Eduqas GCSE Geography B key terms

The variety of living organisms in an area.

The total mass of living organisms in an area; living biomass is also a store of nutrients.

A large-scale ecosystem characterised by its climate and dominant vegetation, containing plants and animals adapted to those conditions.

A living component of an ecosystem, such as a plant, animal, fungus or bacterium.

An assessment scale with contrasting descriptions at its two ends, such as very dirty and very clean.

A rating scale with opposite descriptions at its two ends, such as unattractive and attractive.

Paired information about two variables for each observation, such as river width and depth at each sampling site.

A persistent pressure pattern in which high pressure obstructs the usual movement of weather systems, potentially prolonging dry weather in some areas and wet weather in others.

The loss of skilled workers from a country or region when they move elsewhere.

Land that has previously been developed, for example for factories or housing.

Previously developed land that can be reused or redeveloped, such as a former factory or dock site.

Compensating for emissions by supporting activities intended to reduce emissions elsewhere or remove carbon dioxide from the atmosphere.

A store that absorbs more carbon than it releases, such as a growing forest.

Reliance on private cars because other ways of reaching work, services or other destinations are limited or impractical.

The number of animals an area can support over time without degrading its vegetation and soil; this changes with conditions such as rainfall.

A crop grown mainly to be sold rather than consumed by the grower.

The area from which a service draws its users; in physical geography, a river catchment is the area draining into a river.

The area from which a shop or shopping centre draws its customers.

River management that considers how land use, water movement and decisions throughout a drainage basin affect one another.

Data grouped into distinct categories, such as travel method or vehicle type.

A relationship in which a change in one factor produces a change in another.

The central commercial area of a town or city, containing a concentration of shops, offices and other services.

A measure that summarises the centre or typical value of a dataset, such as the mean, median or mode.

An investigation of how a geographical feature or variable differs between two or more times.

Artificial deepening or straightening of a river channel to allow water to pass through more readily.

A map that shades areas according to categories of a numerical variable, with a key explaining the values represented.

A short acknowledgement identifying the source of information, placed alongside the information used.