摘要
根据对黑龙江省同江县 96 QP剖面孢粉分析和14 C测年 ,从下至上可划分为 4个孢粉组合带 :Ⅰ带是以蒙古栎—桦属—蒿属—苔草属—禾本科—水龙骨科为主组合带 ;Ⅱ带是以蒿属—莎草科—禾本科—桦属—栎属为主组合带 ;Ⅲ带是以桦属—蒙古栎—松属—蒿属—莎草科—禾本科为主组合带 ;Ⅳ带是以松属—桦属—蒙古栎—蒿属—苔草属为主组合带 .这 4个孢粉组合带清楚地反映了古植被、古气候演替的 4个阶段 ,依次为 :①温性落叶阔叶林 ,②针、阔叶混交林—草原 ,③以落叶阔叶树稍多的针、阔叶混交林—草原 ,④以松占优势的针、阔叶混交林 .
Based on the palynological assemblages and the 14 C dating from the Tongjiang region of 96-QP core,the four palynological assemblages have been distinguished in ascendant order:Zone Ⅰ: Quercus mongolica-Betula-Artemisia-Carex -Gramineae-Polypodiaceae. Zone Ⅱ : Artemisia -Cyperaceae-Gramineae- Betula-Quercus .Zone Ⅲ: Betula-Quercus mongolica-Pinus-Artemisia -Cyperaceae-Gramineae.Zone Ⅳ: Pinus-Betula-Quercus Mongolica-Artemisia-Carex .Sporo pollen zones mentioned above can clearly represent 4 evolutional stages of vegetation and climate.In ascendant order these stages are:the temperate deciduous broad leafed forest-conifer and deciduous broad leafed mixed forest grass-deciduous broad leaved forest containing coniferous tree grass-conifer as deciduous broad leaved mixed forest dominated by pinus .The climatic variations are:warm and moist-temperate and little dry-temperate and little moist-cool and moist.
出处
《同济大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2003年第6期668-671,共4页
Journal of Tongji University:Natural Science
基金
国家自然科学基金资助项目 ( 4 0 2 760 2 140 14 60 2 4)
华东师范大学河口海岸国家重点实验室基金资助项目 ( 2 0 0 0 0 1)
关键词
植被
孢粉组合
同江地区
泥炭
全新世
气候
环境
vegetation
palynological assemblage
the Tongjiang region
peat
Holocene
climate
environment
