对南海184站深海柱状剖面进行了孢粉、藻类研究,根据孢粉成分的变化将南海184站深海沉积从下至上划分了5个孢粉组合带,依次为:Ⅰ带(460-370cm):Quercus(常绿)-Pinus-Dacrydium-Magnolia-Polypodiaceae孢粉带;Ⅱ带(370-250cm):Taxodiaceae-Quercus(常绿)-Pinus-Polypodiaceae孢粉带;Ⅲ带(250-140cm):Pinus-Polypodiaceae-Gramineae-Pteridium孢粉带;Ⅳ带(140-95cm):Polypodiaceae-Pinus-Quercus(常绿)-Gramineae孢粉带;Ⅴ带(95-0cm):Dacrydium-Pinus-Cyathea-Polypodiaceae孢粉带。并相应恢复了南海东部12万年以来4个植被、气候和古环境演替阶段,结合氧同位素测年资料,对184站柱状地层时代划分做了讨论,为南海古植被、古气候和古环境演变研究提供了科学依据。
Based on the sporopollen and algae research of the deep-sea sediments at Core 184 in the South China Sea, five sporopollen zones have been distinguished in ascending order: Zone Ⅰ (460-370 cm) :Quercus(evergreen)-Pinus-Dacrydium-Magnolia-Polypodiaceae; Zone Ⅱ (370-250 cm):Taxodiaceae-Quercus (evergreen)-Pinus-Polypodiaceae; Zone Ⅲ (250--140 cm): Pinus-Polypodiaceae-Gramineae-Pteridium ; Zone Ⅳ ( 140-95 cm) : Polypodiaceae- Pinus-Quercus ( evergreen)-Gramineae; Zone Ⅴ (95-0 cm) : Dacr ydium-Pinus-C yathea-Polypodiaceae. The sporopollen zones reflect four stages of vegetation, climate and paleoenviornment evolution of the eastern South China Sea since 120 000 years ago. Combined with oxygen isotope stratigraphy, the sporopollen and algae data can be one of the evidences for stratigraphic division and reconstruction of paleoclimate and paleoenvironment in the South China Sea.