Dose-effect correlation of chloride de-icing salt on Euonymus japonicus |
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| Authors: | Zhou-Yuan Li Jun-Hui Zhou Ying-Mei Liang |
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| Institution: | 1 College of Environmental Science and Engineering, Beijing Forestry University, Beijing 100083, China 2 School of Environment, Tsinghua University, Beijing 100084, China 3 College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China 4 Museum of Beijing Forestry University, Beijing Forestry University, Beijing 100083, China |
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| Abstract: | In order to prevent severe pollution by de-icing salt on greenery along urban roads, a half lethal dose (LD50) for a plant population was confirmed through stress simulation of chloride de-icing salt on Euonymus japonicus, with an analysis of physiological changes, statistics on mortality rate on plant populations and mathematic modeling during a 30-day subacute toxicity test. The results indicate that a significant positive correlation in the early stages and a significant negative correlation in the later stages were observed between the amount of chlorophyll a and b in plants and a cumulative |
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| Keywords: | de-icing salt Euonymus japonicus dose-effect correlation half lethal dose |
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