吉林省莫莫格泡1500年来的孢粉组合与古环境

应用生态学报 ›› 2004, Vol. ›› Issue (4): 575-578.

吉林省莫莫格泡1500年来的孢粉组合与古环境

介冬梅^1,2, 王升忠¹, 郭继勋¹, 吕金福¹, 李津¹

1. 东北师范大学城市与环境学院地理系, 国家草地工程实验室, 长春 130024;
2. 吉林大学地球科学学院, 长春 130061

收稿日期:2003-07-16 修回日期:2003-11-05
通讯作者: 介冬梅,女,1969年生,博士后,副教授,主要从事第四纪环境学和古生态学研究,已发表论文20余篇.Tel:0431-5683097;E-mail:Jiedongmei@nenu.edu.cn
基金资助:
国家自然科学基金资助项目(49671077,40201052)

Pollen combination and paleo-environment of Momoge Lake since 1500 years before

JIE Dongmei^1,2, WANG Shengzhong¹, GUO Jixun¹, LÜ Jinfu¹, LI Jin ¹

1. Geography Department Institute of Grassland Engineering, Northeast Normal University, Changchun 130024, China;
2. School of Earth Science, Jilin University, Changchun 130061, China

Received:2003-07-16 Revised:2003-11-05

摘要/Abstract

摘要： 通过对莫莫格泡人工剖面14个样品的孢粉分析笔者划分了3个孢粉带:孢粉贫乏带、蒿-藜麻黄孢粉带和蒿-藜孢粉丰富带,根据孢粉组合,¹⁴C测年和沉积相的综合分析认为莫莫格泡是1500aB.P.由古河道洼地为砂丘所堵塞形成的,它经历了河湖转换期、湖泊发育早期和湖泊稳定期,其周围植被由菊科蒿-藜草甸草原逐渐过渡为蒿藜为主的疏林草甸草原和草甸草原,古气候由冷干、温凉偏干向温凉转化,近50年来有暖干化趋势.

关键词: 莫莫格泡, 古植物群落, 孢粉记录, 古环境演变

Abstract: Based on the pollen combination, ¹⁴C dating,and depositional facies analysis of Momoge profile in Zhenlai County,Jilin Province,three pollen belts were divided.The results showed that Momoge Lake was formed by blocked paleo-river course depression 1500 years ago,which included three development stages,i.e.,the period when river converted into lake,the early period of lake development,and the steady period.Its corresponding plant types were Artemisia-Chenopodium grassland,Artemisia-Chenopodium grassland accompanied by Betula,and meadow grassland,and its paleo-climate was dry-cold,warm-dry,and then cool-wet,and there was a warm-dry tendency in recent fifty years.

Key words: Momoge Lake, Paleo-plant community, Pollen record, Paleo-environment evolution

中图分类号:

P531

介冬梅, 王升忠, 郭继勋, 吕金福, 李津. 吉林省莫莫格泡1500年来的孢粉组合与古环境[J]. 应用生态学报, 2004, (4): 575-578.

JIE Dongmei, WANG Shengzhong, GUO Jixun, LÜ Jinfu, LI Jin . Pollen combination and paleo-environment of Momoge Lake since 1500 years before[J]. Chinese Journal of Applied Ecology, 2004, (4): 575-578.

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