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http://dx.doi.org/10.17820/eri.2015.2.2.147

Effects of Concrete Materials for the Stream Restoration on Bombina orientalis Embryos  

Park, Chan Jin (Department of Life Science, Hanyang University)
Ahn, Hong Kyu (Hydro Science and Engineering Research Institute, Korea Institute of Civil Engineering and Building Technology)
Gye, Myung Chan (Department of Life Science, Hanyang University)
Lee, Tae Hyeong (Sinwoo Bio Bank Co.)
Publication Information
Ecology and Resilient Infrastructure / v.2, no.2, 2015 , pp. 147-153 More about this Journal
Abstract
Various adverse effects can occur due to direct exposure from toxic substances when toxic materials are used to restore river ecosystems. Thus, this study performed analysis on the development of toxicity in terms of survival and abnormality rates using embryos of Bombina orientalis living in Korea to analyze the toxicity of materials used in the river projects. The results showed that the toxicity in cement (C group) was the strongest whereas the toxicity in plant-based polyurethane (P1 group) was the weakest. Survival rates of B. orientalis embryos were 100%, 94 - 95%, 66 - 89% and 0% in control, P1, polyurethane (P2) and C groups, respectively. Abnormalities of embryos were 10.5%, 5.3 - 10.5%, 26.3 - 27.8% and 35.7% in control, P1, P2 and C groups, respectively. Furthermore, we verified that having a sufficient curing time reduced toxic substances that were extracted. The above result suggest that cement and polyurethane hamper the early development of amphibians. In conclusion, it is highly important to review biological safety with respect to the selection of materials used to restore rivers. This study shows the importance of the selection of eco-friendly materials and processes.
Keywords
Amphibian; Cement; Developmental toxicity; Plant-based polyurethane;
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Times Cited By KSCI : 1  (Citation Analysis)
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