Sentence examples for populations decline from inspiring English sources
"If their populations decline... then that's a fairly good indicator that something global, something big, is happening".
Usually, countries see their populations decline as soon as they get rich, making their success almost self-defeating.
Catching reef fish with a net is difficult, and increasingly so as populations decline.
According to a simplistic model, when resources are scarce, wolf populations decline and when resources are abundant, populations increase.
In the scrubland canyons of Southern California, researchers have found that where coyote populations decline, the nonbird-eating carnivores are often replaced by domestic cats.
Black populations declined in metropolitan New Orleans, San Francisco, Los Angeles, San Diego and New York.
Meanwhile, populations declined in nine states: Alaska, Connecticut, Hawaii, Illinois, Louisiana, Mississippi, New York, West Virginia and Wyoming.
Initially, Pacific yew populations declined because the harvesting process stripped the bark and killed the trees.
In 18 of the 51 downtowns populations declined.
As a result, the populations declined in fitness over time.
