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http://dx.doi.org/10.14578/jkfs.2013.102.1.156

Changes in Chlorophyll Contents and Net Photosynthesis Rate of 3-year-old Quercus variabilis Seedlings by Experimental Warming  

Lee, Sun Jeoung (Department of Environmental Science and Ecological Engineering, Graduate School, Korea University)
Han, Saerom (Department of Environmental Science and Ecological Engineering, Graduate School, Korea University)
Yoon, Tae Kyung (Department of Environmental Science and Ecological Engineering, Graduate School, Korea University)
Jo, Wooyong (Department of Environmental Science and Ecological Engineering, Graduate School, Korea University)
Han, Seung Hyun (Department of Environmental Science and Ecological Engineering, Graduate School, Korea University)
Jung, Yejee (Department of Environmental Science and Ecological Engineering, Graduate School, Korea University)
Son, Yowhan (Department of Environmental Science and Ecological Engineering, Graduate School, Korea University)
Publication Information
Journal of Korean Society of Forest Science / v.102, no.1, 2013 , pp. 156-160 More about this Journal
Abstract
Global warming affects terrestrial ecosystem productivity including photosynthesis and plant growth. This study was conducted to investigate the effect of experimental warming on chlorophyll contents and net photosynthetic rate of Quercus variabilis Blume seedlings. One-year-old Q. variabilis seedlings were planted in control and warmed plots in April 2010. The air temperature of warmed plots was increased by $3^{\circ}C$ compared to control plots using the infrared lamp from November 2010. Total chlorophyll contents were higher in warmed plots than those in control plots in May, July, August, September and October, 2012, however, the differences were statistically significant only in October. Net photosynthetic rates were also higher in warmed plots than those in control plots in May (57.0%), September (21.4%), and October (89.6%), however, the differences were significant only in May and October. Higher chlorophyll contents and net photosynthetic rate of warmed plots in spring and fall might be related to the extended growing season length.
Keywords
DMSO; global warming; growing season length; oak; photopigment; photosynthesis;
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Times Cited By KSCI : 3  (Citation Analysis)
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