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KMID : 0368419840270020051
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Journal of Plant Biology
1984 Volume.27 No. 2 p.51 ~ p.60
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An Ecological Study on the Evergreen Broadleaved Forest of Jisimdo
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金俊鎬/Kim, Joon Ho
曺度純/趙京濟/閔丙未/Cho, Do Soon/Cho, Kyung Je/Min, Byung Mee
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Abstract
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Jisimdo is an island where evergreen broadleaved forests are well preserved. Soil environments and forest structures of Jisimdo were investigated, and an actual vegetation map and profile diagrams were drawn out.
The natural vegetation of Jisimdo was divided into two stand units, one was evergreen broadleaved forest and the other was Pinus thunbergii forest. 26 species were identified as evergreen broadleaved trees, and among them, Camellia japonica was the dominant of the tree layer of evergreen broadleaved forest. Profile diagram shows that Camellia japonica, with average height of 7∼8m, formed lower tree layer, and laurels like Cinnamomum japonicum, Mahcilus thunbergii, and Neolitsea sericea formed upper tree layer.
In Pinus thunbergii forest, plants of shrub and herb layers were abundant because of much light penetrated into the forest floor, and these layers were largely composed of evergreen broadleaved trees. This fact shows the possibility of succession from Pinus thunbergii forest into evergreen broadleaved forest.
Jisimdo is geographically adjacent to Jangseungpo and Okpo, and this increases the economic value of Jisimdo as a place of public resort. It will be necessary to take an urgent measure to prevent the evergreen broadleaved forests of Jisimdo from being destroyed by land development and human interferences.
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