Sentence examples for natural population from inspiring English sources

One shows Japan's natural population growth.

Its natural population is rarely more than 500.

No natural population of this species exists in the wild.

He said natural population growth in Russia has been registered for the first time since 1991.

Across the continent, the bulk of population growth comes from natural population growth.

Natural population growth has never been a factor in this expansion.

Hornets go through natural population cycles: in some years nests are scarce, while in others nests can be very common, as may be the case in central China.

"We can actually go out into a natural population of fireflies and we can actually talk to fireflies using a simple drugstore LED light," Dr. Lewis said.

Water vole populations are very difficult to estimate, but Tansley said the natural population of tens of millions had now almost certainly dropped below one million.

The Animal Rights Front makes the argument that hunters always kill the healthiest deer, while in a natural population the healthiest survive and the weaker ones don't.

The insect has a natural population cycle of 8 to 10 years, but the speed of this year's resurgence has surprised experts.