die-off (d  ôf , - f)n. The elimination of a species, population, or community of plants or animals as a result of natural causes. |
| die-off (dôf) A sudden, severe decline in a population or community of organisms as a result of natural causes. Local die-offs can be caused by such factors as an unusual or extreme weather pattern, an outbreak of disease, or toxic algal blooms in a body of water. Widespread or global die-offs in which a species or group of species becomes extinct are generally associated with rapid climate change or other large-scale environmental dislocations. |
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