Engineers did all the work and maintained the population stability at all times.
After the growth of the 1960s, a period of population stability lasted until 1988, when economic depression hit the Soviet Union.
The fishing industry, in effect, was selecting for earlier-maturing, smaller fish, making population stability less and less likely.
There is no way to establish a direct link between the mayor's policies and population stability.
Bolivian Indians have been known to raise guanaco to help them regain their population stability.
Studies revealed that as much as A$200,000 can be made annually from hunting, without damaging population stability.
It might be of value to a race that has achieved population stability.
He incorrectly predicted 200 years as the longest period of growth, followed by population stability.
A high infant mortality rate also contributes to population stability.
Governments should be setting targets for population stability or reduction.