Migration and gene flow are related but distinct concepts. Migration refers to the movement of individuals from one population or area to another, often for reasons such as resource availability or breeding. Gene flow, on the other hand, is the transfer of genetic material between populations, which can occur as a result of migration when individuals interbreed and share their genes. Thus, while migration can facilitate gene flow, they are not synonymous.
Gene flow
Migration flow involving movement across international borders.
Migration
migration
back flow of people to their native country
It was a flow of African Americans moving from the South to the North.
Shigemi Kono has written: 'Inter-prefectural migration in Japan, 1956 and 1961' -- subject(s): Internal Migration
Many rivers in Japan flow into the Pacific Ocean. This vast body of water borders the eastern coast of the country and is integral to Japan's geography and climate. Additionally, some rivers also flow into the Sea of Japan, which lies to the west.
It has been to the United States.
National migration flow refers to the movement of people across borders within a specific country, encompassing both immigration and emigration. It includes the patterns of individuals relocating for various reasons, such as economic opportunities, education, or family reunification. This flow can significantly impact demographic trends, labor markets, and cultural diversity within the nation. Analyzing national migration flows helps policymakers address challenges and opportunities related to population changes.
A migration flow refers to the movement of people from one location to another, often across borders, driven by various factors such as economic opportunities, conflicts, environmental changes, or social factors. It can be characterized by the number of individuals migrating, the direction of the movement, and the duration of their stay in the destination location. Migration flows can be temporary or permanent and can significantly impact both the origin and destination regions economically, socially, and culturally.