They cover about 140,000 square kilometres of boreal forest and muskeg, largely in the Athabasca River basin. cannot be ignored in influencing population growth. Lecture # 1 21st April, 2010 INTRODUCTION Rapid growth of world population over past 100 years. Environmental problems are to be expected in an industrial society, but severe environmental problems are dysfunctional. At the same time, he was of the view that with the increase in density the death rate will increase and consequently, to compensate for the loss of population the fertility rate also increases. If the per capita income is raised above the subsistence equilibrium position, the mortality rate falls without any drop in the fertility rate. And when density increases, the capacity to produce children goes down and thus with the increase in density, the fertility rate declines. 7 Population Learning Objectives Introduction Society and population Population factors and social structure History and theory of population growth Demography Population control Causes of population growth Population explosion Population distribution ⦠- Selection from Sociology for nurses, 2nd Edition [Book] The Population Explosion On October 31, 2011 (+/- 6 months), the world saw its 7 billionth human being born. 0000006841 00000 n
This population pyramid shows the breakdown of the 2010 U.S. population according to age and sex. The curves S and P depict security utility and productive utility respectively which decline as the per capita income increases. Power is the ability of individuals or groups to carry out their will even when opposed by others. Various Classical Theoretical Perspectives on power. Human Population. Moreover, the fertility rate decreases with the increase in the density of population. According to him, the fertility rates can be reduced only if more attention is paid to grow more food crops than commercial crops which are made available to the poor people. Most of the flat chested girls who survive their high- pressure education are incompetent to do this. The population composition includes the sex ratio, the number of men for every hundred women, as well as the population pyramid, a picture of population distribution by sex and age. (iv) The genesis will be high when the individuation is low. An overfed plant can be revived only when the plants are depleted either by ringing the bark or by extreme lopping or the trenching of the roots. 0000000914 00000 n
Sadler’s view that with industrialization the population decreases has not been proved true. According to Castro, balanced food is not available to the poor and therefore poor people are always getting less protein in food which results in sluggish liver function. Lastly, the occupational distribution effect adds to the direct and indirect costs of an additional child. 4. There are three types of benefits or utilities which parents derive from an additional child. As in this present scenario also excessive growth and increment in population will eventually going to led bad consequences. Moti Bagh-I, New Delhi Principal and Group Leader Mr. Leibenstein explains these three effects in relation to the utilities and costs during the process of economic development. There is no guarantee that with the decline in the birth rate, population would start decreasing as per capita income increases in underdeveloped countries. Again when the children become rich, they will restrict their families and their wealth will be gained once again by the poor. He said that the fecundity of human beings is in the inverse ratio of the condensation of their numbers. Oye is thus the critical minimum per capita income level which can sustain itself and generate the process of sustained economic development. As the industrial reserve army expands, the capitalists start adopting labour-saving machines in order to increase the surplus value and hence profits. In the intermediate stage, Quillard’s principle of population applies. On the contrary, instead of concentrating more on the increase of food production, imperial powers have concentrated on the purchase of raw materials and food supplies at low rates and finished products have been sold out at high rates in their colonies. According to Dumont, there are three principles of population that are related to the stages of social development: 1. The policy of reservation in India or The backward class movement. The consumption utility curve is assumed as constant because it is independent of the family per capita income. These expenses are incurred by parents till the child starts earning and become self-supporting. Susan K. Brown, Cluster Coordinator. As enough opportunity for social capillarity is not available in a socialist society, Dumont believes that socialism leads to the destruction of social capillarity. So it is not applicable to underdeveloped societies. Lack of spatial mobility means potential loss of income. SOCIOLOGY AND POPULATION PPT ... Population Explosion Explanation and Consequence s ANTHROPOLOGY SOCIOLOGY. 1. But experiences has shown that even in such an income group the number has always been increasing. Moreover, Doubleday also observes that high fertility has been found in those persons who are vegetarians, or who eat more rice or whose staple diet is rich, whereas fertility will be low in non-vegetarian persons. The fatness increases with the protein rich diet, which leads to lower fertility. SOCIOLOGY AND POPULATION PPT - Free ebook download as Powerpoint Presentation (.ppt), PDF File (.pdf), Text File (.txt) or view presentation slides online. Labour-power is like any other commodity. Sadler failed to distinguish between fecundity and fertility. Herbert Spencerâs Biological Theory 5. Spencer believed that if population increases we get more manpower through which natural resources can be exploited and the socio-economic and cultural standards of the people can be raised. 0000031653 00000 n
According to him, the problem of population arises only in a capitalist society which fails to provide jobs to all workers because the supply of labour is more than its demand. Thus, an increase in per capita income tends to raise the growth rate of population. 2. The petroleum is in the form of crude bitumen, which is a dense, tar-like substance mixed with sand and clay. The Alberta tar sands (or bituminous sands) in the northeast of the province have been recognized as an important petroleum resource since the 19th century when the first extensive surveys were made. However, factors like agriculture based economy, social, religious or cultural structure of the society, education, existence of joint family system, marriage at early age, etc. On what they can find, they increase in geometrical progression. Rather, fertility may be affected by the preventive checks of various kinds, while fecundity remains unchanged.”. 0000022342 00000 n
Population explosion or overpopulation denotes a situation in which the number of people living in a country rapidly exceeds its carrying or sustaining capabilities. 0000006672 00000 n
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