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Changes of the distribution of Pinus koraiensis Sieb. et Zucc. in Japan Archipelago since the Last Glacial

红松分布的变化。

基本信息

批准号：
08680185
负责人：
OKITSU Susumu
金额：
$ 1.34万
依托单位：
CHIBA UNIVERSITY
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
1996
资助国家：
日本
起止时间：
1996 至 1997
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-08680185/
关键词：
Pinus koraiensis vegetation geography Last Glacial vegetation history Japan Archipelago subalpine coniferous forest conifer-bloadleaved mixed forest northeastern Asia

项目摘要

This research aims firstly to clarify the distribution of Pinus koraiensis Sieb.et Zucc.in Japan. Pinus koraiensis restricted mostly to central Honshu. Vertically, P.koraiensis concentrates in the subalpine zone. It only scarcely appears in the montane zone. P.koraiensis seldom makes its own dominant forest in Japan. Pinus koraiensis increased its relative abundance on the rocky slope. In the montane zone of the continental part of northeastern Asia, P.koraiensis is distributed widely. There it makes its own dominant forest mixed with deciduous-broadleaved trees.Next this research considers the canges in the distribution of Pinus koraiensis in japan since the Last Glacial. In the Last Glacial Pinus koraiensis was distributed widely mixed with the trees of Picea and Abies as well as with deciduous-broadleaved trees. This forest type seems to be quite similar to that of the Pinus koraiensis dominant forest in the continental part of northeastern Asia. From the view point of the vegetation history since the Last Glacial the Larix-Quercus-Pinus mixed secondary forest on the southwest slope of Mt. Nishi, central Japan was significant. This type of forest was a relict from the forests occurring widely in central Japan at the Last Glacial when the climate was cold and dry. The forest was forced to be left during the Post Glacial with climatic warming moistening on the southwest slope of Mt. Nishi as a refuge, where even at present cold and dry climate prevails in central Japan.

本研究的目的是首先弄清红松Zucc.in日本的分布. Sieb.et红松主要分布于本州中部。垂直分布上，红松主要集中在亚高山带。它很少出现在山区。在日本，红松很少形成自己的优势林。红松在岩质边坡上的相对多度增加。在亚洲东北部的山地，红松分布广泛。在那里，它形成了自己的优势林和落叶阔叶树的混合林。其次，本研究考虑了末次冰期以来日本红松分布的变化。末次冰期红松广泛分布于云杉、冷杉和落叶阔叶树之间。这一森林类型似乎与东北亚大陆部分的红松优势林十分相似。从末次冰期以来的植被历史来看，天山西南坡的落叶松-栎-松混交次生林是一种典型的森林类型。日本中部的西市意义重大。这类森林是在末次冰期气候寒冷干燥时在日本中部广泛存在的森林的残遗。森林被迫离开后冰川与气候变暖滋润西南坡的山。西作为一个避难所，即使在目前寒冷和干燥的气候在日本中部盛行。