1.   As the population expanded, the forest was increasingly depleted, and its thin soils were worked to exhaustion.

2.   So, although predicting is risky, it seems likely that the special learner population will expand and pressures thereby will accelerate.

3.   That perhaps was an understandable mistake in the nineteenth century when, for example, in this country the population was expanding very rapidly.

4.   As a wolf population expands, he said, it spreads outside parks.

5.   As the global population expands, so must its reliable food supply.

6.   As the population has expanded and land has become scarce, many have left the mountains to seek work in the cities.

7.   Biologists and government officials here say the seal population is expanding so rapidly that many more could be hunted without threatening the species.

8.   -- A young, growing population is expanding consumer demand, especially in countries with rising overall standards of living.

9.   The elderly population is expanding.

10.   The retiree population will then expand rapidly for two decades.