factors affecting population growth slideshare

Easy to follow video on the factors that affect population size and growth. factors affecting growth factors affecting bacterial growth temperature nutrient availability water supply oxygen supply acidity of the medium 31. Factors that affect the growth of Populations. In general, population growth roughly follows one of these trends: Logistic growth leveling out at some carrying capacity. (birth rate + immigration rate) – (death rate + emigration rate) = population growth rate. It is the average number of the children born in a country compared to the rest of the population. The population growth of any animal, if left uncontrolled can become burdensome. Increase in population is directly related to birth rate of the country. Microbes may also be facultative for specific factors, which means they are able to tolerate an environment with or without specific properties. The factors affecting per capita income in relation to population growth equally apply to the standard of living. POPULATION MOVEMENTS Migration – permanent change of residence of a person or group. Physical Factors: Physical factors that affect population distribution include altitude and latitude, relief, climate, soils, vegetation, water and location of mineral and energy resources. Population growth rate = (birth rate + immigration) - (death rate + emigration) If you continue browsing the site, you agree to the use of cookies on this website. b) Nutrition levels Pressure 6. For instance the population in the developed countries like Europe and America is growing at rate of only 0.1% per year while in developing countries the growth rate is over 1.5% per year. Oxygen Requirements 5. Health Details: These factors include population growth, health consciousness and career attitudes.This is the most important factor to be analyzed for the project. The most noticeable example of this is the one-child policy in China. If fertility is high, population will increase. Since 1951, it has been taking place after every decade. There are just three sources of change in population size —1. The concept is commonly used in insect population ecology or management to determine how environmental factors affect the rate at which pest populations increase. It is often important to restrict immigration to protect national social balance. 1. Solutes and Water Acidity 2. The main biotic factors that affect population growth include: Food – both the quantity and the quality of food are important. Migration is the movement of people in to and out of the country. Historical reasons. Some countries discourage child birth Use the information to create a clear, visually appealing mind-map showing the physical and human factors affecting population density. Factors affecting population growth. But there are many factors that affect economic development. Also, all these people are unevenly distributed across 3.28 million square kilometers of our geographical area. What factors limit population sizes? See our User Agreement and Privacy Policy. Factor # 1. We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. ... Population growth rate based on birth and death rates. What is population "growth"? Food Shortage If there are more people, more food supply is needed. 17. In other words, it is the number of births for every 1000 people in the country. Overshoot ("boom" and "bust" cycles). New Tutorial Added: Price Controls – Minimum and Maximum Price, New Topics Added under A level Unit 2 – The price system and the micro economy, New Tutorial Added: Joint demand and alternative demand, Tutorial Added: Equilibrium and Disequilibrium in the market. For most people, this would include family, friends, co-workers, and strangers. Bacterial Growth and Factors Affecting Growth of Bacteria With respect to humans, the term growth refers to an increase in size; for example, going from a tiny newborn baby to a large adult. Reasons for Differences in Development . The increase in population leads to an increased demand for food products, clothes, houses etc., but their supply cannot be increased due to the lack of … POPULATION MOVEMENTS 12. Therefore, all of the people you encounter each day are part of your population. Furthermore, about half of t… Logistic growth versus exponential growth. The population of India was around 361 million during the census of 1951. Factors affecting death rate of a country According to the 2001 Census, Uttar Pradesh is the highest populated state in India with a total number of 166 million people. However, there are specific factors that we can discuss. 1800 years ago there were 750 cities with more than 5000 inhabitants and 45 with more than 100000 inhabitants. Most of the countries restrict immigration and emigration The most important reason is that countries want to encourage skilled workers rather than unskilled workers. ; Population growth is based on four fundamental factors: birth rate, death rate, immigration, and emigration. f) Poverty Levels – Even though bringing up children could cost more, a poor family may opt to have more children as they it could give more working hands for the family later. FACTORS AFFECTING GROWTH AND DEVELOPMENT HEREDITY OR GENETIC FACTORS : ▶ The heredity of a man and women determined that of a children. Temperature 3. pH 4. Factors affecting Population Growth RatesPopulation growth depends on rates ofbirth, death, immigration, and emigration. The growth of a population may be limited by environmental factors such as food supply or predation. When there is food shortage, this means there is not enough food supply to sustain the needs of the people Panic Buying Hoarding Prices of commodities also go up 13. Population explosion is not only a problem in India, but all over the world. Temperature Theoretically, bacteria can grow at all temperatures between the freezing point of water and the temperature at which protein or protoplasm coagulates. Factors affecting birth rate of a country Solutes and Water Acidity: Water is one of the most essential requirements for life. Death rate is the number of people who die every year compared to 1000 people in the population. India, is the second most populous country in the world, while China is on the top. Farmers have noted, for many centuries, what the effects of an uncontrolled predator population can do to livestock. There are a variety of environmental factors that affect microbial growth. 2. Awareness campaigns for family planning are still going on in Maldives. More ebooks have been added to the ebooks section. What we might talk about as population size is actually population density, the number of individuals per unit area (or unit volume). There are now more than 28,000 cities with more than 5000 inhabitants and about 1000 with more than 100000 inhabitants. India’s population is 17 percent of the global population. A positive net immigration will increase the population, while the opposite decreases the population. f) Levels of infectious diseases Thus r is the maximum theoretical rate of increase of a population per individual – that is, the maximum population growth rate. In 1990’s and Early 2000’s, Maldives also tried to campaign for smaller family size and more organized family planning. e) Hygiene levels The fertility rate is typically measured by the number of children per one woman of child-bearing age. Fertility2. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The finished mind map should take at least a full page of your book and use colour and images as well as text. Therefore, population is an important factor of development. Clipping is a handy way to collect important slides you want to go back to later. One small change ; Colonization of was one big change that affected many countries. Affecting Population SizeHUMAN FACTORS Report of Jamaica Olazo 10. POPULATION:A group of individuals or items that share one or more characteristics from which data can be gathered and analyzed.POPULATION GROWTH: Change in population over a period of time.POPULATION GROWTH RATE: Factorial rate at which the number of individuals in a population increases.GROWTH RATIO = GROWTH RATE * 100. Increase in population is directly related to birth rate of the country. In previous lessons, we learned that ‘labour’ is one of the factors of production. FACTORS AFFECTING POPULATION GROWTH CGC1D ~ Canadian Geography Brainstorm: Population Growth What factors might cause a population to grow? ▶ Health history of parents is studied to determine the hereditary traits likely to exist in the children. c) Living standard Problems on Population Growth 1. The following points highlight the six main physical factors affecting the growth of microorganisms. c) Religious beliefs – there are many aspects to it. These factors include population growth health . Three important ones are population, conflict, and environment. 3. Once their natural prey run out, or are harder to find, the predators may turn to domesticated animals, despite the risks. South Africa's history changed the country and people's lives. Per capita population growth and exponential growth. Migration In countries like the United States (US), immigration plays an important role in the population increase. India’s population increased rapidly in the post independence period. See our Privacy Policy and User Agreement for details. If you're seeing this message, it means we're having trouble loading external resources on our website. Fertility rate of a population is the average number of children born to a woman in her life time. Population growth & its effect on environment, No public clipboards found for this slide. Among the natural resources, the land area and the quality of the soil, forest wealth, good river system, minerals and oil-resources, good and bracing climate, etc., are included. Now customize the name of a clipboard to store your clips. Given above are the main factors that affect population growth. While on the other hand, states like Sikkim and Lakshadweep have the lowest population of 0.5 million in Sikkim and only 60000 people in the island state of Lakshadweep. It reached over 1.34 billion now. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Death Rate, 3. Looks like you’ve clipped this slide to already. Change in population size = (births – deaths) + (immigrants – emigrants) Affect ing Population SizeHUMAN FACTORS 11. If the fertility rate is larger than 2, the rule of thumb is that the population should rise, as there are more children than their parents. 1. Carefully read the material above; you could research online to find additional detail/factors. Migration! Malaysia is a country which has popular tourist destinations and the major income which they gain is through the tourism industry. g) Typical age of marriage – the younger the age of marriage, the higher the possibility of having more children. Important things are, beliefs about contraception, beliefs about family size. Immigration is restricted by countries for many reasons. Oscillation at or below the carrying capacity. Uttar Pradesh (UP) is the most populated state of India and Sikkim is the least populated state. e) Economic prosperity – Even though richer families can afford to have more children, their style of life may actually reduce the number of children they want to have. Other examples of populations include the dandelion plants growing in a fiel… Countries may also want to restrict emigration to prevent brain-drain(a situation of skilled workers leaving the country). Populations include the dandelion plants growing in a fiel… What factors might cause a population is directly related birth! The average number of children per one woman of child-bearing age India with a total number of births for 1000! Restrict immigration to protect national social balance like the United States ( US ) immigration! Country ) has popular tourist destinations and the quality of food are important of. India, but all over the world, while China is on the factors that affect growth. 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