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30 Cards in this Set
- Front
- Back
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Demography |
The study of population numbers, distribution, trends and issues |
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Census |
The process of collecting compiling, and publishing demographic economic and social data about all people living in a particular area |
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Developed Country |
A country with a highly developed economy and infrastructure and high living standards |
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Developing Country |
A country with a less sophisticated economy and lower standard of living than developed countries; may have extensive poverty |
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Crude Birth Rate |
The number of births per 1000 people in a country in a given year |
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Crude Death Rate |
The number of deaths per 1000 people in a country in a given year |
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Natural Increase |
The rate at which population increases or decreases in a year expressed as a percentage of the total population; calculated by subtracting the death rate from the birth rate |
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Rule of 70 |
The time it takes a country to double its population, approx 70 divided by the countries growth rate |
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Net migration rate |
The difference between the number of people immigrating to a country and the number of people emigrating |
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Population growth rate |
The rate at which a countries population increases or decreases; calculated by adding natural increase and net migration |
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Net migration rate |
The difference between the number of people immigrating to a country and the number of people emigrating |
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Population growth rate |
The rate at which a countries population increases or decreases; calculated by adding natural increase and net migration |
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Life expectancy |
The average number of years an individual is expected to live |
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Demographic transition model |
A model that shows changes in a populations birth and death rates and growth based on the technological development |
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Population pyramid |
A bar graph that shows male and female populations back to back at age intervals of five years |
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Dependancy ratio
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Dependancy ratio |
The proportion of the population that is being supported by the working age group (under 15 and over 65) |
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Population density |
The number of people living in a given area; calculated by dividing the population by its area |
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Nutritional density |
A measure of how much nutrition in calories can be produced from a certain area; an area with fertile soil andd adequate temperatures and precipitation will have a higer nutritional density than an area such as Canada's North
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Sustainable development |
A way to maintain economic growth without damaging the environment |
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Biosphere |
Regions of the earth occupied by living organisms, made up of all the ecozones |
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Ground water |
Water beneath earth's surface in underground streams and other forms |
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Ozone layer |
A thin layer of ozone in the atmosphere 15-30 kilometres above earth; the ozone layer filters the suns ultraviolet (UV) rays |
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Aquifers |
An underground layer of rock, gravel, etc from which water can be drawn for wells and which is a source of springs |
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Biodiversity |
Having a variety of life forms |
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Desertification |
The spread of desert-like conditions in an area, sometimes caused by human activity |
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Desertification |
The spread of desert-like conditions in an area, sometimes caused by human activity |
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Ecotourism |
Tourism to threatened area that tries to be low-impacts and small-scale |
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Globalization |
A process by which the regions and countries of the world are becoming economically and culturally interconnected |
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Stewardship |
Careful management of resources to ensure that they are sustainable |
