SPOROPOLLEN AND ALGAE RESEARCH OF CORE B106 IN THE NORTHERN SOUTH CHINA SEA AND ITS PALEOENVIRONMENTAL EVOLUTION
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Abstract
Based on the high-resolution sporopollen and algae research of the sediments from core B106 in the northern South China Sea, three sporopollen zones have been distinguished in ascending order:
Zone 1(294~194 cm):Pinus-Quercus(evergreen)-Gramineae-Polypodiaceae-Pterdium-Dicranopteris.
Zone 2(194~94 cm):Pinus-Quercus(evergreen)-Polypodiaceae-Pteridium-Dicranopteris.
Zone 3(94~4 cm):Pinus-Polypodiaceae-Pteridium-Quercus(evergreen)-Dicranopteris.
These sporopollen zones reflect three stages of vegetation, climate and paleoenvironment evolution of the northern South China Sea since 11 000 years ago. Combined with AMS 14C dating, the sporopollen and algae data can be a scientific evidence for stratigraphic division and reconstruction of paleoclimate and paleoenvironment in the South China Sea.
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