Evaluation of the effectiveness and effects of long-term ecological restoration on watershed water quality dynamics in two eutrophic river catchments in Lake Chaohu Basin, China

Duan, Tingting; Feng, Jiashen; Chang, Xuan; Li, Yingxia

doi:10.1016/j.ecolind.2022.109592

Cited by 10 publications

(4 citation statements)

References 71 publications

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“…One of the limitations of our study is that we did not include other N-related criteria to derive the N boundary as for example Schulte-Uebbing et al However, we improve their estimates by considering the different spatial characteristics of N retentions and upstream-to-downstream impacts. Additionally, we would like to highlight that restoring surface water quality is more complex and requires more actions (e.g., stepwise long-term ecological restoration that encompasses for instance environmental remediation, ecological rehabilitation, and natural recovery , ) than only reduction of regional N use alone.…”

Section: Resultsmentioning

confidence: 99%

Keeping Nitrogen Use in China within the Planetary Boundary Using a Spatially Explicit Approach

Chen,

Strokal,

van Vliet

et al. 2024

Environ. Sci. Technol.

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Nitrogen (N) supports food production, but its excess causes water pollution. We lack an understanding of the boundary of N for water quality while considering complex relationships between N inputs and in-stream N concentrations. Our knowledge is limited to regional reduction targets to secure food production. Here, we aim to derive a spatially explicit boundary of N inputs to rivers for surface water quality using a bottom-up approach and to explore ways to meet the derived N boundary while considering the associated impacts on both surface water quality and food production in China. We modified a multiscale nutrient modeling system simulating around 6.5 Tg of N inputs to rivers that are allowed for whole of China in 2012. Maximum allowed N inputs to rivers are higher for intensive food production regions and lower for highly urbanized regions. When fertilizer and manure use is reduced, 45–76% of the streams could meet the N water quality threshold under different scenarios. A comparison of “water quality first” and “food production first” scenarios indicates that trade-offs between water quality and food production exist in 2–8% of the streams, which may put 7–28% of crop production at stake. Our insights could support region-specific policies for improving water quality.

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Section: Resultsmentioning

confidence: 99%

Keeping Nitrogen Use in China within the Planetary Boundary Using a Spatially Explicit Approach

Chen,

Strokal,

van Vliet

et al. 2024

Environ. Sci. Technol.

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“…The fourth category is mainly related to "Climate change", "Water qual ity", "Land use", "Ecosystem services", "Model", and "Framework", with an emphasis on frameworks and the evaluation of the effects of ecological restoration models. Ecolog ical restoration effect evaluation mainly involves water quality, climate change, land use change, and ecosystem services [74][75][76].…”

Section: Cluster Analysis and Multiple Correspondence Analysis Of Hig...mentioning

confidence: 99%

Progress of Ecological Restoration Research Based on Bibliometric Analysis

Wei

Song

Shao

et al. 2022

IJERPH

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With the deterioration of the global/regional ecological environment, ecological restoration plays an important role in sustainable development. However, due to the differences in research methods, objectives, and perspectives, the research results are highly diverse. This makes it necessary to sort the publications related to ecological restoration, clarify the research status, grasp the research hotspots, and predict the future research trends. Here, 23,755 articles from the core database of Web of Science were retrieved, and bibliometric analysis was carried out to understand the global ecological restoration research progress from 1990 to 2022 from a macro perspective, with the aim to determine the future development direction. The results are as follows. (1) From 1990 to 2022, the number of publications in the field of ecological restoration constantly increased, and the fluctuation of the average annual citations increased. The most important articles were published in high-ranking journals. (2) Ecological restoration covers a wide range of research areas, including biodiversity, ecosystem services, climate change, land use, and ecological restoration theories and technologies. The four main hotspots in this field are heavy metal removal, soil microbial biomass carbon and nitrogen concentrations, grassland ecological restoration, and evaluation framework and modeling of ecological restoration’s effects. Currently, studies focus on river basin remediation, heavy metal removal, and forest restoration. (3) Future ecological restoration research should strengthen the multi-object aspect and multi-scale ecological restoration research, improve the ecological restoration effect evaluation system, and incorporate social and economic issues. This study identified current research hotspots and predicted potential future research directions, providing a scientific reference for future studies in the field of ecological restoration.

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“…There are various research values at various scales. The watershed scale is suitable for comprehending the relationship between water park categories and locations [43]. The national dimension is more suitable for revealing the spatial disparities between water parks, traffic networks, populations, and cities.…”

Section: Introductionmentioning

confidence: 99%

Spatial Distribution and Accessibility Evaluation of National Water Parks in China

Zhang

et al. 2023

Sustainability

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A water park is a nature-based site along a river or water management project that plays a vital role in protecting the local ecological system and providing water recreation, making it an essential component of China’s ecological and ecotourism security strategy. This study sought to portray the distribution of China’s 878 National Water Parks (NWPs) and to visualize the pattern of accessibility for NWP resources by the gravity-2SFCA method. The investigation produced the following findings: (1) The national-scale pattern of ecotourism and water recreation can be revealed by the distribution of NWPs, which were concentrated on the eastern side of the “Hu Line” but were dispersed on the western side. (2) NWPs can function as detectors of various endowment and management modes of basin-scaled water resources through the relationship between different categories of NWPs and their locations, which can provide guidance for regional planners. (3) The accessibility of NWPs is an effective indicator for revealing spatial disparity between the supply of NWP resources and the population distribution. Then, the general NWP development strategy can be made based on a hot-spot visualization analysis of accessibility patterns.

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Evaluation of the effectiveness and effects of long-term ecological restoration on watershed water quality dynamics in two eutrophic river catchments in Lake Chaohu Basin, China

Cited by 10 publications

References 71 publications

Keeping Nitrogen Use in China within the Planetary Boundary Using a Spatially Explicit Approach

Keeping Nitrogen Use in China within the Planetary Boundary Using a Spatially Explicit Approach

Progress of Ecological Restoration Research Based on Bibliometric Analysis

Spatial Distribution and Accessibility Evaluation of National Water Parks in China

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