population collapse
Species numbers plummeting
Population collapse is a rapid, severe decline in the number of individuals in a species or demographic group.
Unlike gradual decline, collapse suggests a dramatic drop that may be difficult or impossible to reverse: Scientists warned of population collapse in Atlantic cod stocks.
The term applies to wildlife, human demographics, or any population facing steep decline: Some countries face population collapse as birth rates fall below replacement level.
- declineDecrease or refuse
- birth rate declineDecreasing annual babies per capita
- extinctionComplete vanishing of a species
- demographicStatistical population category
- crashSudden violent impact
fertility · birthrate · aging · shrinking · empty · ghost towns · abandoned · dying · species · ecosystem · famine · plague · pandemic · migration · exodus · barren · sterile · dwindling
- global threatsterrorism, nuclear war, cyberattacks, pandemic, nuclear weapons
- overfishingfish stocks, catch limits, fishing quotas, bycatch, illegal fishing
- wildlife threatsbiodiversity loss, extinction, habitat loss, poaching, species extinction
- demographicsage distribution, gender ratio, ethnic groups, birth rate, census data
- extinctionmass extinction, dodo, extinct, extinction event, extinction rate
population collapsepopulation explosion
Rapid growth in inhabitants
population boom · baby boom · population growth · exponential growth · overpopulation
population collapsespecies recovery
Rebuilding threatened animal populations
population, collapse, populate, populated, populating, populates, depopulate, depopulated, depopulation