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Population dynamics - Coggle Diagram
Population dynamics
population density
no. of people living per square km
population density=population/area
thickly populated
moderately populated
uninhabitant
estimated-50 people/sq.km
factors
relief
climate
soil and water
natural resource
urbanisation
properties
size and density
age structure
migration
mortility
fertility
spatial disturbution
overpopulation
increase in birthrate
less deaths
migration
impact
pressure on existing resource
shortage of daily needs
unemployment
destruction of natural resources
increase in human disease
increase in cost of living
underpopulation
increase in mortility
decrease in fertility
emmigration
impacts
positive impacts
high quality of life style
enough resource
no congestion
less pollution
more opportunities
more income levels
negetive impacts
resource are underutilised
production is less
factors
birthrate
crude birth rate=BI/P*1000
death rate
crude birth rate=D/P*1000
migration
composition
sex ratio
SR=FP/MP*1000
rural-urban composition
age
children-0-15 yrs
adult-15-59
aged-59+
population pyramid
underdevloped
broad at base
narrow at top
devloping
broad at base
steeper at top
devloped
narrow base
broad top
least and most
continent
least-antartica
most-asia
country
least-vatican city
most-china