제주도 목본식물자원의 분포특성

Abstract

- In this paper, it was discussed situations and necessities of conservation management strategy for the woodyplants resources in Jeju Island. Out of 320 taxa of the woody plants distributed in Jeju, there were 62 families, 136genus, 279 species, 28 varieties and 13 forma. Conifers, gymnosperms, were 3 families, 5 genus and 7 species as holding2.2% of total woody plants. Broad leaves, angiosperms, were 59 families, 131 genus, 272 species, 28 varieties and 13forma that were 313 taxa. Evergreens were 84 taxa consisting of 31 families, 45 genus, 72 species, 7 varieties and 5forma that make up 26.8% out of total angiosperms. Deciduous were 229 taxa (73.2%) consisting of 42 families, 93genus, 200 species, 21 varieties and 8 forma that were 122 trees (38.1%), 177 shrubs (55.1%) and 21 vine plants (6.8%).Life form spectra by dormancy, disseminule, radicoid and growth form were analysed. Thirty eight taxa including 17families, 21 genus, 14 species and 16 varieties out of 320 taxa growing Jeju were endemic to Korea and 22 taxa of themwere endemic to Jeju. The specific plant species among the woody plants in Jeju were 10 taxa in V grade, 24 taxa in IVgrade and 53 taxa in III grade. These are correspondence to those of nations as 12% of V grade, 7.6% of IV grade and17.2% of III grade.Key words - Jeju Island, Woody plants resources, Life form, Endemic