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49 Results Found

  • Article
  • Open Access
22 Citations
5,469 Views
17 Pages

Changes in Water Environment in Erhai Lake and Its Influencing Factors

  • Liang Zheng,
  • Zeyu An,
  • Xiaoling Chen and
  • Hai Liu

14 May 2021

In recent years, the rapid development of the population, agriculture, and tourism around Erhai Lake has caused increasing environmental problems, which have seriously affected the ecological status of the lake. This study analyzed changes in water v...

  • Feature Paper
  • Article
  • Open Access
18 Citations
3,998 Views
13 Pages

Spatiotemporal Changes in Water Quality Parameters and the Eutrophication in Lake Erhai of Southwest China

  • Kun Chen,
  • Lizeng Duan,
  • Qi Liu,
  • Yang Zhang,
  • Xiaonan Zhang,
  • Fengwen Liu and
  • Hucai Zhang

26 October 2022

To understand the lake status and reasons of eutrophication at Lake Erhai in recent years, water quality, including water temperature (T), pH, dissolved oxygen (DO), total nitrogen (TN), total phosphorus (TP) and chlorophyll-a (Chl-a) from 2016 to 20...

  • Article
  • Open Access
1 Citations
1,514 Views
25 Pages

Succession and Driving Factors of Macrophytes During the Past 60 Years in Lake Erhai, China

  • Wen Hu,
  • Jianjian Jiang,
  • Jie Li,
  • Haitao Feng,
  • Di Song and
  • Jufen Nie

18 December 2024

Macrophytes play a crucial role in maintaining the health of lake ecosystems. A thorough understanding of their long-term evolutionary processes and patterns is of great theoretical and practical significance for ecosystem restoration and mitigation...

  • Article
  • Open Access
9 Citations
3,151 Views
18 Pages

Water Quality of Lake Erhai in Southwest China and Its Projected Status in the near Future

  • Tianbao Xu,
  • Wei Ma,
  • Jun Chen,
  • Lizeng Duan,
  • Huayu Li and
  • Hucai Zhang

27 March 2024

The water quality of Lake Erhai has deteriorated in recent decades due to socioeconomic development in the lake basin. After the massive implementation of water environmental protection measures in Lake Erhai in 2016, the trend of water quality deter...

  • Article
  • Open Access
7 Citations
2,999 Views
13 Pages

Quantitative Assessment of Water Quality Improvement by Reducing External Loadings at Lake Erhai, Southwest China

  • Falu Gong,
  • Liancong Luo,
  • Huiyun Li,
  • Lan Chen,
  • Rufeng Zhang,
  • Guizhu Wu,
  • Jian Zhang,
  • Weiqiang Shi,
  • Fan Zhang and
  • Ting Sun

To quantitatively evaluate the effects on water quality improvement caused by reducing external loadings entering Lake Erhai through inflow rivers, a one-dimensional hydrodynamic and ecological model (DYRESM–CAEDYM) was set up to simulate the w...

  • Article
  • Open Access
1 Citations
2,533 Views
18 Pages

5 April 2024

Garlic (Allium sativum) is an important economic crop in China. In terms of using remote sensing technology to identify it, there is still room for improvement, and the high-precision classification of garlic has become an important issue. However, t...

  • Essay
  • Open Access
6 Citations
1,905 Views
13 Pages

Excessive nutrient loss from farmland located on the west bank of Erhai Lake has resulted in significant non-point source pollution within the Lake Erhai basin. However, mitigating this issue proves challenging due to the intricate nature of soil pro...

  • Article
  • Open Access
5 Citations
2,910 Views
25 Pages

Effects of Paddy Rain-Flood Storage on Rice Growth Physiological Indices and Nitrogen Leaching under Organic Planting in Erhai Lake Basin

  • Qingsheng Liu,
  • Qiling Lu,
  • Liudong Zhang,
  • Shufang Wang,
  • Aiqing Zou,
  • Yong Su,
  • Jun Sha,
  • Ying Wang and
  • Lihong Chen

26 August 2024

In order to address the increasingly prominent issues of water resource protection and agricultural non-point source pollution in the Erhai Lake Basin, this study conducted a two-year field experiment in Gusheng Village, located in the Erhai Lake Bas...

  • Article
  • Open Access
8 Citations
3,730 Views
17 Pages

26 December 2020

Climate change and human activities cause lake water level (WL) fluctuations to exceed natural thresholds, with implications for the available water resources. Studies that explore WL change trends and the main driving forces that affect water level...

  • Article
  • Open Access
12 Citations
4,603 Views
23 Pages

5 November 2018

Willingness to pay (WTP) is a foundation of payment for environmental services (PES) and varies according to different stakeholders. Because of its high-quality environment, numerous inns have appeared around Erhai Lake, which has become the inn sect...

  • Article
  • Open Access
38 Citations
5,457 Views
19 Pages

Impact of Climate Variability on Blue and Green Water Flows in the Erhai Lake Basin of Southwest China

  • Zhe Yuan,
  • Jijun Xu,
  • Xianyong Meng,
  • Yongqiang Wang,
  • Bo Yan and
  • Xiaofeng Hong

27 February 2019

The Erhai Lake Basin is a crucial water resource of the Dali prefecture. This research used the soil and water assessment tool (SWAT) and the China Meteorological Assimilation Driving Datasets for the SWAT model (CMADS) to estimate blue and green wat...

  • Article
  • Open Access
3 Citations
2,565 Views
19 Pages

A Comprehensive Study of the Suitability of Urban Underground Spaces for Connection Development: A Case Study of the Erhai Lake Basin, China

  • Yangbin Zhang,
  • Yuhan Chen,
  • Fengshan Jiang,
  • Zhanting Deng,
  • Zhiqiang Xie,
  • Yuning Zhang and
  • Ping Wen

30 April 2023

Urban underground space (UUS) involves multiple stakeholders whose concerns span the entire life cycle of underground space. The government pays more attention to the social benefits of UUS to the region, developers pay more attention to the economic...

  • Article
  • Open Access
692 Views
16 Pages

Phosphorus Regulated Coordination of Carbon, Nitrogen, Sulfur and Phosphorus Cycling Genes in Sediments of a Plateau Mesotrophic Lake Erhai in Yunnan, China

  • Zhen Xie,
  • Shunzi Xiong,
  • Huaji Liu,
  • Jimeng Feng,
  • Xiaoyi Chen,
  • Kaiwen Yang,
  • Lei Zhang,
  • Xinze Wang and
  • Xiaojun Zhang

28 November 2025

Eutrophication threatens vulnerable plateau lakes, yet the gene-level microbial processes behind spatial heterogeneity of sediment carbon (C), nitrogen (N), phosphorus (P) and sulfur (S) cycling and their environmental driver remain unclear. This stu...

  • Article
  • Open Access
662 Views
20 Pages

Coupling Effects of Organic Fertilizer Substituting Chemical Fertilizer on Potato Yield, Quality and Soil Nitrogen Content in the Erhai Lake Basin of China

  • Xuemei Sun,
  • Wenmei Zhang,
  • Ting Wang,
  • Wanting Li,
  • Yongmei Li,
  • Benshuai Yan,
  • Mengge Zhang,
  • Jixia Zhao and
  • Maopan Fan

24 October 2025

Rational fertilization boosts crop yields and enhances nutritional value, but over-fertilization is counterproductive. Furthermore, water eutrophication caused by excessive use of nitrogen fertilizers has become a major agricultural non-point source...

  • Article
  • Open Access
10 Citations
5,334 Views
17 Pages

Impact of Nutrient and Stoichiometry Gradients on Microbial Assemblages in Erhai Lake and Its Input Streams

  • Yang Liu,
  • Xiaodong Qu,
  • James J. Elser,
  • Wenqi Peng,
  • Min Zhang,
  • Ze Ren,
  • Haiping Zhang,
  • Yuhang Zhang and
  • Hua Yang

17 August 2019

Networks of lakes and streams are linked by downslope flows of material and energy within catchments. Understanding how bacterial assemblages are associated with nutrients and stoichiometric gradients in lakes and streams is essential for understandi...

  • Article
  • Open Access
11 Citations
4,513 Views
13 Pages

The Estimation of Chemical Oxygen Demand of Erhai Lake Basin and Its Links with DOM Fluorescent Components Using Machine Learning

  • Yuquan Zhao,
  • Jian Shen,
  • Jimeng Feng,
  • Zhitong Sun,
  • Tianyang Sun,
  • Decai Liu,
  • Mansong Xi,
  • Rui Li and
  • Xinze Wang

16 December 2021

Water quality estimation tools based on real-time monitoring are essential for the effective management of organic pollution in watersheds. This study aims to monitor changes in the levels of chemical oxygen demand (COD, CODMn) and dissolved organic...

  • Article
  • Open Access
52 Citations
5,799 Views
15 Pages

6 December 2017

Long-term information of phytoplankton bloom is critical for assessing the processes driving blooms in lakes. A three-decade survey of the phytoplankton blooms was completed for Erhai Lake from 1987 to 2016 with Landsat imagery. A modified three-band...

  • Article
  • Open Access
8 Citations
2,365 Views
19 Pages

The littoral zones of lakes are potential hotspots for local algal blooms and biogeochemical cycles; however, the microbial communities within the littoral sediments of eutrophic plateau lakes remain poorly understood. Here, we investigated the taxon...

  • Article
  • Open Access
9 Citations
3,830 Views
12 Pages

3 January 2022

Critical transitions between ecosystem states can be triggered by relatively small external forces or internal perturbations and may show time-lagged or hysteretic recovery. Understanding the precise mechanisms of a transition is important for ecosys...

  • Article
  • Open Access
8 Citations
3,712 Views
14 Pages

29 June 2021

The introduction of non-native fish species is known to have adverse effects on aquatic ecosystems, but their effect on plateau lakes is not well studied. In this study, we examined the effect of the Japanese smelt (Hypomesus nipponensis) invasion on...

  • Article
  • Open Access
8 Citations
2,097 Views
20 Pages

18 October 2023

Ecological sensitivity measures an ecosystem’s reaction and restoration difficulty to exogenous disturbances. Regional ecological and environmental challenges can be identified using ecological sensitivity evaluation. The regional characteristi...

  • Article
  • Open Access
14 Citations
2,827 Views
18 Pages

31 October 2022

Understanding the influence of cropping systems on non-point source pollution (NPSP) is crucial, since NPSP has become the major nutrient source of lake eutrophication. How to identify the characteristics of the N and P balance at different spatial a...

  • Article
  • Open Access
925 Views
16 Pages

11 July 2025

Subtropical plateau lakes, which are distinguished by their elevated altitudes and subtropical climates, display distinct ecological dynamics. Nevertheless, the spatial and seasonal variations in the plankton community structure, as well as their int...

  • Article
  • Open Access
895 Views
25 Pages

This study aimed to improve water use efficiency at side deep fertilization paddy fields and reduce the direct discharge of tailwater from upstream dry-farming into Erhai Lake. Field experiments were conducted at Erhai Lake Basin in 2023 and 2024. In...

  • Article
  • Open Access
7 Citations
4,342 Views
22 Pages

7 March 2022

A comprehensive 3-dimensional hydrodynamic and eutrophication model, the environmental fluid dynamics code model (EFDC) with three functional phytoplankton groups, was applied to simulate the algal dynamics in a mesotrophic P-limited subtropical plat...

  • Article
  • Open Access
4 Citations
3,352 Views
12 Pages

29 September 2022

Microcystis-dominated blooms cause environmental and ecological impacts worldwide. However, it is sometimes challenging to correctly identify Microcystis and its related genera. Radiocystis fernandoi Komárek et Komáková-Legnerov&...

  • Article
  • Open Access
3 Citations
3,317 Views
14 Pages

Harmful cyanobacterial blooms pose a risk to human health worldwide. To enhance understanding on the bloom-forming mechanism, the spatiotemporal changes in cyanobacterial diversity and composition in two eutrophic lakes (Erhai Lake and Lushui Reservo...

  • Article
  • Open Access
473 Views
30 Pages

Regionalized Assessment of Urban Lake Ecosystem Health in China: A Novel Framework Integrating Hybrid Weighting and Adaptive Indicators

  • Xi Weng,
  • Dongdong Gao,
  • Xiaogang Tian,
  • Tianshan Zeng,
  • Hongle Shi,
  • Wanping Zhang,
  • Mingkun Guo,
  • Rong Su and
  • Hanxiao Zeng

18 December 2025

Urban lakes are essential for ecological balance and urban development. This study developed a comprehensive framework to evaluate the ecosystem health of urban lakes in China. Nineteen representative lakes from four lake zones were examined using th...

  • Article
  • Open Access
1 Citations
2,046 Views
14 Pages

Molecular Phylogeny and Evolutionary History of the Genus Cyprinus (Teleostei: Cypriniformes)

  • Yanyan Chen,
  • Heng Xiao,
  • Zhaoping Yue,
  • Xiaoyun Wu,
  • Ruiguang Zan and
  • Shanyuan Chen

10 March 2025

The genus Cyprinus encompasses economically vital freshwater fish species; yet the phylogenetic relationships and evolutionary history of many taxa within this genus remain unresolved. To address this knowledge gap, we reconstructed the molecular phy...

  • Article
  • Open Access
115 Citations
10,478 Views
14 Pages

14 July 2019

Water-quality monitoring of inland lakes is essential for freshwater-resource protection. In situ water-quality measurements and ratings are accurate but high costs limit their usage. Water-quality monitoring using remote sensing has shown to be cost...

  • Article
  • Open Access
6 Citations
2,275 Views
12 Pages

Floating Mat Formation Makes Zizania latifolia More Competitive under the Conditions of Continuous Significant Water Level Rise

  • Ji-Hui Wen,
  • Bing-Yao Li,
  • Hong-Yu Xiao,
  • Cai-Ying Gong,
  • An-Guo Gao,
  • Yan-Hong Wang,
  • De-Liang Li,
  • Hong-Yuan Zeng,
  • You-Zhi Li and
  • Ai-Ping Wu
  • + 1 author

6 March 2023

Water level rise is considered an environmental filter for the growth and reproduction of aquatic plants in lakes. Some emergent macrophytes can form floating mats, enabling them to escape from the negative effects of deep water. However, an understa...

  • Article
  • Open Access
8 Citations
3,338 Views
25 Pages

Sub-Watershed Parameter Transplantation Method for Non-Point Source Pollution Estimation in Complex Underlying Surface Environment

  • Xuekai Chen,
  • Guojian He,
  • Xiaobo Liu,
  • Bogen Li,
  • Wenqi Peng,
  • Fei Dong,
  • Aiping Huang,
  • Weijie Wang and
  • Qiuyue Lian

14 December 2021

The prevention and control of non-point source pollution is an important link in managing basin water quality and is an important factor governing the environmental protection of watershed water in China over the next few decades. The control of non-...

  • Article
  • Open Access
8 Citations
6,228 Views
30 Pages

The Impact of Large-Scale Water Diversion Projects on the Water Supply Network: A Case Study in Southwest China

  • Kaiwen Song,
  • Xiujuan Jiang,
  • Tianye Wang,
  • Dengming Yan,
  • Hongshi Xu and
  • Zening Wu

21 January 2024

The uneven spatial and temporal distribution of water resources has consistently been one of the most significant limiting factors for social development in many regions. Furthermore, with the intensification of climate change, this inequality is pro...

  • Article
  • Open Access
9 Citations
2,052 Views
20 Pages

12 July 2023

As an important ecological ecotone of water and land ecosystems, the lakeside is characterized by a variety ecosystem services and high vulnerability. Forest land is important in resolving the ecological risks of the lakeside area and building its ec...

  • Article
  • Open Access
5 Citations
2,304 Views
15 Pages

7 October 2022

With the increasingly serious eutrophication of inland water, the frequency and scope of harmful cyanobacteria blooms are increasing, which affects the ecological balance and endangers human health. The aim of this study was to propose an alternative...

  • Feature Paper
  • Article
  • Open Access
10 Citations
3,261 Views
16 Pages

Nitrogen Transport/Deposition from Paddy Ecosystem and Potential Pollution Risk Period in Southwest China

  • Shufang Guo,
  • Tiezhu Yan,
  • Limei Zhai,
  • Haw Yen,
  • Jian Liu,
  • Wenchao Li and
  • Hongbin Liu

11 February 2022

Nitrogen (N) losses through runoff from cropland and atmospheric deposition contributed by agricultural NH3 volatilization are important contributors to lake eutrophication and receive wide attention. Studies on the N runoff and atmospheric N deposit...

  • Article
  • Open Access
5 Citations
2,633 Views
16 Pages

Retrieval of Plateau Lake Water Surface Temperature from UAV Thermal Infrared Data

  • Ouyang Sima,
  • Bo-Hui Tang,
  • Zhi-Wei He,
  • Dong Wang and
  • Jun-Li Zhao

12 January 2024

The lake water surface temperature (LWST) is a critical parameter influencing lake ecosystem dynamics and addressing challenges posed by climate change. Traditional point measurement techniques exhibit limitations in providing comprehensive LWST data...

  • Article
  • Open Access
7 Citations
4,021 Views
21 Pages

11 December 2020

Lake evaporation is an important link connecting the water cycle and the surface energy cycle and remains one of the most uncertain terms in the local catchment’s water balance. Quantifying lake evaporation and its variability is crucial to imp...

  • Article
  • Open Access
23 Citations
9,531 Views
13 Pages

31 December 2014

Geosmin is a common, musty-smelling sesquiterpene, principally produced by cyanobacteria. Anabaena ucrainica (Schhorb.) Watanabe, a water bloom-forming cyanobacterium, is the geosmin producer responsible for odor problems in Dianchi and Erhai lakes i...

  • Article
  • Open Access
3 Citations
1,850 Views
18 Pages

20 June 2024

The lake littoral zone is periodically exposed to water due to water level fluctuations, driving the succession and distribution of littoral vegetation covers, which complexly affect nutrient biogeochemical transformation. However, the combined effec...

  • Article
  • Open Access
5 Citations
2,465 Views
12 Pages

23 March 2023

The stopovers provide food and habitat for migratory birds and therefore play an important role in facilitating the birds’ completion of their migration. The Hengduan Mountains, which have a complex topography, are located in a large corridor o...

  • Article
  • Open Access
60 Citations
7,776 Views
29 Pages

Inland Water Atmospheric Correction Based on Turbidity Classification Using OLCI and SLSTR Synergistic Observations

  • Shun Bi,
  • Yunmei Li,
  • Qiao Wang,
  • Heng Lyu,
  • Ge Liu,
  • Zhubin Zheng,
  • Chenggong Du,
  • Meng Mu,
  • Jie Xu and
  • Song Miao

24 June 2018

Atmospheric correction is an essential prerequisite for obtaining accurate inland water color information. An inland water atmospheric correction algorithm, ACbTC (Atmospheric Correction based on Turbidity Classification), was proposed in this study...

  • Article
  • Open Access
14 Citations
3,764 Views
17 Pages

5 November 2022

This study analyzed the effects of low-carbon tourism awareness, attitudes, and behaviors on the development of villages in the catchment area of Erhai Lake in China. We quantitatively analyzed data from 828 valid questionnaires in IBM SPSS 26.0 usin...

  • Article
  • Open Access
32 Citations
6,436 Views
17 Pages

Water Chlorophyll a Estimation Using UAV-Based Multispectral Data and Machine Learning

  • Xiyong Zhao,
  • Yanzhou Li,
  • Yongli Chen,
  • Xi Qiao and
  • Wanqiang Qian

21 December 2022

Chlorophyll a (chl-a) concentration is an important parameter for evaluating the degree of water eutrophication. Monitoring it accurately through remote sensing is thus of great significance for early warnings of water eutrophication, and the inversi...

  • Article
  • Open Access
2 Citations
1,892 Views
17 Pages

27 November 2023

Treating peat soil foundations around Dianchi Lake and Erhai Lake in Yunnan is a complex problem in practical engineering projects. Peat soil solely reinforced with ordinary cement (OPC) does not satisfy demand. This study aims to solidify soil to ac...

  • Feature Paper
  • Article
  • Open Access
2 Citations
2,773 Views
16 Pages

16 March 2023

This study investigated the effects of crop rotations and different ratios of dairy manure fertilizer on nitrogen loss and rice yield in the Erhai Lake basin. Two kinds of herbages were set in the rotation: Ryegrass (Lolium multiflorum cv.‘Tetr...

  • Article
  • Open Access
5 Citations
2,285 Views
18 Pages

5 December 2023

Change detection in high resolution (HR) remote sensing images faces more challenges than in low resolution images because of the variations of land features, which prompts this research on faster and more accurate change detection methods. We propos...

  • Article
  • Open Access
8 Citations
2,877 Views
16 Pages

Influence of Peat Soil Environment on Mechanical Properties of Cement-Soil and Its Mechanism

  • Yunfei Song,
  • Jing Cao,
  • Wenyun Ding,
  • Zhigang Song,
  • Hong Liu,
  • Siyang Huang and
  • Weiming Zhu

3 March 2023

The influence of peat soil environment (PSE) on the mechanical properties of cement-soil in the area around Dianchi Lake and Erhai Lake in Yunnan Province has attracted much attention. This study explores the change law of cement-soil UCS in the PSE,...

  • Article
  • Open Access
1 Citations
3,299 Views
22 Pages

Ecological Network Construction Based on Red, Green and Blue Space: A Case Study of Dali City, China

  • Rong Chen,
  • Shunmin Zhang,
  • Xiaoyuan Huang,
  • Xiang Li and
  • Jiansong Peng

Rapid urbanization leads to fragmentation and reduced connectivity of urban landscapes, endangering regional biodiversity conservation and sustainable development. Constructing a red, green, and blue spatial ecological network is an effective way to...