catastrophic mortality

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

不可算名詞

(archaeology, paleontology) The process by which individuals in a population die off in large numbers as part of a single event (rather than one by one, from a variety of causes).

日本語の意味

（考古学、古生物学において）単一の大規模な出来事（例：自然災害や環境の急激な変化）によって、集団内の多数の個体が一斉に死亡する現象

英語の意味

(archaeology, paleontology) The process by which individuals in a population die off in large numbers as part of a single event (rather than one by one, from a variety of causes).

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The stratigraphic layer and radiocarbon dates pointed to catastrophic mortality among the island's fauna, indicating a sudden, single-event die-off.

地層の状態と放射性炭素年代により、島の動物群で単一の急激な事象による大量死が起きたことが示唆された。

詳細

意味（1）

(archaeology, paleontology) The process by which individuals in a population die off in large numbers as part of a single event (rather than one by one, from a variety of causes).