Korean Journal of Agricultural and Forest Meteorology (한국농림기상학회지)

Korean Society of Agricultural and Forest Meteorology (한국농림기상학회)
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Air Pollution Effects on the Photosynthesis and Chlorophyll Contents of Street Trees in Seoul

대기오염 피해를 받은 서울시내 가로수의 엽록소함량과 광합성 특성

  • 우수영 (서울시립대학교 문리과대학 환경원예학과) ;
  • 이성한 (서울시립대학교 문리과대학 환경원예학과) ;
  • 이동섭 (상주대학교 산림환경자원학과)
  • Published : 2004.03.01
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Abstract

The purpose of this study was to identify the effects of air pollution on the street trees in Seoul. Ten Gingko biloba street trees were selected in both Jongno(polluted area as a control) and Yangjae(non-polluted area) to investigate chlorophyll contents, photosynthesis and antioxidant enzymes such as APX(Ascorbate peroxidase) and GR(Glutathione reductase). The sampling, measurements and analysis were conducted in August. Chlorophyll contents and photosynthesis of Gingko biloba grown in Yangjae were higher than those of Jongno in the August measurement. In contrast, APX and GR activities of Gingko biloba grown in Yangjae were lower than those of Jongno. The observed tree responses are considered to be atypical compensatory response to polluted locations.

서울시내의 대기오염이 식물에 미치는 영향과 대기오염의 해독 메카니즘을 규명하기 위해서 서울시의 대기오염이 높은 종로지역의 은행나무 가로수와 대기오염농도가 약간 낮은 양재동의 은행나무를 선정하였다. 은행나무 각 개체를 대상으로 엽록소함량, 광합성능력, 항산화효소의 활성을 분석하였다. 양재동의 은행나무가 엽록소함량, 광합성능력이 종로지역의 은행나무보다 높은 것으로 나타났고 항산화 효소인 APX와 GR의 활성은 종로지역의 가로수에서 높은 것으로 나타났다. 이는 종로지역의 은행나무가 대기오염이 심한 환경에서 항산화를 극복하기 위해서 항산화 효소의 활성을 높이는 것으로 짐작된다.

Keywords

References

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