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논문 기본 정보

자료유형
학술저널
저자정보
오순자 (농촌진흥청) 김현철 (제주특별자치도 한라생태숲) 강희석 (제주특별자치도 세계유산본부) 신창훈 (제주특별자치도 세계유산본부) 고석찬 (제주대학교)
저널정보
한국환경과학회 한국환경과학회지 한국환경과학회지 제29권 제2호
발행연도
2020.2
수록면
123 - 132 (10page)

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초록· 키워드

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Seasonal changes in the CO₂ fixation rate and water-use efficiency in the leaves of six evergreen and two deciduous broad-leaved tree species on Jeju Island, Korea, were measured using a portable photosynthesis analyzer, to identify which species are most efficient in taking up CO₂ from the air. The CO₂ fixation rate was high in the deciduous species in spring and summer and decreased in fall, whereas it was high in the evergreen species in summer and fall and decreased in winter. The rate remained high in the deciduous tree Prunus yedoensis from spring to fall (> 7.1 μ㏖ CO₂/㎡/s) and in two evergreen trees, Castanopsis cuspidata var. sieboldii and Cinnamomum camphora, in summer and fall (7.0 9.9 μ㏖ CO₂/㎡/s). Therefore, these tree species fix atmospheric CO₂ effectively. The water-use efficiency was higher in evergreen species than in deciduous species regardless of the season. Exceptionally, it was high in the deciduous species Zelkova serrata in spring and summer (> 100 μ㏖ CO₂/㏖ H₂O), suggesting that Z. serrata is a useful tree for dry conditions due to its tolerance of water stress. The regressions of the CO₂ fixation rate versus the evaporation rate and stomatal conductance were linear and non-linear, respectively. This suggests that the stomatal activity of leaves plays an important part in CO₂ fixation of plants. In conclusion, C. cuspidata var. sieboldii, C. camphora, and P. yedoensis should be planted along roads or in urban spaces for the greening of cities and mitigation of CO₂ concentrations in the air.

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Abstract
1. 서론
2. 재료 및 방법
3. 결과 및 고찰
4. 결론
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