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Assessment of Salt Resistance and Performances of LID Applicable Plants
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  • Journal title : Journal of Wetlands Research
  • Volume 18, Issue 2,  2016, pp.201-207
  • Publisher : Korean Wetlands Society
  • DOI : 10.17663/JWR.2016.18.2.201
 Title & Authors
Assessment of Salt Resistance and Performances of LID Applicable Plants
Choi, Hyeseon; Hong, Jungsun; Lee, Soyung; Kim, Lee-Hyung;
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In LID facilities treating stormwater runoff, various kinds of plants are applied for water circulation recovery and pollutant reduction. However, rapid changes of soil moisture due to the use of porous media and spread of deicing material during winter season cause slow plant growth that detrimentally leads to many problems including death of plants. Therefore, this study was performed to evaluate the salt resistance of plants, its effects on pollutants removal, and water circulation recovery. Eight different kinds of plants applicable to an LID facility were selected for the experiment, which were Bridal wreath (Spiraea japonica, S.J), Azalea (Rhododendron indicum, R.I), Dawn Redwood (Metasequoia glyptostroboides, M.G), Sweet flag (Acorus calamus A.C), Dwarf fan-shape columbine(Aquilegia flabellata, A.F), Pink (Dianthus chinensis, D.C), Pratia pedunculata (Pratia pedunculata, P.B) and Marigold (Tagetes patula, T.P). Woody plants such as S.P, R.I, and M.G appear to have less salt resistance compared to the other herbaceous plants. Specifically, M.G achieved the highest salt resistance among the other woody plants being followed by S.P, and R.I, respectively. For herbaceous plants, T.L and D.C have the higher salt resistances than that of A.C, P.B, and A.F, respectively. Regardless of the influence of salt to most of the plants, TN and TP were reduced more than 60% and the study suggests the M.G showed high pollutant removal efficiency and provided better water circulation by means of active photosynthesis and respiration due to higher growth.
low impact development(LID);media assessment;heavy metals;stormwater;urbanization;
 Cited by
도로변 LID 시설인 침투도랑에 적합한 식물 선정에 관한 연구,이은엽;현경학;정종석;

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