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Updated: Jul 1, 2025
08:57
Using Phylogenetic Analysis to Investigate Eukaryotic Gene Origin
Published on: August 14, 2018
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140万年前,東から西へとヨーロッパに人類が散らばった
R Garba1,2, V Usyk3,4, L Ylä-Mella5,6
1Nuclear Physics Institute, Czech Academy of Sciences, Řež, Czechia. garba@ujf.cas.cz.
Nature
|March 6, 2024
まとめ
ウクライナのコロレヴォ遺跡は ヨーロッパで最も古いヒト類の存在を明らかにしています 発見された石器は142万年前のものです この発見は 大陸への早期の人間の移住パターンに 重要な洞察を与えてくれます
科学分野:
- 旧石器時代の考古学
- 四半期地質学
- 人間 の 進化
背景:
- ウクライナ西部のコロレヴォ遺跡には,ヨーロッパ古石器時代における重要性が認められた岩と岩の鉱床にある石器具がある.
- 以前の研究ではコロレヴォの重要性が認められていたが,初期の石器の年齢の決定的な制約は欠けていた.
研究 の 目的:
- コロレヴォ遺跡の 最下層の石器の年齢を 調べるため
- ヨーロッパで最古の人類の存在を確かめるためだ
- 初期のヒト類のヨーロッパへの 拡散パターンを理解するためです
主な方法:
- 2つの埋葬年代測定法を用いた
- モード1型石器を含む堆積物を分析した.
主要な成果:
- 記録された年齢は1.42 ± 0.10百万年,石器のある堆積物単位は1.42 ± 0.28百万年.
- コロレボはヨーロッパで 最も古くから 確認されているホミニン遺跡です
- カウカサスと西南ヨーロッパにおける ホモニン存在の間の時間的ギャップを埋めました
結論:
- この発見は,初期のヒト類がヨーロッパを東に植民地化したという仮説を裏付けている.
- 初期のヒト類は 暖かい氷河期を活用して 高緯度やコロレボのような大陸に 移住したようです
- これは中期プレイストセンの過渡期の重要な環境変化に先立ちます.
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