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Showing posts with the label Population Geography

Under,Optimum and Over Population

Optimum Population Given the natural resources, stock of capital and the state of technical knowledge, there will be a definite size of population with the per capita income. The population which has the highest per capita income is known as optimum population.Standard of living is maximum Under Population If the actual population in a country is less than the optimum or ideal population, there will not be enough people to exploit all the resources of the country fully. Thus, the population and the per capita income will be lower. In other words, if the per capita income is low due to too few people, the population is then under population.Brazil and central asia is considered under-populated today based on present technology. OverPopulation If the actual population is above the level of optimum population, there will be too many people to work efficiently which results in diminishing returns.. As a result, the per capita income becomes lesser than before. This is t...

Migration

Q.Critically examine the theories on Population migration(15/15) Q. Write short note on Impact of migration on urban demography.(12/12) Q. Discuss the causes and consequences of population migration in the world.( 60/00) Q. Examine the cause of international Migration of the last 50 years or so and the socio- economic and political problems generated by them(60/90). Migration is generally defined as the permanent or semi permanent change of residence of an individual or group of people over significant distance. Ravenstein Theory First scholar to formulate laws of migration was Ravenstein  who based is generalization on empirical studies of population movement in Britain ,United States and some of the countries of north west Europe  in late 19th century. Majority of migrants go only a short distance Migration proceeds step by step Long distance migration is towards great centres of Commerce and industry Each current of migration produces a ...

Theories on population growth

Q. Discuss the social and economic theories of population growth.(60/08). Q. Examine theories about population control and explain the relative merits of these theories in limiting population growth.(60/95) Q. Write short note on demographic transition.(20/86) Malthus Theory Malthus is the earliest propounder of the demographic theory. He was a humanitarian and economist who wanted to warn the European society from a possible food crisis which may occur if population growth disproportionately to the carrying capacity of the food POSTULATES Man has two Basic Instinct Passion for food because it is basic Instinct for survival, growth and longevity. Passion for sex which is Basic Instinct for propagation Food production grows with arithmetic rate while  population grows with geometrical rate. Thus,food crisis Grows with time. After 200 years the ratio between food and population would grow so low  that great human catastrophe could occur ...