New Concepts and Objectives of the River Ecological Rehabilitation by LI Yong-xiang, YANG Hai-jun

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Contents and Methods of River Ecological Restoration Research by LI Yong-xiang, YANG Hai-jun

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Probe into Nanning Ximingjiang River Ecological Restoration Design by LONG De-zhong, LIU Ping

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Research Status and Prospects of River Ecological Flow Monitoring by WU Yihan, WANG Yu

“…River ecological flow is a key index for ensuring the ecological functions of rivers,and it is also an important basis for river ecological health assessment and ecological restoration.Ecological flow monitoring is not only a prerequisite for ecohydrological response and optimal allocation of water resources but also an important means of ensuring the process of ecological flow.Due to differences in river characteristics,the ecological flow monitoring method used directly affects the monitoring result.This paper compares domestic and foreign methods of river ecological flow monitoring from the perspectives of monitoring effect,monitoring scope,monitoring accuracy,and real-time performance and summarizes the drawbacks and prospects of current research on river ecological flow monitoring.Feasibility suggestions are also presented to provide scientific guidance for future study and application of river ecological flow monitoring systems.…”
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Reasoning Design Scheme of Taiyang(Sun) River Ecological Improvement Project by LI Jing

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Water Environment Pollution and Its Countermeasuresin Hanjiang River Ecologic Economic Belt by ZHANG Zhongwang, CHEN Yao, XU Cungang

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Hainan Taiyang(Sun) River Ecological Regulation Work Immerging Problem Analysis Method by ZHU Yun-jiang, ZHANG Hai-fa

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Study on the Water Ecology Protection and Water Environment Remediation Technology, focusing on the heavy metal removal by Zhao Zihan

“…Therefore, water environment remediation is not only of great significance for river ecology, but also of theoretical and practical importance for sustainable human development. …”
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Research on Ecological Water Requirement of Three Largest Rivers in Hainan Province Based on Hydrologic Method by CHEN Xiaolu, LIN Jianhai, LIANG Hualing

“…In order to further promote the construction of ecological civilization and protect the river ecology in Hainan, it is of great theoretical significance to carry out the research on the ecological water requirement of the three largest rivers in Hainan province. …”
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Temporal and Spatial Variation Characteristics of Base Flow and Its Influencing Factors in Middle and Lower Reaches of Yangtze River by JIANG Lei, HE Ya'nan, GU Xihui

“…Base flow is an important part of runoff, so it is important to choose a reasonable base flow segmentation method to estimate base flow, understand the changing characteristics of base flow and base flow index, and identify the driving factors of base flow and base flow index change for the protection and management of river ecology. Based on the daily runoff data and meteorological data of 64 hydrological stations in the middle and lower reaches of the Yangtze River, the base flow segmentation results of three digital filtering methods (Lyne-Hollick method, Chapman-Maxwell method, and Eckhardt Method) and smoothing minimum method were compared, and the driving factors of base flow and base flow index changes were analyzed from the aspects of climate and underlying surface factors. …”
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Human Activities Increase the Nitrogen in Surface Water on the Eastern Loess Plateau by Yuxian Hu, Ke Zhang, Yuan Li, Yanan Sun, Hongyan Li, Gaiqiang Yang

“…This study provided new evidence for the relationship between anthropogenic activities and river ecology. The findings may be helpful for policymakers to make strategic decisions of water resource management and land use planning in arid areas.…”
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Rivers help us to quantify the socio-ecological functioning of their basin at the Anthropocene: the Seine example (1850–2020) by Meybeck, Michel, Bouleau, Gabrielle, Carré, Catherine, Garnier, Josette, Lestel, Laurence

“…Medium-sized river basins make it possible to perform such detailed analyses, which combines historical river fluxes, material flows, river ecology, environmental history and political ecology.Such an interdisciplinary approach at the scale of the Seine basin, undertaken by the PIREN-Seine research program, started in 1989, has shown how scientific and technological knowledge, environmental awareness, environmental regulations and policies, and political decisions have played a role on water quality during that period.…”
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Present Status of Ganges River Dolphins Platanista gangetica gangetica (Roxburgh, 1801) in the Turag River, Dhaka, Bangladesh by Mohammad Abdul Baki, Naser Ahmed Bhouiyan, Md. Saiful Islam, Shayer Mahmood Ibney Alam, Shibananda Shil, Md. Muzammel Hossain

“…The best-high-low estimates of 9-11-7 individuals were recorded in August 2013 in river ecology. Seasonal changes in spatial distribution were observed. …”
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Short-term growth, movement and response of European eel Anguilla anguilla to re-meandering of a small English chalk stream by Champkin James D., Bašić Tea, Haubrock Phillip J., Balzani Paride, Sayer Carl D., George Laura K., Godard Michael J., Vilizzi Lorenzo, Copp Gordon H.

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Large-scale spatio-temporal variation in vital rates and population dynamics of an alpine bird by Nater, Chloé R., Frassinelli, Francesco, Martin, James A., Nilsen, Erlend B.

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High trophic similarity between non-native common carp and gibel carp in Turkish freshwaters: Implications for management by Sadi Aksu, Özgür Emiroğlu, Paride Balzani, J. Robert Britton, Esengül Köse, Irmak Kurtul, Sercan Başkurt, Oğuzcan Mol, Emre Çınar, Phillip J. Haubrock, Pinar Oztopcu-Vatan, Ali Serhan Tarkan

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Study on Optimal Utilization of Water Resources in Shiqiao Hydropower Station by ZHAO Yufeng

“…For the scientific,reasonable and efficient use of water resources,this paper establishes a multi-objective optimization and development model of Shiqiao Hydropower Station with the power generation and firm output as the goal,and the river ecological flow as the main constraint,builds a solution model by the mathematical simulation technology,and obtains the optimal operation and scheduling scheme of the hydropower station under inflow conditions in typical years for realizing the unity of economic goals and ecological goals of the hydropower station.With consideration of multiple factors such as ecology,topography and water resources,the No.15 scheme with annual power generation of 20.232 million kW·h and firm output of 1 336 kW is selected as the optimal operation and scheduling scheme of Shiqiao Hydropower Station under inflow conditions in typical years,in which the water resources of Shiqiao Hydropower Station can be fully utilized.…”
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Multilayer entropy-weighted TOPSIS method and its decision-making in ecological operation during the subsidence period of the Three Gorges Reservoir by Ai Xueshan, Yu Yangxin, Liang Zhiming, Shi Xuanyu, Cao Rui, Zhang Xiaoke

“…A multi-objective optimal reservoir scheduling model was constructed to coordinate the spawning flow demand of " Four Major Chinese Carps"; The model takes the maximum power generation and the maximum membership degree of downstream river ecological water demand as the objective functions, and uses the dynamic programming multi-objective solution algorithm based on penalty factors to solve the problem, and obtains the non-inferior solution set in each scenario. …”
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Macrophyte species, composition, abundance and diversity in relation to some environmental factors in Upper Awash River basin, Ethiopia by Temesgen Tigab

“…This factor is crucial for developing strategies to enhance the river's ecological health and resource utilization.…”
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A Global hydrological index describes ecological conditions in rivers: A new approach to environmental flow calculation reflecting macroinvertebrate requirements by Andrzej Wałęga, Renata Kędzior, Tomasz Skalski, Dariusz Młyński

“…The Global Index (GI), reflecting crucial elements of hydrological influence on habitat quality and river ecological status, and the multiannual mean flow were used to determine e-flow. …”
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