まとめ
アイルランドの花粉図の放射性炭素年代測定は,新石器時代の土地の浄化が,紀元前4千年期から始まる3段階で行われたことを明らかにしています. これらの段階には,土地の片付け,農業,そして最終的に異なる時間スケールの森林再生が含まれていました.
科学分野:
- 考古学考古学とは
- パレオエコロジー (古生態学)
- 四次科学とは四次科学である.
背景:
- アイルランドの新石器時代.
- 歴史以前の土地利用パターンを理解する.
- 環境変化に関する時系列的枠組み.
研究 の 目的:
- アイルランドにおける新石器時代の土地片付けの出来事の正確な時間スケールを確立する.
- 人間の影響の持続時間と順序,そしてその後の生態学的回復を分析する.
主な方法:
- アイルランドの3つの考古学遺跡から採取した花粉の放射性炭素年代測定.
- 植生の歴史と土地利用の変化を再構築するために花粉図の分析.
- 異なる段階の年代付け:土地の片付け,農業 (耕作/牧草),森林の再生.
主要な成果:
- 新石器時代の土地の片付けの3つの異なる段階が特定され,紀元前4千年期から始まった.
- ステージA (クリアランス/耕作):100~400年.
- ステージB (牧畜):150〜200年.
- ステージC (森林再生):50〜100年.
結論:
- アイルランドにおける新石器時代の土地の片付けと,その後の土地利用は,多段階のパターンをたどった.
- 人間の影響の持続時間と生態学的継承は,研究された場所によって異なっていた.
- アイルランドにおける新石器時代の環境変容に関する詳細な時系列モデルを提供します.
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