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作 者 ：杨志荣

期 刊 ：生态学报 2001年 21卷 4期 页码：538~543

关键词：大青山；全新世；环境重建；

Keywords:reconstruction of climate and environment, holocene, Daqing Mountains,

摘 要 ：以全封闭湖泊调角海子湖相沉积的高分辨率采样为基本分析材料 ,采用孢粉分析、沉积地球化学分析、14 C测年等多种分析手段 ,对调角海子地区全新世气候与环境进行了综合研究。结果表明 :全新世气候与环境演化可划分为 5个阶段 ,其中后两个阶段又可分为 3个亚段 ;全新世大暖期的时代为 94 0 0～ 380 0 a BP;全新世大暖期具有二分性 ;690 0～630 0 a BP为全新世气候最适宜的鼎盛期 ,当时气温比现在高 2～ 3℃ ,降水量至少高于现代 1 50～ 2 0 0 mm,植被为针阔叶混交林。

Abstract:By means of sporo-pollen and geochemistry analysing and 14 C dating of the sediment of Diaojiaohaizi section,the climate and environment of the Holocene in Diaojiaohaizi area were reconstructed.There are following conclusions: (1)Climate and environment changes since 11500 aBP in Diaojiaohaizi area can be divided into 5 phases:11500～10200 aBP,10200～9400 aBP,9400～6900 aBP,6900～3800 aBP and 3800～1900 aBP,and the last two phases can be further divided into 3 subphases separately. (2)From 11500 to ...

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