Sentence examples for have been population from inspiring English sources

Their living conditions had changed, Dr. Stiner and Dr. Kuhn surmised, and one cause could have been population increases that pressured their resources.

With some of the vultures, there have been population crashes because some of the medication fed to livestock is toxic to them.

Sure, there have been population increases in all of these places, but populations are increasing everywhere.

Only a few of these studies have been population based, and none had complete genealogic information.

Some suggestions have been population variance, experimental errors, or compound tissue samples (cancer and healthy tissue together).

There have been population studies done in Taiwan including over 16,000 volunteers [ 14], Vietnam [ 8, 17], and The Asian Osteoporosis Study (AOS) [ 1, 5, 18].

"There have been populations of students who have been overleveraged for 40 years," he says.

A feature of this environment must have been populations with high genetic variation from which early farmers selected different types of rice.

Some studies have been population-based, others have focused on high-risk children [ 42].

None of the prior studies testing associations between stress and the metabolic syndrome have been population-based, restricting the external validity of the findings.

Though some of these studies have been population-based [ 9, 10], others examined specific population groups such as those living in the community or as in-patients, [ 11] and most have been conducted in developed countries [ 12, 13].