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A comment on Return of wolves to Yellowstone has led to a surge in aspen trees. Parent comment
It's not as much that the fertility necessarily drops, but that under some conditions the death rate equals or overtakes the birth rate.
And the system is dynamic. So conditions changes, as in some of your examples, even just because the population grows. EG scarcer resources.
[0] https://en.wikipedia.org/wiki/Carrying_capacity
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It's not as much that the fertility necessarily drops, but that under some conditions the death rate equals or overtakes the birth rate.
And the system is dynamic. So conditions changes, as in some of your examples, even just because the population grows. EG scarcer resources.
[0] https://en.wikipedia.org/wiki/Carrying_capacity