But, he said, computer modeling shows that this mechanism would be efficient enough to explain the rapid migrations of the past.
Such geographic analysis works best in the absence of recent large-scale, rapid migrations.
In 1960's, the town saw a rapid migration to UK for employment purposes.
Plants are of particular concern, given that they tend to lack legs, making rapid migrations problematic.
In particular, the rapid migrations of the 20th century has made it difficult to assess what prior genetic states were.
It has also become clear that terrestrial-mass planets may be subject to rapid inward migration if they form while the gas disk is still present.
Males constituted 58% of the population and females 42%, due to rapid migration of young industrial workers to the area.
A still speedier, and more revealing, indicator of the rapid migration of mass media to the Web can be found in music.
Clearly we favour rapid migration to keep extra costs during migration to a minimum.
The presence of Latin Catholics in this area is due to rapid migration from within and outside the state.