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Reconstruction of altitudinal transportation range of leaves based on stomatal evidence: An example of the Early Pleistocene Fagus leaf fossils from central Japan
Wang, Yuqing; Ito, Ayano; Huang, Yong-Jiang; Fukushima, Tohru; Wakamatsu, Nobuhiko; Momohara, Arata
2018
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
Volume505Pages:317-325
Abstract

Fossil plant assemblages play a critical role in paleoenvironment estimation, especially for the Cenozoic. However, the extent that the fossil assemblage reflects the source forest is difficult to estimate. The comparison between modern assemblages and their subfossil assemblages shows a significant difference, indicating that the transportation of plant organs can affect the accuracy of paleoenvironment analysis. In this study, we aim to detect leaf transport based on stomatal frequency (stomatal index and stomatal density) variation of 30 fossilized Fagus crenata leaves from the Sayama Formation (1.54-1.66 Ma). We distinguished the sun and shade morphotype of fossil leaves by using undulation index and calculated stomatal frequency variation of only sun fossil leaves. Considering the stomatal index variation of fossil Fagus crenata leaves, the paleo-pCO(2) variation in a warm period between 1.54 Ma and 1.66 Ma was estimated as ca. 35.0 to 39.6 pa. Based on this paleo-pCO(2) variation, altitudinal transportation range of the Early Pleistocene fossil Fagus crenata leaves was estimated at over 1000 m. We presume that leaves of Fagus crenata in the fossil assemblage possibly had come from a wide range of altitudes near the fossil site during the Early Pleistocene. This provides an example of altitudinal transportation of plants before their deposition, which suggests a consideration when reconstructing the palaeovegetation and palaeoclimate from fossil assemblages.

Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/64690
Collection中国科学院昆明植物研究所
Recommended Citation
GB/T 7714
Wang, Yuqing,Ito, Ayano,Huang, Yong-Jiang,et al. Reconstruction of altitudinal transportation range of leaves based on stomatal evidence: An example of the Early Pleistocene Fagus leaf fossils from central Japan[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2018,505:317-325.
APA Wang, Yuqing,Ito, Ayano,Huang, Yong-Jiang,Fukushima, Tohru,Wakamatsu, Nobuhiko,&Momohara, Arata.(2018).Reconstruction of altitudinal transportation range of leaves based on stomatal evidence: An example of the Early Pleistocene Fagus leaf fossils from central Japan.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,505,317-325.
MLA Wang, Yuqing,et al."Reconstruction of altitudinal transportation range of leaves based on stomatal evidence: An example of the Early Pleistocene Fagus leaf fossils from central Japan".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 505(2018):317-325.
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