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environmental impact assessment (EIA) - the assessment of the environmental consequences of a plan, policy, program, or actual projects prior to the decision to move forward with the proposed action. environmental movement (environmentalism) - both the conservation and green movements; a diverse scientific, social, and political movement. In ...
The Stossel Creek project [130] is primarily a watershed restoration effort using native tree species, but it is also experimenting with long-distance assisted population migration of the dominant canopy tree, Douglas-fir. Seedlings of Douglas-fir were sourced from nurseries several hundred miles to the south, in Oregon and even northern ...
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.
Emigration is the act of leaving a resident country or place of residence [1] with the intent to settle elsewhere (to permanently leave a country). [2] Conversely, immigration describes the movement of people into one country from another (to permanently move to a country). [3]
Animal migration; Bird migration; Plant migration, see Seed dispersal, the movement or transport of seeds away from the parent plant; Gene migration, a process in evolution and population genetics; Cell migration, a process in the development and maintenance of multicellular organisms Collective cell migration, describing the movements of group ...
Migration and Global Environmental Change [1] was a report about the influence of climate change on patterns of human migration and displacement published in 2011. The report was produced by the Foresight unit at the UK's Government Office of Science. It became known colloquially as 'The Foresight Report' among people working in the field of ...
Assisted migration is a specific type of species introduction. Species introduction is any act of establishing a species in a habitat it does not currently occupy. It often refers to a long-distance relocation, such as the accidental introduction of an invasive species from one continent to another, or the intentional relocation of a species in decline to a habitat where it can persist.
The World Migration Report 2022, the eleventh in the series, retains the same structure as its predecessors, and has the aim “to set out in clear and accurate terms the changes occurring in migration and mobility globally.” [4] The first part of the report consists of four chapters, which provide updated migration statistics at the global ...