Journal of the Korean Institute of Landscape Architecture (한국조경학회지)

The Korean Institute of Landscape Architecture (한국조경학회)
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Effects of Environmental Factors on the Cambial Electrical Resistance of Woody Plants

목본식물 형성층 전기저항에 영향을 주는 환경 요인

  • Kim, Dong-Uk (Graduate School, Catholic University of Daegu) ;
  • Kim, Min-Soo (Dept. of Landscape Architecture, Catholic University of Daegu) ;
  • Lee, Bu-Yong (Dept. of Environmental Science, Catholic University of Daegu)
  • 김동욱 (대구가톨릭대학교 대학원) ;
  • 김민수 (대구가톨릭대학교 조경학과) ;
  • 이부용 (대구가톨릭대학교 환경과학과)
  • Published : 2007.08.31
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Abstract

This study was conducted to analyze the effects of environmental factors such as soil moisture, light intensity, temperature and humidity on changes in cambial electrical resistance. To improve data quality, cambial electrical resistance was continuously measured at fixed points by using a data logger isolated from alternating current. The relationship between environmental factors and changes in cambial electrical resistance was also analyzed. The results are as follows: 1. Cambial electrical resistance is highly correlated to the temperature of the measured area(r=-0.934). Therefore, temperature compensation is needed to analyze the effects of other environmental factors on cambial electrical resistance changes. 2. If temperature is compensated for, the change of cambial electrical resistance is highly correlated to water vapor pressure(r=-0.836). 3. If temperature and humidity are compensated for, the change of cambial electrical resistance is highly correlated to intensity of light(r=-0.738). 4. Diurnal deviation of soil water potential is not more significantly related than the change of cambial electrical resistance. However, in the long-term, soil water potential and cambial electrical resistance are highly correlated(r=-0.831). This indicates that soil moisture significantly influences the long-term change of cambial electrical resistance.

Keywords

References

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