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  2. Diel vertical migration - Wikipedia

    en.wikipedia.org/wiki/Diel_vertical_migration

    Diel vertical migration (DVM), also known as diurnal vertical migration, is a pattern of movement used by some organisms, such as copepods, living in the ocean and in lakes. The adjective "diel" (IPA: / ˈdaɪ.əl /, / ˈdiː.əl /) comes from Latin: diēs, lit. 'day', and refers to a 24-hour period. The migration occurs when organisms move up ...

  3. Migrants' food consumption - Wikipedia

    en.wikipedia.org/wiki/Migrants'_food_consumption

    Migrants' food consumption. Migrants’ food consumption is the intake of food on a physical and symbolic level from a person or a group of people that moved from one place to another with the intention of settling, permanently in the new location. Food Consumption can provide insights into the complex experience of migration, because it plays ...

  4. Human migration - Wikipedia

    en.wikipedia.org/wiki/Human_migration

    Human migration is the movement of people from one place to another, [1] 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 (external migration), but internal migration (within a single country) is the dominant form of ...

  5. Push and pull factors in migration - Wikipedia

    en.wikipedia.org/wiki/Push_and_pull_factors_in...

    Push and pull factors in migration according to Everett S. Lee (1917-2007) are categories that demographers use to analyze human migration from former areas to new host locations. Lee's model divides factors causing migrations into two groups of factors: push and pull. Push factors are things that are unfavourable about the home area that one ...

  6. Water, energy and food security nexus - Wikipedia

    en.wikipedia.org/wiki/Water,_energy_and_food...

    A water-energy-food (WEF) nexus assessment supports natural resource management by providing an integrated framework for evaluation and decision-making. The participation of a wide range of stakeholders is essential for achieving environmental, economic, and social sustainability in this framework.

  7. Migration (ecology) - Wikipedia

    en.wikipedia.org/wiki/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 migration is the best known type. Migration is often cyclical, frequently occurring on a seasonal basis ...

  8. Food security - Wikipedia

    en.wikipedia.org/wiki/Food_security

    Food security is the state of having reliable access to a sufficient quantity of affordable, nutritious food. The availability of food for people of any class and state, gender or religion is another element of food security. Similarly, household food security is considered to exist when all the members of a family, at all times, have access to ...

  9. Columbian exchange - Wikipedia

    en.wikipedia.org/wiki/Columbian_exchange

    The Columbian exchange, also known as the Columbian interchange, was the widespread transfer of plants, animals, precious metals, commodities, culture, human populations, technology, diseases, and ideas between the New World (the Americas) in the Western Hemisphere, and the Old World (Afro-Eurasia) in the Eastern Hemisphere, in the late 15th and following centuries. [1]