Vegetation and Climate Changes since ca. 13,000 cal yrs BP Based on Pollen Analysis in Harukoyachi Mire, Iwate Prefecture, Northeast Japan

DOI Web Site 4 Citations 28 References

Bibliographic Information

Other Title
  • 岩手山南東麓春子谷地湿原の花粉分析からみた約１３，０００年前以降の植生変遷と気候変化
  • イワテサン ナントウロク ハルコヤチ シツゲン ノ カフン ブンセキ カラ ミタ ヤク 13000ネンマエ イコウ ノ ショクセイ ヘンセン ト キコウ ヘンカ

Search this article

Abstract

We performed pollen and tephra analyses and radiocarbon dating measurement on sedimentary drilling cores in Harukoyachi Mire (460m a. s. l.), Iwate Prefecture, northeast Japan. These cores included Akitakomagatake-Yanagisawa pumice, Akitakomagatake-Horikiri pumice, Towada-a volcanic ash, and Iwate-Kariya scoria. The local vegetation changes around the site since ca. 13, 000cal yrs BP were reconstructed as follows: Betula forest mixed with cool temperate broad-leaved forest in ca. 13.4-13.0ka; transitional forest from Betula forest to cool temperate broad-leaved forest in ca. 13.0-10.5ka; cool temperate broad-leaved forest composed mainly of Quercus subgen. Lepidobalanus in ca. 10.5-1.4ka; cool temperate broad-leaved forest and Cryptomeria japonica forest in ca. 1.4-0.2ka; and Pinus densiflora secondary forest and Cryptomeria japonica plantation forest in ca. 0.2ka-present. These vegetation changes indicate that the climate in this region was cool in ca. 13.0ka, followed by an abrupt increase in temperature during ca.13.0-10.5ka, and finally warm similar to the present.

Journal

Citations (4)*help

See more

References(28)*help

See more

Related Projects

See more

Keywords

Details 詳細情報について

Report a problem

Back to top