The population concentrated itself in the higher and drier areas of the town.
Yet only when the whole population concentrated itself into a small and relatively dense cloud-jelly, did it become a single magnetic motor unit.
Small population, concentrated on one continent; farming and fisheries.
With populations around the world concentrating in urban areas, food buying is increasingly removed from all aspects of food production.
Thus, the population is still largely rural, but concentrated around the urban centres.
It appears that the site was abandoned as the population concentrated into villages, leaving the land free for cultivation.
The major population concentrated in the northeast portion of the island.
Over the past few decades, the population has generally concentrated in the larger urban communities.
As a result, a large population of birds and animals has concentrated within the borders defined by the low wire fences.
As population concentrates in our cities, our regions and small towns feel left behind.