地球学报2017，Vol.38Issue(3)：393-402,10.DOI:10.3975/cagsb.2017.03.09
黄土高原平凉地区中全新世以来孢粉-植硅体记录对比研究
Comparative Study of Pollen and Phytolith Records since the Middle Holocene from Pingliang Region of Loess Plateau
摘要
Abstract
The dating and analysis of pollen and phytolith were conducted for the sample taken from the Pingliang profile located in Dazhai Village, Pingliang County, Gansu Province, Northwest China. Four types of pollens (i.e.,Picea,Pinus, Gramineae andArtemisia) which showed high content and had the typical environmental indication significance were compared with four types of phytoliths (i.e., Fan-shaped, Rectangle, Rhabdolith and Acicula). The results showed that, although the overall trend of climatic environment indicated by pollen and phytolith records was similar, yet there existed some difference. The climatic zone with higher content of pollen well corresponds to phytolith climate zone, reflecting the accurate climate types. When the content of other pollens was low, and pollens with strong transmission capacity and no-representativeness (e.g.,Pinus) existed, the accuracy of climatic environment indicated by the pollen was low. However, the content of phytolith in the whole loess profile was higher, so the climate characteristics reflected was more accurate. In contrast to the pollen in the Loess Plateau where the pollen content is low, the phytolith is an effective tool for the study of paleoclimate.关键词
平凉地区/孢粉/植硅体Key words
Pingliang region/pollen/phytolith分类
生物科学引用本文复制引用
刘林敬,杨振京,王盼丽,毛欣,姜高磊,王成敏,刘荣访,杨庆华..黄土高原平凉地区中全新世以来孢粉-植硅体记录对比研究[J].地球学报,2017,38(3):393-402,10.基金项目
本文由中国地质科学院基本科研业务费项目(编号: YWF201411 （）
YYWF201627)资助. This study was supported by Central Pub-lic-interest Scientific Institution Basal Research Fund (Nos. YWF201411 and YYWF201627). （Nos. YWF201411 and YYWF201627）
