Migration, migratory, or migrate may refer to:

Human migration

Human migration Human migration is the movement of people from one place to another with intentions of settling, permanently or temporarily, at a new location (geographic region). The movement often occurs over long distances and from one country to another (ex ...

, physical movement by humans from one region to another **

International migration International migration occurs when people cross state boundaries and stay in the host state for some minimum length of the time. Migration occurs for many reasons. Many people leave their home countries in order to look for economic opportunities ...

, when peoples cross state boundaries and stay in the host state for some minimum length of time

Natural sciences

Biology

Migration (ecology) 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 mig ...

, the large-scale movement of species from one environment to another **

Animal migration Animal migration is the relatively long-distance movement of individual animals, usually on a seasonal basis. It is the most common form of migration in ecology. It is found in all major animal groups, including birds, mammals, fish, reptile ...

** Bird migration * Plant migration, see

Seed dispersal In Spermatophyte plants, seed dispersal is the movement, spread or transport of seeds away from the parent plant. Plants have limited mobility and rely upon a variety of dispersal vectors to transport their seeds, including both abiotic vectors ...

, the movement or transport of seeds away from the parent plant * Gene migration, a process in evolution and

population genetics Population genetics is a subfield of genetics that deals with genetic differences within and between populations, and is a part of evolutionary biology. Studies in this branch of biology examine such phenomena as Adaptation (biology), adaptation, ...

Cell migration Cell migration is a central process in the development and maintenance of multicellular organisms. Tissue formation during embryonic development, wound healing and immune responses all require the orchestrated movement of cells in particular dire ...

, a process in the development and maintenance of multicellular organisms **

Collective cell migration Collective cell migration describes the movements of group of cells and the emergence of collective behavior from cell-environment interactions and cell-cell communication. Collective cell migration is an essential process in the lives of multicellu ...

, describing the movements of group of cells

Physics and chemistry

Molecular diffusion Molecular diffusion, often simply called diffusion, is the thermal motion of all (liquid or gas) particles at temperatures above absolute zero. The rate of this movement is a function of temperature, viscosity of the fluid and the size (mass) of ...

, in physics *

Migration (chemistry) In organic chemistry, a rearrangement reaction is a broad class of organic reactions where the carbon skeleton of a molecule is rearranged to give a structural isomer of the original molecule. Often a substituent moves from one atom to another ...

, type of reaction in organic chemistry *

Seismic migration Seismic migration is the process by which seismic events are geometrically re-located in either space or time to the location the event occurred in the subsurface rather than the location that it was recorded at the surface, thereby creating a more ...

, in seismic and ground penetrating radar data processing * Microscopic motion of material caused by an external force, distinct from spontaneous diffusion, including

drift current In condensed matter physics and electrochemistry, drift current is the electric current, or movement of charge carriers, which is due to the applied electric field, often stated as the electromotive force over a given distance. When an electric fi ...

, electrophoresis, electromigration,

thermodiffusion Thermophoresis (also thermomigration, thermodiffusion, the Soret effect, or the Ludwig–Soret effect) is a phenomenon observed in mixtures of mobile particles where the different particle types exhibit different responses to the force of a temper ...

sedimentation Sedimentation is the deposition of sediments. It takes place when particles in suspension settle out of the fluid in which they are entrained and come to rest against a barrier. This is due to their motion through the fluid in response to the ...

, in physical chemistry and materials *

Planetary migration Planetary migration occurs when a planet or other body in orbit around a star interacts with a disk of gas or planetesimals, resulting in the alteration of its orbital parameters, especially its semi-major axis. Planetary migration is the most li ...

, the alteration of the satellite's orbital parameters

Information technology

Migration (virtualization) In the context of virtualization, where a ''guest'' simulation of an entire computer is actually merely a software virtual machine (VM) running on a ''host'' computer under a hypervisor, migration (also known as teleportation) is the process by wh ...

, the process by which a running virtual machine is moved from one physical host to another *

Content migration Content migration is the process of moving information stored on a given computer information system (IS) to a new system. The IS may be a Web content management system (CMS), a digital asset management (DAM), or a document management system (DMS) ...

, the process of moving information to a new system *

Data migration Data migration is the process of selecting, preparing, extracting, and transforming data and permanently transferring it from one computer storage system to another. Additionally, the validation of migrated data for completeness and the decommis ...

, the process of transferring data between storage types, formats, or computer systems *

PC migration PC migration is the process of transferring the entire user environment (e.g. personal documents and settings) between two computer systems. The migration problem is often associated with the concept of total cost of ownership where the requirement ...

, the process of transferring the entire user environment between two computer systems *

Schema migration In software engineering, a schema migration (also database migration, database change management) refers to the management of version-controlled, incremental and reversible changes to relational database schemas. A schema migration is performed ...

, the management of incremental, reversible changes to relational database schemas *

Software migration Legacy modernization, also known as software modernization or platform modernization, refers to the conversion, rewriting or porting of a legacy system to modern computer programming languages, architectures (e.g. microservices), software libraries ...

, the conversion, rewriting or porting of a legacy system to a modern computer system *

System migration System migration involves moving a set of instructions or programs, e.g., PLC (programmable logic controller) programs, from one platform to another, minimizing reengineering. Migration of systems can also involve downtime, while the old syste ...

, the tasks involved when moving data and applications from current hardware to new hardware

Arts and media

Music

* "Migrate" (song), a 2008 song from Mariah Carey's album ''E=MC²'' * ''Migration'' (The Amboy Dukes album) * ''Migration'' (Antonio Sánchez album), a 2007 album by Antonio Sánchez * ''Migration'' (Bonobo album), 2017 album by Bonobo * ''Migration'' (Creative Source album), the second album by Los Angeles, California-based R&B group Creative Source * ''Migration'' (Dave Grusin album) * ''The Migration'', album by

Scale the Summit Scale the Summit is an American instrumental progressive metal band based out of Houston, Texas. It formed in 2004 and signed to Prosthetic Records. The band is influenced by other progressive acts such as Cynic and Dream Theater. The band gain ...

* ''Migrations'' (album), a 2006 album by The Duhks

Other media

* ''Migrations'', a 2000 photo essay and book by

Sebastião Salgado Sebastião Ribeiro Salgado Júnior (born February 8, 1944) is a Brazilian social documentary photographer and photojournalist. He has traveled in over 120 countries for his photographic projects. Most of these have appeared in numerous press pu ...

* ''Migrations'', 1929 novel by

Miloš Crnjanski Miloš Crnjanski ( sr-cyr, Милош Црњански, ; 26 October 1893 – 30 November 1977) was a Serbian writer and poet of the expressionist wing of Serbian modernism, author, and a diplomat. Biography Crnjanski was born in Csongrád (mode ...

* ''Migrations'' (film), a 1988 Yugoslav film based on the novel * ''Migrations'', by

Karim Alrawi Karim Alrawi (Arabic كريم الراوي) is a writer born in Alexandria, Egypt. He has taught at universities in the UK, Egypt, US and Canada. He was an International Writing Fellow at the University of Iowa and taught creative writing at the ...

, a stage play and winner of the John Whiting Award * ''Migration'' (film), a 2014 animated film by Mark Lomond and Johanne Ste-Marie * ''Migration'', an upcoming film from

Illumination Entertainment Illumination (formerly known as Illumination Entertainment) is an American computer animation studio, founded by Chris Meledandri in 2007. Illumination is owned by Meledandri and the Illumination brand is co-owned by Universal Pictures, a divisi ...

Other uses

Piercing migration Piercing migration is the process that occurs when a body piercing moves from its initial location. This process can be painful or go unnoticed, until it has progressed. Given enough time, a ring may migrate entirely outside of the skin, althoug ...

, in body modification, a process that occurs when a body piercing moves from its initial location