Removal effects on harmful algal bloom species of eco-friendly algicidal substance ‘GreenTD’

Title
Removal effects on harmful algal bloom species of eco-friendly algicidal substance ‘GreenTD’
Author(s)
김진호; 백승호; 조훈; 임영균; 이민지
KIOST Author(s)
Baek, Seung Ho(백승호)Lim, Young kyun(임영균)Lee, Minji(이민지)
Publication Year
2018-10-25
Abstract
Since the 1960s, the frequency of harmful algal bloom events has gradually increased, and it has been causing serious ecological and economic problems in Korea. Particularly, massive blooms of Cochlodinium polykrikoides caused and severelyincreased economic losses of fishery industries due to fish mortality in the coastalarea, and blooms of Microcystis have been causing serious water quality problems in fresh water system. A novel algicidal thiazolidinediones derivate substance, ‘GreenTD’was developed. From the results of screening test using C. polykrikoides culture, the suitable concentration of GreenTD was 1 ppm for field application. In microcosm test (20 liter), chlorophyll a., active chlorophyll a., Fv/Fm and cell density of bloomed Microcystis was rapidly decreased after one day of GreenTD inoculation of 1 ppm. Algicidal efficiency was 93% at 4th day of microcosm.ncreased economic losses of fishery industries due to fish mortality in the coastalarea, and blooms of Microcystis have been causing serious water quality problems in fresh water system. A novel algicidal thiazolidinediones derivate substance, ‘GreenTD’was developed. From the results of screening test using C. polykrikoides culture, the suitable concentration of GreenTD was 1 ppm for field application. In microcosm test (20 liter), chlorophyll a., active chlorophyll a., Fv/Fm and cell density of bloomed Microcystis was rapidly decreased after one day of GreenTD inoculation of 1 ppm. Algicidal efficiency was 93% at 4th day of microcosm.
URI
https://sciwatch.kiost.ac.kr/handle/2020.kiost/23001
Bibliographic Citation
ICHA 2018, pp.1, 2018
Publisher
ISSHA
Type
Conference
Language
English
Publisher
ISSHA
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