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Comparison of Flooding Tolerance for the Selection of Plants in Vegetation-Based Low Impact Development Facilities

Eun-Yeob Lee 1 KyoungHak Hyun 1 허진성 2 Park Mi ok 3 Koo Bon Hak 4

1한국토지주택공사 토지주택연구원
2LH 토지주택연구원
3나사렛대학교
4상명대학교

Accredited

ABSTRACT

In this study, 10 species of plants with high adaptability to aquatic environments werecompared for selecting plant species suitable for vegetation-based low impact development (LID)facilities. The flooding tolerances of the plants were tested by analyzing their growth status under halfimmersionand full-immersion conditions, with varying durations of immersion. In decreasing orderof flooding tolerance, the comparative analysis of plant height and leaf width is as follows: Hemerocallisfulva, Juncus effusus var. decipiens, Iris pseudoacorus, Phragmites communis TRIN, Typha orientalis C.Presl,Aster koraiensis Nakai, Iris sanguinea, Equisetum hyemale, Acorus calamus. Specifically, Hemerocallis fulva,Juncus effusus var. decipiens. Iris pseudoacorus showed excellent growth status under both immersionconditions. Iris sanguinea and Equisetum hyemale. withered to death by around day 27 of the experiment, but their flooding tolerance was confirmed to be relatively high. Iris pseudoacoru showed floodingtolerance under the half-immersion condition unlike under the full-immersion condition, whencompared on day 21 of the experiment. Aster koraiensis Nakai also thrived better under the halfimmersioncondition, proving to be a highly immersion-resistant species. On the basis of the resultsof this experiment, Hemerocallis fulva, Juncus effusus var. decipiens and Iris pseudoacorus, Typha orientalisC.Presl were selected as species suitable for vegetation-based LID facilities.

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* References for papers published after 2022 are currently being built.