Fluvial sediments and porcelain clay of the Miocene to Pleistocene Seto Group, central Japan

Hatano, Nozomi; Yoshida, Kohki; Sasao, Eiji

doi:10.5575/geosoc.2020.0028

Cited by 2 publications

(1 citation statement)

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“…Its ovate-to-elliptic leaves with a serrated margin, accompanied by cupules with recurved spine-like appendages (Figure 4f) are similar to the modern F. hayatae. Fossil beeches described by Miki (1941) from the lowermost part of the Seto Group (ca 12-9 Ma, Hatano et al, 2021) in Aichi and Gifu Prefectures are identified as F. stuxbergi based on cupule morphology with recurved spine-like appendages (Figure 4b,c). Meanwhile, its leaves (Figure 4a) with narrower blades and higher secondary vein numbers compared to those from strata since 8 Ma (Figure 4d) are similar to F. antipofi leaves.…”

Section: Neogene Beeches and Their States In Forestsmentioning

confidence: 99%

Review: Biogeographic and environmental history of Fagus and beech‐dominant forest in Japan

Momohara

Ito

2023

Ecological Research

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There is a rich beech fossil record in Japan dating from the Paleogene to the Holocene, which allows for the continuous tracing of the evolutionary history of the genus and allows us to understand the environmental background that facilitated the genus to obtain a dominant state in present-day forests. In addition to the temperate climate, the oceanic climate was an important factor in controlling beech distribution and dominance in the forests in Japan. With the cooling climate, beech species began expanding their distribution in the Northern Hemisphere in the middle Eocene and appeared in Japan in the late middle Eocene. Beech species became dominant in forests in Japan during the Miocene along with the development of the oceanic climate by the opening of the Sea of Japan and with the strengthening of the monsoon. Fagus crenata appeared until the Late Pliocene and became dominant in forests in central Japan in the late Early Pleistocene coinciding with the onsetting inflow of the Tsushima Warm Current to the Sea of Japan in interglacial stages. During the full-glacial stages since the late Middle Pleistocene, the cold and dry climate caused by the strong winter monsoon limited the distribution of beeches into refugia at humid places, including the inland. During the deglaciation since ca 19 ka, the beech population began to grow and its distribution expanded, controlled by the development of the Tsushima Warm Current, as well as latitudinal and altitudinal temperature clines.

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Section: Neogene Beeches and Their States In Forestsmentioning

confidence: 99%