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자료유형
학술저널
저자정보
김유진 (경희대학교) 첸쉔린 (경희대학교) 허웬메이 (경희대학교) 유가영 (경희대학교)
저널정보
한국기후변화학회 한국기후변화학회지 Journal of Climate Change Research Vol.8 No.3
발행연도
2017.9
수록면
257 - 264 (8page)
DOI
10.15531/ksccr.2017.8.3.257

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Carbon capture and storage (CCS) technology has been suggested as an ultimate strategy for mitigating climate change. However, potential leakage of CO<SUB>2</SUB> from the CCS facilities could lead to serious damage to environment. Plants can be a bio-indicator for CO<SUB>2</SUB> leakage as a cost-effective way, although plants’ responses vary with plant species. In this study, a greenhouse experiment was conducted to investigate the relation between the CO<SUB>2</SUB> tolerance of corn species and the initial physiological responses to the elevated soil CO<SUB>2</SUB> concentration. Treatment groups included CI (99.99% CO<SUB>2</SUB> gas injection) and BI (no gas injection). Mean soil CO<SUB>2</SUB> concentration for the CI treatment was 19.5∼39.4%, and mean O<SUB>2</SUB> concentration was 6.6∼18.4%. The soil gas concentrations in the BI treatment were at the ambient levels. In the CI treatment, chlorophyll content was not decreased until the 13<SUP>th</SUP> day of the CO<SUB>2</SUB> injection. On the 15<SUP>th</SUP> day, leaf starch content and stomatal conductance were increased by 89% and 25% in the CI treatment compared to the BI treatment, respectively. This might be due to the compensatory reaction of corn to avoid high soil CO<SUB>2</SUB> stress. However, the prolonged CO<SUB>2</SUB> injection decreased chlorophyll content after 13 days. After CO<SUB>2</SUB> injection, plant biomass was reduced by 25% in the CI treatment compared to the BI treatment. Due to the inhibited root growth, leaf phosphorous and potassium contents were decreased by 54% on average in the CI treatment. This study indicates that corn has a high tolerance to soil CO<SUB>2</SUB> concentration of 30% for 2 weeks by its compensatory reactions such as an maintenance of chlorophyll content and an increase in stomatal conductance.

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ABSTRACT
1. 서론
2. 재료 및 방법
3. 결과 및 토의
4. 결론
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