The amount
of individuals in a society is crucial to understand the future of a society
the same as their location that determines how they separate and divide the
social class. To start to understand the population is their change, which have
been explained by Malthusian and demographic transition. Without controlling
population the cities evolve. There is also an urban ecology and city life.
To start
measuring the population change the birth
rate composed of the amount of live births divided by the total births
times a thousand, this depends on the fertility
and the fecundity. Death rate depends on the amount of
deaths divided by the total population times a thousand that is made by infant
mortality and the expectancy. Migration
rate is made of the number of people that enter a country. When combined
that gives the growth rate. Some countries
have an exponential growth that doubles others stay the same in the worst case
it decreases. Malthusian created a theory that dictates there will always be famine
and a poor class because of the over population. The transition theory instead believes
that for a society will improve its population growth after a 50 years with a
good health care.
Many governments
have notices that their population has a harmful change that has to be controlled.
Many have an over population creating a need for family planning this can lead
to a financial improvement caused by the lack of having to pay for more
children than what they can handle. Other countries like Russia instead try to
make people to have more children. As cities depend on location and number of
individuals many cities before
industries were near bodies of water that could provide for the people. Now the
new cities are around the preindustrial cities and use other methods to obtain water
and no longer depend on the body of water.
Urban ecology
is the study of the interactions in urban areas that have divided the types of
city structures. Concentric zone were the work is in the sector and in the
outer layers there is the wealthier class. Sector model has work in the middle
but the residential can varies. The multiple nuclei model is instead a mess
with different areas and locations that do not always work. There are three
theories of how to explain the social life. Urban anomie were people fight because of the small and compacted society,
cosmopolitan were people can actually
work together and subculture were
people join based on common interest.
The population of an area is never
constant of peaceful because of how the social structure based on the economy
alters values and ideals. People need to reproduce to maintain the human race
but the poor class is the one that ensures low prices which in term causes them
to have more children to share the burden even when it only creates more poverty.
We need change. Change only happens when people want and understand the change
that is needed.
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