Key Terms Flashcards
Abiotic
Non living components of an ecosystem such as sunlight and water
Absolute poverty
An economic indicator which measures, for a given area, the number of people who live below a certain level of income.
Asian financial crisis
The Asian Financial Crisis saw the collapse of many Asian banks and the value of their stocks and shares in the late 1990s. Many countries were forced to restructure their economies and reduce their levels of debt.
Arid and semi-arid
Refer to conditions where rainfall is less than 250 mm and 500 mm of precipitation per year respectively.
Arête
A sharp ridge occurring between two corries/cirques or two glacial troughs.
Arable
Refers to land which can be used for the growing of crops.
Appropriate technology
Appropriate technology is seen as giving control of technology to individuals and communities at a local level rather than to the technocrats of large companies or governments; it is a people-centred technology.
AONB
Area of Outstanding Natural Beauty which operates in England and managed by Natural England on behalf of the UK government with the aim of conserving and enhancing the natural landscape.
Anticyclone
An area of high atmospheric pressure, characterised by descending air.
Anthropogenic
Caused by human activities.
Alpine
Found at high mountain altitudes.
Alien species
Alien species are those that have been introduced to a region, sometimes by accident and sometimes deliberately.
Albedo
A measure of reflectivity.
AIDS
A disease of the immune system (acquired immune deficiency syndrome).
Aid
Help in the form or Financial, personnel, loans, equipment and skills. Often referring to help given to developing nations.