Urban Areas
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The built-up or densely populated area containing the city proper; suburbs, and continuously settled commuter areas; definitions of urban areas vary by countries.
Narrower Topics
Urban Agriculture
Urban agriculture (UA) is defined as the production of crop and livestock goods within cities and towns.
Urban Ecology
Urban ecology is defined as the study of structure, dynamics, and processes in urban ecological systems. Urban ecology is the study of the relationships of human and nonhuman organisms in urban areas, the interactions of these organisms with the native and built physical environment, and the effects of these relationships on the fluxes of energy, materials, and information within individual urban systems and between urban and nonurban systems.
Urban Horticulture
The science and art of promoting the successful growth and development of ornamental plants, turf, vegetables and fruit in the urban environment.
Wildland-Urban Interface
The common area where human settlements and built structures are intermixed and/or adjacent to undeveloped land in which the vegetation is permitted to grow without significant human interference.