population explosion.pptx
- 2. INTRODUCTION India is the second most populous country of the world. POPULATION EXPLOSION literally mean ‘a sudden ,large increase in size and number of population’. The current population of india is 1.41 billion approx. India is 2nd most populous country after china.
- 3. DEFINITION POPULATION= Population is defined as the group of organism of same species occupying a particular space. POPULATION EXPLOSION= Population explosion is rapid growth of worlds population over past one hundred years result from difference between birth rate and death rate.
- 4. CAUSES Increase in birth rate. Decrease in death rate. Increased immigration. Decrease in infant mortality rate. Better medical facility. Illiteracy
- 5. IMPACT OF POPULATION EXPLOSION Air pollution Water pollution Increase in food demands Deforestation Unemployment Poverty Increase in crime rates Sewage disposal and sanitation
- 7. THEORY OF POPULATION EXPLOSION MALTHUSIANTHEORY OF POPULATION GROWTH The theory was proposed byThomas Robert Malthus. It explains that population grows in geometrical fashion.it would be double in 25 years at this rate. However, the food supply grows in an arithematic progression. Food progression increase at a slower rate than population.
- 8. CHECKS ON POPULATION People will die due to lack of food supply . adversities such as epidemics ,starvation , famines and other natural calamities will crop up which are named as positive checks by Malthus. On the contrary, there are man made checks known as preventive checks.
- 9. POSITIVE CHECKS Famine Earthquakes Foods Wars Epidemics Late marriage Self control Simple living PREVENTIVE CHECKS
- 10. MARXIST THEORY ON POPULATION GROWTH Karl Marx was a philosopher and the founder of modern communism. According to him: 》There can be no natural or universal law of population 》Population growth is related to economic system and both are inseparable 》To Marx poverty and unemployment were not due to increased population ,but due to capitalist system which failed to provide jobs.
- 11. POPULATION CONTROL SOCIAL MEASURES: 1}Minimum age of marriage 2} Child marriage restrain act of 1978 3}Raising the status of women 4}Educational development 5}Adoption 6}Social security 7}Political development
- 12. ECONOMIC MEASURES: 1} More employment and oppurtunities 2} Development of agriculture and industry 3}Standard of living 4}Urbanization OTHER MEASURES: 1} Late marriages 2}Self control 3}Recreational facilites 4}Publicity 5}Family planning
- 14. PURPOSE OF NATIONAL POPULATION CONTROL PROGRAMMES To obtain an accurate picture of the factors which contribute to a rwiuapid increase in population. to gain full understanding of human fertility and means of regulating it. to devise speedy ways of educating public. to make family planning counselling an intergral part of service in hospital and heath centres. Less overcrowding especially in coastal areas.
- 15. POPULATION CONTROL PROGRAMME: NATIONAL POPULATION POLICY 2000 NATIONAL FAMILYWELFARE PROGRAMME 1951 POST PARTUM PROGRAMME 1969 NATIONAL POPULATION COMISSION 2005
- 16. SUMMARY