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A local government area (LGA) is an administrative division of a country that a local government is responsible for. The size of an LGA varies by country but it is generally a subdivision of a state , province , division , or territory .
The human population is the main contributor to the expansion of urban areas. As urban areas grow from increasing human population and from migration, this can result in deforestation, habitat loss, and extraction of freshwater from the environment which can decrease biodiversity and alter the species ranges and interaction.
Original mapping by John Snow showing the clusters of cholera cases in the London epidemic of 1854, which is a classical case of using human geography. Human geography or anthropogeography is the branch of geography which studies spatial relationships between human communities, cultures, economies, and their interactions with the environment, examples of which include urban sprawl and urban ...
The UK Department for Communities and Local Government uses the term "urban settlement" to denote an urban area when analysing census information. [6] The Registrar General for Scotland defines settlements as groups of one or more contiguous localities, which are determined according to population density and postcode areas. The Scottish ...
For example, a person might shop in a nearby town, work in an intermediate city, and use an airport in a large city, thus belonging to the catchment areas of several urban centers. The City–Regions System Toolbox (CREST) [ 4 ] allows to check out any country's distribution in population access to cities of different sizes based on travel time.
A civil township is a unit of local government in the U.S., which is subordinate to a county. Specific responsibilities and the degree of autonomy vary based on the laws of the respective state . In many states, townships are organized and operate under the authority of state statutes, similar to counties.
In France, an urban area (Fr: aire d'attraction d'une ville) is a zone encompassing an area of built-up growth (called an "urban unit" (unité urbaine) [41] – close in definition to the North American urban area) and its commuter belt . Americans would find the INSEE definition of the urban area [42] to be similar to their metropolitan area.
In the Spanish-speaking world, a neighborhood or community within a larger urban area, generally with informal boundaries, though in some places the term may refer to a formal subdivision of a municipality. barrow See tumulus. barysphere The Earth's core and mantle considered together, i.e. all of the Earth's interior beneath the lithosphere ...