Population Flashcards
(21 cards)
Crude birth rate
Number of live births per 1000 population in a given year.
Natural change
The difference between number if births and number of deaths in a country/region.
Fertility rate
Number of live births per 1000 women aged 15-49 in a given year.
Total fertility rate
The average number of children that would be born alive to a woman during her lifetime if she were to pass through her child bearing years conforming to the age specific fertility rates of a given year.
Replacement level fertility
The level at which those in each generation have just enough children to replace themselves in the population.
What is the replacement level?
2.1
Crude death rate
Number of deaths per 1000 population in a given year
Infant mortality rate
Number of deaths of infants under 1 year of age per 1000 live births in a given year
Life expectancy (at birth)
The average number of years a person may expect to live when born, assuming past trends continue.
Child mortality rate
Number of children who die before their 5th birthday per 1000 live births
Maternal mortality
Death of a woman during or shortly after pregnancy
Carrying capacity
The largest population that the resources of a given environment can support
Biocapacity
The capacity of an area or ecosystem to generate an ongoing supply of resources and to absorbs its wastes
Ecological footprint
Sustainability indicator that expresses relationship between population and natural environment. Takes into account use of natural resources by a country’s population.
What is an ecological footprint measured in?
Global hectares
Carbon footprint
The total a set of GHG emissions caused directly and indirectly by an individual, organisation, event or product.
Green revolution
Introduction of high yielding seeds and modern agricultural techniques in developing countries
Optimum Population
One that achieves a given aim in the most satisfactory way
Economic optimum
Level of population that produces the highest average standard of living (through production of goods and services).
Underpopulated
Too few oriole in an area to use resources available efficiently
Overpopulated
Too many people in an area relative to the resources and level fo technology available
