Sentence examples for barriers to migration from inspiring English sources
Traditionally most have headed for English-speaking countries, but growing numbers are now working in the EU, as barriers to migration have come down.
A5 Educated Workers Welcome Legions of common workers across the globe face new barriers to migration, as destination countries tighten their borders and toughen their talk.
The major engineered barriers to migration of radionuclides from HLW in repositories are the canister and surrounding smectite clay.
However, there may be barriers to migration, such as financial constraints, lack of information about urban job opportunities, or desire to remain with one's family.
In principle, barriers to migration for the wealthy are low, suggesting that even small changes to top tax rates might set off tax flight.
Human population growth can bring urban sprawl and plant invasions that isolate one population "island" from another and create insurmountable barriers to migration and repopulation.
Initially, however, barriers to migration-especially international migration-in the form of high costs, poor information, and uncertainty may discourage poor households from participating in migration, especially abroad.
In the tropics, however, little opportunity for similar overland movement of cold-adapted biota was possible because vast forestland in the tropical lowlands formed a barrier to migration.
Following push-pull and classic economic/geographic migration models, distance between origin/destination is known to be a barrier to migration and to influence the selectivity and efficiency of migration streams.
They also suggest that the waterless Nejd plateau of southern Arabia, which would have posed another barrier to migration, was in fact at that time covered in lakes and lush, game-filled vegetation.
For instance, C. thomasii, confined in a small refuge area of southern Italy, did not contribute to the post-glacial colonization of Europe since the Alps are an important barrier to migration.
