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Article

Vegetated Buffer Zone Restoration Planning in Small Urban Watersheds

by 1,2,3, 1,2,3, 1,2,3,*, 4, 5 and 1,2,3
1
Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130012, China
2
Key Laboratory of Water Resources and Water Environment, Jilin University, Changchun 130012, China
3
College of New Energy and Environment, Jilin University, Changchun 130012, China
4
College of Agronomy, Jilin Agricultural Science and Technology University, Jilin 132101, China
5
China Northeast Municipal Engineering Design & Research Institute Co., LTD., Changchun 130021, China
*
Author to whom correspondence should be addressed.
Academic Editor: Rui Manuel Vitor Cortes
Water 2021, 13(21), 3000; https://doi.org/10.3390/w13213000
Received: 13 September 2021 / Revised: 18 October 2021 / Accepted: 21 October 2021 / Published: 25 October 2021
(This article belongs to the Section Ecohydrology)
Vegetated buffer zones (VBZ) are accepted worldwide as a low impact method to avoid non-point source pollution and restore the balance of river ecosystems. Strongly influenced by industrialization and urbanization, urban river ecology is seriously damaged, and restoration is tricky. This study established a complete buffer zone construction framework suitable for the small urban watershed, and its feasibility is verified in a small watershed in Northern China. First, common plants in the study area were selected to test their ability to purify pollutants, and plant combinations were optimized. Secondly, according to the field investigation, the reference buffer zone was determined, and its sewage interception capacity was tested through a runoff simulation experiment. Then, based on GIS and Phillips time and hydraulic models, the normal buffer width of the study area was obtained; 60 m for mainstream and 40 m for tributaries. By optimizing the vegetation scheme and delimiting an efficient buffer zone, the land occupation can be reduced by 17%. Finally, combined with the characteristics of different river sections, an elaborate VBZ restoration scheme is designed from the aspects of vegetation, planning, and zoning. Generally, this research will provide government and land managers scientific and practical ideas and technologies to formulate a land management policy for urban river buffer zones in order to find a balance between aquatic ecological protection and urban land use planning and optimize the allocation of construction funds. View Full-Text
Keywords: river ecosystems; ecological restoration; plant arrangements; buffer delineation; urban planning river ecosystems; ecological restoration; plant arrangements; buffer delineation; urban planning
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MDPI and ACS Style

Duan, Y.; Tang, J.; Li, Z.; Yang, B.; Yan, Y.; Yang, Y. Vegetated Buffer Zone Restoration Planning in Small Urban Watersheds. Water 2021, 13, 3000. https://doi.org/10.3390/w13213000

AMA Style

Duan Y, Tang J, Li Z, Yang B, Yan Y, Yang Y. Vegetated Buffer Zone Restoration Planning in Small Urban Watersheds. Water. 2021; 13(21):3000. https://doi.org/10.3390/w13213000

Chicago/Turabian Style

Duan, Yucong, Jie Tang, Zhaoyang Li, Bo Yang, Yu Yan, and Yao Yang. 2021. "Vegetated Buffer Zone Restoration Planning in Small Urban Watersheds" Water 13, no. 21: 3000. https://doi.org/10.3390/w13213000

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