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- 守田 益宗
- 東北大学理学部生物学教室大学院
書誌事項
- タイトル別名
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- Palynological Study of the Deposits from the Uryu-Numa Moor in Mt. Shokanbetsu, Hokkaido
- ショカンベツダケ ウリュウヌマ シツゲン ノ カフン ブンセキテキ ケンキュウ
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1) The following five pollen zones were distinguished in palynological analysis of deposits of the Uryu-Numa moor situated at 43°41′48″N lat., 141°36′30″E long., alt. ca. 850m:<br>Ur-I: Betula-Picea zone (depth: 340-280cm)<br>Ur-II: Betula zone (280-260cm)<br>Ur-III: Betula-Quercus-Ulmus-Juglans zone (260-220cm)<br>Ur-IV: Quercus-Betula-Ulmus-Juglans zone (220-120cm)<br>Ur-V: Quercus-Betula zone (120-0cm)<br>2) Ur-I, Ur-II, Ur-III·IV and Ur-V respectively correspond to LG, R-I, R-II and R-III of the Chippubetsu moor pollen sequence (Nakamura 1968).<br>3) The boundary of Ur-I/Ur-II, Ur-II/Ur-III, Ur-III/Ur-IV and Ur-IV/Ur-V are ca. 8, 900y. B. P., ca. 8, 200y. B. P., ca. 7, 000y. B. P. and ca. 3, 800y. B. P. respectively.<br>4) The Uryu-Numa moor was in the alpine zone during the Late-Glacial period.<br>5) Two explanations can be possible for the vegetation of the Climatic Optimum period; i) The Uryu-Numa moor was in the Pan mixed forest zone. ii) Treeless environment was developed in the area which is presently occupied by subalpine zone.
収録刊行物
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- 東北地理
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東北地理 37 (3), 166-172, 1985
東北地理学会
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詳細情報 詳細情報について
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- CRID
- 1390001205148054528
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- NII論文ID
- 130001074933
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- NII書誌ID
- AN00168742
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- ISSN
- 18841244
- 03872777
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- NDL書誌ID
- 3053013
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- データソース種別
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- JaLC
- NDL
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