Abstract
Pollen analysis of 23 surface samples in the east of Qaidam Basin reveals the characteristics of pollen assemblages and their relationships with vegetation and climate. In pollen assemblages, Chenopodiaceae and Artemisia are preponderant types in all the samples, and Ephedra, Gramineae and Compositae are common types. The results of DCA (Detrended Correspondance Analysis) and Correlation Analysis show different pollen assemblages indicate different vegetations, coincided with respective vegetation types. A/C (Artemisia/Chenopodiaceae) in the desert can indicate the aridity. Depending on the aridity, the vegetation communities are divided into four groups: severe drought group, moderate drought group, slight drought group and tropophilous group. A/C value is less 0.2 in the severe drought group, 0.2–0.5 in the moderate drought group, 1.63 in the slight drought group and 5.72 slight-wetness group.
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Foundation: Scientific research fund of Hebei Normal University, No.L2004B14; National Key Basic Research Program, No.2005CB422005; National Natural Science Foundation of China, No.90202012; No.40171095; Natural Science Foundation of Hebei Province, No.402615; Knowledge Innovation Project of CAS, No.KZCX3-SW-339
Author: Chen Hui (1972–), Ph.D. and Associate Professor, specialized in ecology and integrated physical geography.
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Chen, H., Zhao, D., Lu, X. et al. Surface pollen in the east of Qaidam Basin. J GEOGR SCI 16, 439–446 (2006). https://doi.org/10.1007/s11442-006-0407-5
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DOI: https://doi.org/10.1007/s11442-006-0407-5