Effects of different types of plants on runoff reduction and suspended solids removal in rain gardens

This research conducted a series of experiments, determined that 40% is the optimal sand-soil ratio, built three rain gardens, and planted Ilex chinensis Sims and Cynodon dactylon as a key element in the rain gardens. Among them, rain garden A was planted with only Cynodon dactylon for a one-year o...

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Main Authors: Chuan Li, Lingling Chen, Huan Li, Zimei Miao, Rui Yang, Lei Chu, Lingfeng Mao
Format: Article
Language:English
Published: Vilnius Gediminas Technical University 2023-05-01
Series:Journal of Environmental Engineering and Landscape Management
Subjects:
Online Access:https://mla.vgtu.lt/index.php/JEELM/article/view/19016
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author Chuan Li
Lingling Chen
Huan Li
Zimei Miao
Rui Yang
Lei Chu
Lingfeng Mao
author_facet Chuan Li
Lingling Chen
Huan Li
Zimei Miao
Rui Yang
Lei Chu
Lingfeng Mao
author_sort Chuan Li
collection DOAJ
description This research conducted a series of experiments, determined that 40% is the optimal sand-soil ratio, built three rain gardens, and planted Ilex chinensis Sims and Cynodon dactylon as a key element in the rain gardens. Among them, rain garden A was planted with only Cynodon dactylon for a one-year observation period. Rain gardens B and C, designed as three-year rain gardens, were planted with Ilex chinensis Sims or Cynodon dactylon, respectively. The method of simulating rainwater runoff was used to monitor the rain gardens continuously. The results showed that the total runoff reduction rates of rain gardens A, B, and C were 43%, 53%, and 55%, respectively. The average removal rates of pollutant suspended solids in rain gardens A, B, and C were 94%, 88%, and 87%, respectively, and the suspended solids pollution load reduction rate reached 96%, 94%, and 95%, respectively. This would be significant for future work and as a reference for the selection of plants for rain gardens in China.
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spelling doaj.art-f55f942c93cd4764b4ad7751b07090602023-05-10T15:17:56ZengVilnius Gediminas Technical UniversityJournal of Environmental Engineering and Landscape Management1648-68971822-41992023-05-0131210.3846/jeelm.2023.19016Effects of different types of plants on runoff reduction and suspended solids removal in rain gardensChuan Li0Lingling Chen1Huan Li2Zimei Miao3Rui Yang4Lei Chu5Lingfeng Mao6Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Longpan Road 159, 210037 Nanjing, ChinaCo-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Longpan Road 159, 210037 Nanjing, ChinaCo-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Longpan Road 159, 210037 Nanjing, ChinaCo-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Longpan Road 159, 210037 Nanjing, ChinaCo-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Longpan Road 159, 210037 Nanjing, ChinaCo-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Longpan Road 159, 210037 Nanjing, ChinaCo-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Longpan Road 159, 210037 Nanjing, China This research conducted a series of experiments, determined that 40% is the optimal sand-soil ratio, built three rain gardens, and planted Ilex chinensis Sims and Cynodon dactylon as a key element in the rain gardens. Among them, rain garden A was planted with only Cynodon dactylon for a one-year observation period. Rain gardens B and C, designed as three-year rain gardens, were planted with Ilex chinensis Sims or Cynodon dactylon, respectively. The method of simulating rainwater runoff was used to monitor the rain gardens continuously. The results showed that the total runoff reduction rates of rain gardens A, B, and C were 43%, 53%, and 55%, respectively. The average removal rates of pollutant suspended solids in rain gardens A, B, and C were 94%, 88%, and 87%, respectively, and the suspended solids pollution load reduction rate reached 96%, 94%, and 95%, respectively. This would be significant for future work and as a reference for the selection of plants for rain gardens in China. https://mla.vgtu.lt/index.php/JEELM/article/view/19016Ilex chinensis SimsCynodon dactylonrain gardenssuspended solids removalwater cleaning technologiesbiotechnologies in environmental engineering
spellingShingle Chuan Li
Lingling Chen
Huan Li
Zimei Miao
Rui Yang
Lei Chu
Lingfeng Mao
Effects of different types of plants on runoff reduction and suspended solids removal in rain gardens
Journal of Environmental Engineering and Landscape Management
Ilex chinensis Sims
Cynodon dactylon
rain gardens
suspended solids removal
water cleaning technologies
biotechnologies in environmental engineering
title Effects of different types of plants on runoff reduction and suspended solids removal in rain gardens
title_full Effects of different types of plants on runoff reduction and suspended solids removal in rain gardens
title_fullStr Effects of different types of plants on runoff reduction and suspended solids removal in rain gardens
title_full_unstemmed Effects of different types of plants on runoff reduction and suspended solids removal in rain gardens
title_short Effects of different types of plants on runoff reduction and suspended solids removal in rain gardens
title_sort effects of different types of plants on runoff reduction and suspended solids removal in rain gardens
topic Ilex chinensis Sims
Cynodon dactylon
rain gardens
suspended solids removal
water cleaning technologies
biotechnologies in environmental engineering
url https://mla.vgtu.lt/index.php/JEELM/article/view/19016
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