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- W59874859 abstract "안산 공단지대에 식재되어 있는 잣나무와 리기다소나무의 생장 저하의 실태와 그 원인을 구명하기 위하여 생장 및 생리학적 반응을 중심으로 대조구와 비교 고찰하였다. 피해구에 식재 되어 있는 두 수종의 침엽 내 Mn, F 그리고 Cl의 농도는 대조구에 비하여 유의적으로 높았으며, 2년생 3년생으로 갈수록 급격히 그 농도가 증가하였다. 또한 필수 영양 원소인 P와 클로로필 함량은 피해구가 대조구에 비하여 유의적으로 감소하였으며, 또한 침엽의 연령이 증가함에 따라 급격히 감소하였음을 알 수 있었다. 한편, 피해구에 식재되어 있는 두 수종의 최대 광합성률, 양자수율<TEX>$(Phi)$</TEX>, 카르복실레이션효율(CE)등의 광합성 능은 대조구에 비하여 현저히 감소하였다. 이상과 같이 독성 원소의 축적 및 필수 영양 원소의 부족 등 환경 스트레스에 의한 수목 생리활동의 저하가 수목 생장 저하의 직접적인 원인으로 판단된다. We investigated the effects of pollutants on two pine species (Pinus koraiensis and Pinus rigida) in an industrial region, using a physiological approach. We measured the growth and physiological parameters (photosynthetic activity and chemical contents) of the pine trees in relation to environmental pollutants. The concentrations of manganese (Mn), fluorine (F) and chlorine (CI) in needles of two pine species at the damaged site were significantly higher than those at the control site, and concentrations of essential elements (P) and chlorophyll in needles at the damaged site were significantly lower than at the control site. The light-saturated net photosynthesis <TEX>$(P_{sat})$</TEX>, apparent quantum yield <TEX>$(Phi)$</TEX>, carboxylation efficiency (CE) of both pines at the damaged site were significantly lower than those at the control site. The length of shoots and survivorship of needles of two pines at the damaged site were significantly lower than those at the control site. Especially, at damaged site, growth of shoots and needle longevity of P. koraiensis are larger than those of P. rigida." @default.
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- W59874859 date "2005-10-31" @default.
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- W59874859 title "Growth and Physiological Responses of Two Pine Species Grown under Polluted Ansan Industrial Region" @default.
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- W59874859 doi "https://doi.org/10.5141/jefb.2005.28.5.321" @default.
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