Human Population Flashcards
Human population growth is
a social dilemma. Individual(s) (groups) are reaching for the same goal.
In the narrow view best of if people follow their own interest.
In the broad view best of when following the group’s interest.
(Tragedy of the commens?)
The last billion people
came on the planet the last 12 years
The population growth rate
appears to be declining, but there is still positive population growth
Population … and … have never been as …
size
growth rate
high
Population growth is based on 3 components
1) Fertility rate
2) Mortality rate
3) migration
How can population grow while fertility is below replacement level?
People will still have children, but also stay in the system. With the high life expectancy population will keep on increasing until the bulk dies.
Framework with perspectives on human behaviour
external vs internal and individual vs collective
- internal collective
- internal individual
- external collective
- external individual
crude birth rate
number of births per 1000 persons in one year
CBR
Crude birth rate
CDR
crude death rate
Crude death rate
number of deaths per 1000 persons in one year
population growth is modeled with
- # of women of fertile age
- fertility rate
TFR
total fertility rate
Total fertility rate
of children a women will have, depending on socio-economic circumstances like birth control and education
DALY
disability adjusted life years
