台灣鴛鴦湖自然保留區花粉誌（III）

Pollen Flora of Yuenyang Lake Nature Preserve, Taiwan (III)

本研究為連續研究（Chen and Wang, 1999; Wang and Chen, 2001）之第三篇。鴛鴦湖為酸性湖泊，位於台灣北部的自然保留區內。本研究採集該區隸屬四科十六種植物的新鮮花粉，經處理後，以光學顯微鏡和掃瞄式電子顯微鏡觀察這些花粉的形態。依花粉萌芽口的不同，分為三群：散孔、三溝孔和四至七溝孔的花粉。這些結果可作為研究鴛鴦湖湖積物內之花粉，並進而作為重建鴛鴦湖周邊植群史的基本資料。

This is a supplementary study to previous reports (Chen and Wang, 1999; Wang and Chen, 2001). The pollen morphology of sixteen taxa belonging to four families, collected from Yuenyang Lake Nature Preserve, was examined under light and scanning electron microscopes in the present study. The following are pollen classes obtained on the basis of the pollen aperture: pantoporate, 3-colporate and 4-7-colporate pollen. The results could be useful in the reconstruction of vegetation history around the Yuenyang Lake.