Journal
ENVIRONMENTAL POLLUTION
Volume 139, Issue 3, Pages 421-432Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2005.06.006
Keywords
photosynthetic capacity; fluoride; chlorine; Pinus koraiensis; Pinus rigida; needle life span
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We investigated the effects of pollutants oil two pine species (Pinus koraiensis and Pinus rigida) in an industrial region in Korea, Using a physiological approach. The concentrations of fluorine (F) and chlorine (Cl) in the atmosphere, in precipitation and soil water at the damaged site were all significantly higher than at a control site. Moreover, the concentrations of F, Cl and Mn in pine needles were significantly higher, and essential elements and chlorophyll in needles were significantly lower at the damaged site than Lit the control site. The photosynthetic capacities, shoot length and survival statistics of needles of the two pines were all significantly reduced at the damaged site compared to the control site, especially P. rigida. Based on our comparison of photosynthetic responses and the concentrations of F, Cl and Mn in needles of the two pine species, P. koraiensis is more resistant to excess Mn in its needles than P. rigida. (c) 2005 Elsevier Ltd. All rights reserved.
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