11.   It has also been hinted by officials that the population might be reduced through use of high-tech birth control methods.

12.   Judges are getting angry, and even county sheriffs are threatening legal action if their jail populations are not reduced.

13.   Lieberman said he agreed to the arrangement to avoid costly litigation and promised that the state would reduce the population on its own.

14.   Los Angeles is also planning more traditional ways to reduce the population of unwanted animals.

15.   The buffer has reduced the population of weevils that might hibernate, survive the winter and migrate.

16.   The researchers say the ultraviolet exposure reduced the population of bacteria, made them less active or changed the composition of microbial species in the soil.

17.   The protesters maintained that more humane techniques, including sterilization and a process called immunological contraception, were available to reduce deer populations.

18.   The researchers found that applying various foreign substances to ant routes did have some effect in reducing ant populations during unusually heavy invasions.

19.   The pollock population grew, according to one hypothesis, when whalers reduced the populations of whales that survive by filtering microscopic animals from the water.

20.   This has alarming implications for the entire Yellowstone ecosystem because lake trout can eradicate or drastically reduce the population of cutthroat in the lake.