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Effects of Forest Stand Density on Human's Physiophychological Changes

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概要 This study was carried out to investigate the influence of forest stand density on human's physiopsychological changes using electoroencephalogram (EEG), pulse, profile of good states (POMS), and sema...ntic differential attitude (SDA) of testees.The stand density, defined as the percentage of tree crown area ofo a 10m×10m plot, was adjusted with computer simulation in order to obtain 30%, 50%,70% and 100% of coniferous and broad-leaved forests, respectively. In order to reduce experimental errors of testees, all experiments were conducted in a laboratory where temperature, humidity, and noise levels were controlled. The results obtained showed that a greater stand density of the coniferous forest causes greater activity in the frontal brain, while a lower stand density produces relaxation in the brain. For the broad-leaved forest, The EEG was most active when the stand density was 100%, and both brain activity and pulse late were most stable at a stand density of 50%.続きを見る

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登録日 2009.04.22
更新日 2015.11.06