Last Updated
：2025/12/06
catastrophic mortality
Noun
uncountable
Japanese Meaning
（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
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(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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catastrophic mortality
The stratigraphic layer and radiocarbon dates pointed to catastrophic mortality among the island's fauna, indicating a sudden, single-event die-off.
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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.
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