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KMID : 1024520170260101111
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Journal of the Environmental Sciences
2017 Volume.26 No. 10 p.1111 ~ p.1124
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Effects on Vegetation Distribution of Odaesan National Park according to Climate and Topography of Baekdudaegan, Korea
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Han Bong-Ho
Choi Jin-Woo
Yeum Jung-Hun
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Abstract
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This study aimed to understand the distribution of vegetation in the eastern and western sides of the Baekdudaegan (ridge) dividing the Odaesan National Park, as influenced by its topography and climate. The actual vegetation, topography and climate for each side were used in the overlay analysis. The results of the analysis of actual vegetation showed a high distribution rate of Quercus mongolica forest on both the eastern and western sides. On the eastern side, the distribution rate of Pinus densiflora forest and P. densiflora-Q. variabilis forest was high, while the western side had a high distribution rate of deciduous broad-leaved tree forest and Abies hollophylla forest. A clear trend was identified for vegetation distribution with respect to elevation but not with respect to slope or aspect. The results of micro-landform analysis showed that the P. densiflora forests in the ridge and slope and the deciduous broad-leaved tree forest in the valley were respectively distributed with a high ratio. In terms of climate, the eastern side revealed an oceanic climate, with a relatively high average annual temperature, while the western side was characterized by relatively high average annual humidity and average annual precipitation. The distribution rate of P. densiflora forest was found to be high on the eastern side of the mountain range.
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KEYWORD
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Ridge impact, Topographic characteristic, Northern temperate zone, Oceanic climate, Overlay analysis
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