吉林敦化地区全新世泥炭沉积中植硅体分析

PHYTOLITH ANALYSIS IN HOLOCENE PEAT DEPOSITS IN THE DUNHUA AREA, JILIN PROVINCE

通过敦化吉祥泥炭沉积中的植硅体分析发现,该剖面中植硅体含量丰富,分类特征比较明显。该地泥炭中植硅体组合以示冷型植硅体占优势,温暖指数比较低,反映气候呈寒冷型,期间曾发生4次气候波动。此次研究以泥炭为信息载体,为恢复古环境、古气候演变提供了又一重要的途径。

Phytolith analysis in the peat deposits of Dunhua area shows that there are plenty of phytoliths in peat deposits and their systematic characteristics are specific and meaningful. Phytolith assemblages of this section are dominated by cold resistant types. The lower warm index reflects an overall cold inclined climate, during this period four climatic fluctuations happened. It provides a new approach for paleoclimatic and paleoecological recognition in peat deposits.