Pollen analysis of Core Wuku 13 provided a detailed record of palaeoenvironmental changes of Taipei Basin of the recent 20 ka in the lowlands of northern Taiwan. During the last glacial maximum, herbs-dominant assemblage was found and with low pollen concentration while during Holocene, arboreal pollen dominate especially Castanopsis, representing a borad-leaved evergreen subtropical forest lower than 800 m in altitude, northern Taiwan.
