientific Research Institute ›› 2026, Vol. 43 ›› Issue (5) : 226-234.

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Journal of Changjiang River Scientific Research Institute ›› 2026, Vol. 43 ›› Issue (5) : 226-234. DOI: 10.11988/ckyyb.20250360
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Research Progress and Prospects of Water Ecological Health Assessment in Yangtze River Basin Based on Bibliometrics and Visual Analysis

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Abstract

[Objective] This study aims to analyze research literature in the field of water ecological health assessment in the Yangtze River Basin using bibliometric software, systematically summarize development trends, frontier hotspots, knowledge clusters, and evolutionary pathways of research in recent years, and review research progress and main contents, thereby providing reference for the future research and protection of water ecological environment in the Yangtze River Basin of China. [Methods] Bibliometrics and knowledge graph methods are adopted. Using VOSviewer and CiteSpace software, this study systematically analyzes the research literature related to water ecological health assessment in the Yangtze River Basin from 2000 to 2024 in the Web of Science Core Collection (WoSCC) database (561 papers) and China National Knowledge Infrastructure (CNKI) database (364 papers), and identifies the clustering of research hotspots and the evolution patterns of burst keywords. [Results] The results show that: (1) the research development exhibits three-stage characteristics. In the early stage, the annual average number of publications was less than 10. In the middle stage, the annual number of publications gradually increased driven by policies. After 2017, the annual number of publications increased rapidly, showing a significant coupling relationship with the implementation of ecological protection policies in the Yangtze River Basin. (2) WoSCC research focuses on the pollution-driven ecological risk assessment mechanisms, while CNKI research emphasizes innovation in assessment methods and the diagnosis of biological integrity thresholds. The former mainly addresses micro-level mechanisms, while the latter focuses on macro-level management. (3) In the new era, research priorities have shifted toward multidimensional comprehensive assessment of water ecosystems, supporting precise health assessment of the river basin and facilitating the fundamental shift of the “14th Five-Year Plan” river and lake management objectives toward “water ecosystem health evaluation”. [Conclusion] Future research should focus on deepening interdisciplinary integration, further strengthening the capacity building of water ecological monitoring, promoting the deep integration of intelligent monitoring technology and multi-interface coupling models, developing comprehensive evaluation indicators of multi-group biological indicators, improving the monitoring indicators and standard system for water ecological health assessment, and providing scientific support for the protection and research of water ecological health in the Yangtze River Basin.

Key words

Yangtze River Basin / water ecology health / bibliometrics / visual analysis / research progress

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ZHANG Qing , QIAN Ling , GUO Fen. Research Progress and Prospects of Water Ecological Health Assessment in Yangtze River Basin Based on Bibliometrics and Visual Analysis[J]. Journal of Changjiang River Scientific Research Institute. 2026, 43(5): 226-234 https://doi.org/10.11988/ckyyb.20250360

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Abstract
根据长江渔业资源动态监测网(监测站有宜宾、巴南、万州、荆州、岳阳、湖口、洞庭湖、鄱阳湖)2003—2008年监测数据,采用Karr提出的、Fausch等修订的12个指标体系水质健康评价原理,依照长江鱼类区域组成特征列出待选指标并结合各指标调查结果进行筛选,初步建立了适合长江中上游干流及附属湖泊的FIBI指标体系。同时,参照Karr做法不单独设定期望值和参照点,而是根据各监测站数据之间的差距分三个层次赋值打分。结果表明:长江上游和中游大多数站位鱼类生物完整性表现为“一般”等级,洞庭湖和鄱阳湖为“差”。统计结果显示长江中上游各监测站FIBI值在近6年的时间内呈下降趋势。
(Liu Ming-dian, Chen Da-qing, Duan Xin-bin, et al. Assessment of Ecosystem Health of Upper and Middle Yangtze River Using Fish-index of Biotic Integrity[J]. Journal of Yangtze River Scientific Research Institute, 2010, 27(2): 1-6, 10. (in Chinese))
A fish-index of biotic integrity (FIBI) system, adapting to the middle and upper reaches of the Yangtze River and its attached lakes, was tentatively developed from the data obtained by the Yangtze Fish Resources Dynamic Monitoring Network, including the monitoring stations at Yibin, Banan, Wanzhou, Jingzhou,Yueyang, Hukou, the Dongting Lake and the Poyang Lake, from 2003 to 2008, by applying the principle of river health assessment, and on the basis of the system involving 12 indices proposed by Karr and modified by Fausch et al. In the process of development, the indices to be selected were listed in accordance with component characteristics of fish from the Yangtze and screened in combination with the results from the surveys of various indices. According to the Karr’s method, the authors don’t set expectation value and reference point respectively, instead of the differences among data from every monitoring station to value and score at three levels. The results showed that the fish biological integrity was “fair” in the upper and middle reaches of the Yangtze River, whereas in Dongting Lake and Poyang Lake the biological integrity both represented “poor”. Statistically, FIBI scores obtained by each monitoring station tended to decrease in six years.
[40]
郜星晨, 姜伟, 李翀. 长江生态完整性评估体系构建策略及初探[J]. 环境影响评价, 2022, 44(3):18-23.
(Gao Xing-chen, Jiang Wei, Li Chong. Constructing Strategies and Preliminary Study on Ecological Integrity Assessment System of the Yangtze River[J]. Environmental Impact Assessment, 2022, 44(3):18-23. (in Chinese))
[41]
李娣, 李旭文, 吕学研, 等. 太湖流域水生生物群落结构与水生态质量状况分析[J]. 生态毒理学报, 2023, 18(1): 271-279.
(Li Di, Li Xu-wen, Xue-yan, et al. Analysis of Aquatic Community Structure and Water Ecological Quality in Tai Lake Basin[J]. Asian Journal of Ecotoxicology, 2023, 18(1): 271-279. (in Chinese))
[42]
Chen J, Gao X, He D, et al. Nitrogen Contamination in the Yangtze River System, China[J]. Journal of Hazardous Materials, 2000, 73(2): 107-113.
The data at 570 monitoring stations during 1990 were studied. The results indicate as follows: (i) the contents of nitrogen in the Yangtze mainstream has a raising trend from the upper reaches to the lower reaches; (ii) total nitrogen content at a lot of stations during the middle 1980s is 5-10 times more than that during the 1960s; (iii) seasonal variances of nitrogen content vary with watersheds; and (iv) the difference of nitrogen contamination level is related to the regional population and economic development.
[43]
Chai C, Yu Z, Shen Z, et al. Nutrient Characteristics in the Yangtze River Estuary and the Adjacent East China Sea before and after Impoundment of the Three Gorges Dam[J]. Science of the Total Environment, 2009, 407(16): 4687-4695.
[44]
Peng Y, Fang W, Krauss M, et al. Screening Hundreds of Emerging Organic Pollutants (EOPs) in Surface Water from the Yangtze River Delta (YRD): Occurrence, Distribution, Ecological Risk[J]. Environmental Pollution, 2018, 241: 484-493.
Increased synthetic chemical production and diversification in developing countries caused serious aquatic pollution worldwide with emerging organic pollutants (EOPs) detected in surface water rising health concerns to human and aquatic ecosystem even at low ng/L concentration with long-term exposure. The Yangtze River Delta (YRD) area serves agriculture and industry for people in eastern China. However, the current knowledge on the occurrence and ecological risk of diverse EOPs which are present in the aquatic environment is limited. This study was to investigate the complexity and diversity of EOPs in surface water from 28 sampling sites, which were selected to represent urban, industrial or agriculture areas in the YRD area. In total 484 chemicals were analyze by a target screening approach using liquid chromatography coupled to high-resolution tandem mass spectrometry (LC-HRMS/MS). 181 out of 484 EOPs were detected at least one site in the YRD area, and 44 analytes, mostly industrial chemicals and pesticides, were ubiquitous at all sampling sites. Most EOPs were industrial chemicals with 1H-benzotriazole and organophosphate flame retardants (PFRs) as the chemicals with highest concentrations. For 21 pesticides, mostly herbicides, maximum concentrations of atrazine and isoproturon were above the annual average environmental quality standards of Europe. Amantadine and DEET were the dominant pharmceuticals and personal care products (PPCPs) in the YRD area. Compared to urban areas (mostly in Qinhuai River), chemical profiles from industrial areas were more complex. Industrial activities likely have a strong impact on the composition of chemical mixtures in surface water from the YRD area. ISO E Super, 4-methylbenzylidene camphor and clotrimazole detected in this study are potentially persistent and bioaccumulative chemicals. Furthermore, results of risk assessment showed that hazard quotients of dimethyldioctadecylammonium, didecyldimethylammonium and octocrylene were higher than one and occur frequently, which indicates possibly adverse effects on fish species in the YRD area.Copyright © 2018 Elsevier Ltd. All rights reserved.
[45]
Pan F, Shu N, Wan Q, et al. Land Use Function Transition and Associated Ecosystem Service Value Effects Based on Production-Living-Ecological Space: a Case Study in the Three Gorges Reservoir Area[J]. Land, 2023, 12(2): 391.
The transition of land use function and its effects on ecosystem services is a key issue in eco-environmental protection and is the basis of territorial space governance and optimization. Previous studies have typically selected land use types to evaluate ecosystem service value (ESV) and have overlooked comprehensive characteristics of ecosystem services and the mutual feedback relationship between human social systems and the ecosystem. Taking the Three Gorges Reservoir Area, Hubei section (TGRA-HS) as a case study, we used a transition matrix, the revised ESV method, and an ecological contribution rate model to explore land use function transition (LUFT) and its effects on the change in ESV based on the production–living–ecological space (PLES) classification system. The results show that: (1) The transition of land use function based on PLES was the mapping of the evolution of the human–nature relationship in the spatial pattern, which reflected the evolution of the spatial pattern caused by human interference with the continuous development of society; (2) The evolution of PLES showed the characteristics of a reduction in production space (P-space), and an expansion in living space (L-space) and ecological space (E-space). The distribution pattern of PLES from 1990 to 2020 was basically the same, and the characteristics of structural transform reflected the characteristics of project construction in different phases; (3) The E-space contributed the most to the total ESV, and it has risen by CNY 13.06 × 108. The transition of land use function caused by human construction projects impacts the spatiotemporal change in the regional ESV; (4) The change in ESV induced by LUFT revealed the whole dynamic process of the positive and negative effects of human construction projects on ecosystem services, and the two effects offset each other to keep the ESV relatively stable. The transition of E-space to P-space had the greatest impact on the reduction in ESV, whose contribution rate was 82.76%. The dynamic changes in land use function and ESV corresponding to the different stages of the Three Gorges Project’s (TGP) construction reveals the important driving effect of human activities on ecosystem services. It reminds us that humans should not forget to protect the eco-environment when obtaining services from the ecosystem.
[46]
林鹏程, 高欣, 刘飞, 等. 基于鱼类物种状况的长江生态环境质量评估[J]. 水生生物学报, 2021, 45(6):1385-1389.
(Lin Peng-cheng, Gao Xin, Liu Fei, et al. Ecological Assessment of the Yangtze River Environment Based on Fish Species Richness[J]. Acta Hydrobiologica Sinica, 2021, 45(6):1385-1389. (in Chinese))
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