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Gene flow is the transfer of alleles from one population to another population through immigration of individuals. In population genetics, gene flow (also known as migration and allele flow) is the transfer of genetic material from one population to another. If the rate of gene flow is high enough, then two populations will have equivalent ...
On the other hand, if immigration and colonization rates are low relative to extinction rates, meaning more individuals of a population die comparing to the newly arrived ones, the rescue effect is small. It can also be concluded that the insular isolation should be inversely related to the turnover rate of the population inhabiting the island.
Wildebeest migrating in the Serengeti. Migration, in ecology, is the large-scale movement of members of a species to a different environment.Migration is a natural behavior and component of the life cycle of many species of mobile organisms, not limited to animals, though animal migration is the best known type.
When discussing population dynamics, behavioral ecology, and cell biology, recruitment refers to several different biological processes. In population dynamics, recruitment is the process by which new individuals are added to a population, whether by birth and maturation or by immigration. [1]
Cross-cultural psychology is differentiated from (but influences and is influenced by), cultural psychology, which refers to the branch of psychology that holds that human behavior is strongly influenced by cultural differences, meaning that psychological phenomena can only be compared with each other across cultures to a limited extent. In ...
Immigration of species onto the island was then observed in a first and second year census. Wilson and Simberloff confirmed that there was an inverse relationship between the number of species on an island and the distance to the source region as predicted in The Theory of Island Biogeography .
Sociobiology is a field of biology that aims to explain social behavior in terms of evolution.It draws from disciplines including psychology, ethology, anthropology, evolution, zoology, archaeology, and population genetics.
Immigration is the international movement of people to a destination country of which they are not usual residents or where they do not possess nationality in order ...