コロンブス 時代 の 前 の 10,000 件 以上 の 土台 が アマゾン に 隠さ れ て い ます
Vinicius Peripato1, Carolina Levis2, Guido A Moreira3
1Division of Earth Observation and Geoinformatics, General Coordination of Earth Sciences, National Institute for Space Research (INPE), São José dos Campos, SP, Brazil.
Science (New York, N.Y.)
|October 5, 2023
まとめ
アマゾンでは,光検出と距離測定 (LIDAR) を使って,24の新しい土台を含む,何千もの未発見のコロンブス以前の考古学遺跡が発見されました. これらの発見は アマゾンの森林と それに関連した家畜の樹木の 重要な古代人の改造を示唆しています
科学分野:
- 考古学
- 環境科学
- リモートセンシング
背景:
- アマゾンの先住民の社会は 長い歴史を持ち 12,000年以上に渡る 占領の証拠があります
- アマゾンの森林の生態系に 古代人の影響の範囲は ほとんど不明です
研究 の 目的:
- アマゾン流域の コロンブス以前の未発見の 考古学遺跡を発見するためです
- 未発見の考古学遺跡の数と分布を推定する.
- 古代社会による過去の森林管理の証拠を特定する.
主な方法:
- 森林の屋根の下にある考古学的な特徴を特定するために,光検出と距離測定 (LIDAR) データを利用しました.
- 大規模な考古学遺跡の分布と豊富さを推定するために空間モデリングを使用しました.
- 土工の発生と家畜の樹種との関連を分析した.
主要な成果:
- アマゾン流域に 24の未発見の コロンブス以前の土台が発見されました
- モデル化された推定では,未発見の考古学遺跡が 10,272 件から 23,648 件,主に南西部にあることが示唆されています.
- 過去の管理を示唆する,土工の場所と有意に相関する 53 の家畜樹種を特定した.
結論:
- アマゾンの密林には まだ発見されていない 考古学的な遺跡が何千もあります
- コロンビア以前の社会は これらの森林を積極的に改造し 現在の状態に影響を与えました
- この発見は アマゾンに古代人の影響の規模を 理解するのに役立ちます
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