A bottleneck is an event that reduces the genetic difference, or diversity, in a population of animals.

Avoid overloading on your company's stock, because by reducing diversity, that increases risk.

If so, these species are most likely to form dense aggregations that would reduce diversity in local areas.

However, such programs may also reduce genetic diversity and species fitness.

It can also reduce genetic diversity by the exclusion of other males.

For instance, though the evidence is not yet in, she says, the worms may reduce diversity among species of soil mites.

Cats, for example, reduce the numbers and diversity of the state's bird population.

Humans have no right to reduce this richness and diversity except to satisfy vital needs.

Thirdly, the waste of natural resources and reduced biological diversity.

This affects the smaller groups and reduces political diversity.