1.   Although snail numbers have stabilized as springflow rates have rebounded over the last three years, some biologists fear that their population could explode again if springflows drop sharply.

2.   But Corps leaders assert that their overall numbers have largely stabilized, with new arrivals offset by the return home of retirees.

3.   How can the numbers stabilize at a low level if they are fed?

4.   In short, dove numbers have stabilized in Arizona, and so have the number of hunters.

5.   Violent crime is down, the population numbers have stabilized, and optimism is on the rise.