Monsoon-induced errors in paleotemperature estimation based on leaf morphology analysis in central Japan
Wang, Yuqing1; Momohara, Arata1; Huang, Yong-Jiang1,2
Corresponding AuthorMomohara, Arata(arata@faculty.chiba-u.jp)
2019-11-01
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
Volume533Pages:11
AbstractModels based on the relationship between leaf morphology and climate parameters of different regions have been used for paleoclimate estimation. Information from Japanese floras has been included in some of these models; however, variation in the distribution pattern of leaf margin within Japan caused by the effect of topography and East Asian Monsoon has not been reflected in these previously published leaf margin analysis models. In this study, we investigate the relationship between leaf characters and climate parameters under different climate conditions within a small geographical scale and, in doing so, improve the accuracy of leaf physiognomy-based paleoclimate reconstruction. We use the local flora in central Japan as an example to determine the distribution pattern of leaf margin (toothed and untoothed) and habit (evergreen and deciduous) characteristics under monsoon climate conditions. In areas along the Pacific Ocean (P-zone), the leaf margin and habit types correlated with the temperature parameters and growing season precipitation. The P-zone includes more toothed species than in other regions of the world obtained with published models at a given mean annual temperature. In the areas along the Sea of Japan (J-zone) with deeper snow cover during the winter, the percent of sub-canopy evergreen shrubs increases, especially at higher altitudes. No significant relationship between leaf margin characters and climate parameters was observed in this area. As heavy snow was a feature of this region since late Early Pleistocene times, paleoclimate estimation based on leaf margin of fossil assemblages younger than Early Pleistocene from these areas might be less reliable. In addition, we found that the leaf margin of woody shrub species is less sensitive to the mean annual temperature than tree species.
KeywordEast Asian monsoon Leaf margin analysis Plant habit Paleoclimate Snow cover
DOI10.1016/j.palaeo.2019.109237
Indexed BySCI
Language英语
WOS Research AreaPhysical Geography ; Geology ; Paleontology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS IDWOS:000487174100009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/69435
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Corresponding AuthorMomohara, Arata
Affiliation1.Chiba Univ, Grad Sch Hort, 648 Matsudo, Chiba 2718510, Japan
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650204, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yuqing,Momohara, Arata,Huang, Yong-Jiang. Monsoon-induced errors in paleotemperature estimation based on leaf morphology analysis in central Japan[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2019,533:11.
APA Wang, Yuqing,Momohara, Arata,&Huang, Yong-Jiang.(2019).Monsoon-induced errors in paleotemperature estimation based on leaf morphology analysis in central Japan.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,533,11.
MLA Wang, Yuqing,et al."Monsoon-induced errors in paleotemperature estimation based on leaf morphology analysis in central Japan".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 533(2019):11.
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