History of population growth in nigeria when nigeria declared its independence, it was a relatively small population country with only 45. Population of our earth was 1 billion, taking all the history of human beings to achieve this mark. Following are the main effects of population explosion. It has given birth to multidimensional problems across the globe. Finally, the paper outlines the debate about the consequences of the population explosion, involving poverty and food security, the impact on the natural environment, and migration flows. I have also mentioned indicator species and have included a homework sheet based on lichens. The negative effects of rapid population growth appear to have weighed most heavily on the poorest group of countries in the developing world during the 1980s and also throughout. Advanced knowledge of population explosion and birth control. In more scientific terms, there is overshoot when the ecological footprint of a human population in a geographical area exceeds that places carrying capacity, damaging the environment faster than it can be repaired by nature. The population in india is increasing at an alarming rate, as a result of which india still remains a poor country. It is often the negative effects, such as overcrowding, food and supply shortages and environmental damage that. Too much population is not good for economic development.
The effect of the population explosion teaching resources. The effect of population growth on the environment. In more scientific terms, there is overshoot when the ecological footprint of a human population in a geographical area exceeds that places carrying capacity, damaging the environment faster than it can be repaired. Population belt hindi belt india population, fertility in rural areas is 3. The consequences of such an event are severe and major. The effects of population growth on the physical environment. Aldous huxley predicted in 1958 that democracy is threatened due to overpopulation and could give rise to totalitarian style. The population explosion vividly describes how the earths population, growing by 95 million people a year, is rapidly depleting the planets resources, resulting in famine, global warming, acid rain, and other major problems. This adversely affects the growth rate of the economy. Pimentel introduction a h e a l t h y and prudently managed environment is a major benefit to humans and other species. Describe demographic theoretical models of population change and provide key case studies.
One of the benefits of a surging population growth means that the country can conscript more people into its armed forces and should be in a better position to protect itself. The cause of, first, the acceleration and, then, the deceleration in population growth is the modern demographic transition. Dwindling resources with an increasing number of people, resources are getting depleted slowly as few of them are nonrenewable resources. But after two centuries, the population of this planet reached to 6 billion, with half of this population being living in urban areas. Describe key terms to understand population and demographic studies. Sudden, large increases in students crowd school facilities and strain budgets. Population explosion essay meaning, causes, and effects.
The effects of population explosion in india are as follows. Positive and negative effects of population growth essay. The negative effects of rapid population growth appear to have weighed most heavily on the poorest group of countries in the developing world during the 1980s. It is well quoted that ati sarvatra varyet that means excess of anything is bad. According to the data from the nigeria health watch, nigeria had a 300% increase rate in the last 56 years. Effects of population explosion in nigeria some of the effects of population explosion on families include poor educational attainment for the children, decline in standard of living, and increase in cost of living, increased family stress especially on the bread winner, malnutrition, health problems, overcrowding, and increase in crime rate. Positive and negative impact of population growth pros. Rapid population growth in rural areas has confronted rural communities and particularly rural educational systems with a number of problems. By the turn of the millennium, the dominant narrative had shifted from worries over too many people to worries over too few people, highlighting the global divergence between negative european population trends and those of less developed states still. Apr 02, 2020 the effects of population growth are varied and vast. It leads to the cutting of forests for cultivation leading to several environmental change. Population explosion refers to the rapid and dramatic rise in world population that has occurred over the last few hundred years. Advanced knowledge of population explosion and birth.
In order to achieve a given rate of increase in per capita income, larger investment is needed. Impacts of population growth, economic development, and technical. Unemployment problems of serious dimension both in urban and rural areas leading to. Population explosion may lead to overpopulation, i. Possible effects of explosions on humans include blastwave overpressure effects, explosion wind effects, impact from fragments and debris, collapse of buildings, and heatradiation effects.
In general, population growth is driven by a higher birth rate than death rate, though several smaller factors impact that ratio comparison. A drastic growth in population beyond normal limits is called population explosion. As population growth accelerates, human demand for space and resources increases. Dec 06, 2016 overpopulation will place great demands on resources and land, leading to widespread environmental issues in addition to impacting global economies and standards of living. In such cases, a large population is seen packed into a smaller space. The effect of the population explosion share my lesson. Somewhere around 1990, the mood in europe turned against limiting population growth. As in this present scenario also excessive growth and increment in population will eventually going to led bad consequences. Positive effects of population growth the classroom. Impact of a growing population on natural resources.
Effects and causes of overpopulation in nigeria includes abstract and chapter one, complete project material available effects and causes of overpopulation in nigeria abstract this research work was designed to find out the causes and effect of overpopulation in nigerian. The effects of population growth are varied and vast. India is the second most populous country of the world with 1 billion people. Population growth global population growth year population in billions 1700 0. While projected income changes have the highest partial impact on per capita food consumption levels, population growth leads to the highest increase in total. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Adam and eve were turned out of eden with curse, go forth and multiply the curse is still at work and now this multiplication of men and women has assumed the form of population explosion. The population density of india is as high as 416 people per square kilometre which ranks 31st in the world. Start the discussion today with the notion of sustainability. Population growth is essential for creating a strong base of highincome workers. Every 2 second 10 babies born 1 billion population in 15 years. The implications of population growth differ con siderably among developing countries.
The issue is compounded by the difficulty in providing solutions for this problem and misunderstanding of the causes and effects of overpopulation. The paper examines the link between population and per capita economic growth, and poverty, using the interesting case study of uganda. According to a research, the last two centuries witnessed population explosion with the number increasing from 1 billion in the year 1800 to 7. Population may be considered positive hindrance in the way of economic development of a country. Apr 17, 2020 population explosion is a bigger problem than it seems. The sole cause is the limited number of resources with the overgrowing population.
Holdren the interlocking crises in popula tion, resources, and environment have been the focus of countless papers, dozens of prestigious symposia, and a. Ehrlich october 22, 2019 9 comments download as pdf. The impact of population growth on economic growth and. Two general schools of thought surround the perceived effects of population growth. This highly visual handson activity illustrates various environmental, ecological and evolutionary concepts from which students should be able to deduce various implications of increasing population growth. This unprecedented growth of human population at an alarming rate is referred to as population explosion.
The powerpoint population explosion contains all the information needed and notes to explain activities. One of the largest environmental effects of human population growth is the problem of global warming. In a capital poor and technologically backward country, growth of population reduces output by lowering the per capita availability of capital. While population growth, of any species, may be beneficial to a certain extent, there may come a time when the number in the population exceeds the natural resources available to sustain it. Identify and analyze other exogenous factors perpetuating mitigating the effects. Population growth and population policy is population a. Things to be learned population growth, variations among nations population explosion family welfare program environment and human health human rights value education women and child welfare role of information technology in environment case studies mr. Human overpopulation or population overshoot is when there are too many people for the environment to sustain with food, drinkable water, breathable air, etc. Outline past changes in population growth and future population projections. All life on earth obtains its food and other necessities from this environment.
When birth rates decrease, the strain on younger workers can be immense. Population growth and population policy is population a problem. Besides all this, the increasing population growth leads to the migration of. As population densities increase, laws, which serve as a primary social mediator of relations between people, will more frequently regulate interactions between humans and develop a need for more rules and restrictions to regulate these interactions. China, for example, has a relatively low per capita income, but its large population gives it tremendous influence.
What are some positive effects of population growth. Pdf the rapid increase of human population is putting an incredible strain on our environment. The population explosion explores the effects of increasing plant population density on growth, development and reproduction. A large proportion of this population favours and is living in the rapidly expanding urban area, presently estimated at over 45. Population explosion and environmental impacts overpopulation. Population and the environment the impact of population growth on economic development is a complex issue. Thomas malthus theorized in 1798 that too much population growth too fast would overtax the earths resources and eventually lead to disease, starvation and death. Possible effects of explosions on humans include blastwave overpressure effects, explosionwind effects, impact from fragments and debris, collapse of buildings, and heatradiation effects. This rapid growth in the human population has significant effects on the physical environment by generating pollution, influencing climate change and threatening species diversity. What are the causes and effects of population growth. If the current growth rates continue, it will have 1. Causes and effects of population explosion in nigeria.
Consequences of overpopulation definition decreased availability of food and clothing. March 11, 2008 issue twenty shortly after the end of world war two, visionary conservationists and scientists such as fairfield osborn began to warn that continued human population growth would cause all kinds of problems including heightened. Human overpopulation problems are not limited to society to alone. The different values, attitudes, and orientations toward education of the newcomers act as a catalyst for changes and can cause conflict within the.
In carrying out this research, the researcher visited some areas in. Impact of population growth complacency concerning this component of mans predicament is unjustified and counterproductive. Overpopulation will place great demands on resources and land, leading to widespread environmental issues in addition to impacting global economies and standards of living. This lesson looks at the effect of the human population growth on land. The human population explosion and the future of life the rewilding institute. Explosion effects are commonly separated into a number of classes. The educational effects of rapid rural population growth. No comments on positive and negative effects of population growth here, population growth refers to the increase in the number of individuals across the world. As might be imagined population growth has positive and negative effects on development. It is an unchecked growth of human population caused as a result of. This lesson looks at the effect of the human population growth on land, resources and pollution. Essay on population explosion in world the college study. Jan 05, 20 population of our earth was 1 billion, taking all the history of human beings to achieve this mark.