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Vegetation and climate changes were investigated on the basis of pollen analysis on the Holocene deposits in Hannam-ri, Jeju Island. The pollen assemblages consist mainly of deciduous and evergreen broadleaved trees, and subordinately of herbs. During the early Holocene (ca. 9,400 ~ 8,100 yr BP) Que...

Vegetation and climate changes were investigated on the basis of pollen analysis on the Holocene deposits in Hannam-ri, Jeju Island. The pollen assemblages consist mainly of deciduous and evergreen broadleaved trees, and subordinately of herbs. During the early Holocene (ca. 9,400 ~ 8,100 yr BP) Quercus subgen. Lepidobalanus-Ulmus/Zelkova deciduous broadleaved forest with herbaceous understory is assumed to have developed under cool temperate conditions. From ca. 8,100 to 2,500 yr BP warm temperate deciduous and evergreen broadleaved mixed forests, which are similar to modern vegetation of the study area, replaced the former forests. An increase in riparian Alnus may indicates humid conditions. This humid and warm conditions during the middle Holocene reflect influences of maritime climate due to sea-level rise and the Holocene climate optimum.

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