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Midterm Study Guide

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University of Toronto Scarborough
Vanina Sztainbok

Session 1: Geography and the seven billion people question Population numbers exponentially increased since year 1 mainly due to more food and technology, industrial revolution World growth rate begins to decrease in 2000 Population Year 1 AD China and India most populated Population Year 1500 AD Spanish and Portuguese shipped to America and explored these regions and populated more in Southern America Population Year 1900 AD: o North America was now known because more people immigrated o Africa was shrinking because of slavery and colonization and health problems o Industrial revolution not only took place in Europe but also in North America Population Year 2000 AD: o Major population increase in South America o Population in Europe decreased due to WWI and WWII o The proportion of South Asia and East Asia didnt change at all over the last 2000 years, it is still one of the most populated areas in the world o Increase in population in Africa, especially in Northern parts of Africa o Interestingly, the European proportion of the world population has declined since 1900s where it was 15%, and in 1960 it was 11%, and in 2000 it was only 6% of world population Population Year 2050 AD: o Will be projected that there will be 9 billion people living on this Earth, 32% will be living in North, South Africa and South and East Asia o Growth will decline further Population Year 2300 AD: o 9 billion people o Population might not grow further than this o The most increase is projected in Africa, and South and Eastern Asia will remain the most populated areas in the world Life expectancy o Life expectancy is going up per person, and income is going up each year as well o Epidemics and war are two main factors why life expectancy decreased over the years World migration o Internal and international migration o At the moment, it is estimated nearly 190 million people, about three percent of the worlds population, lived outside their country of birth o US and Spain are among the countries that get the most migrants o Mexico and China are countries where most people are leaving World population density o Population density is not evenly distributed over the world, and not even in the countries o Consequences of this might be regional conflict Session 2: Malthus dawning: Are we too many? Theories and idea on how population growth will benefit or not benefit the world Ideas will follow us through most or all of lectures in future Current World Population More and more people are living on this planet www.notesolution.comWorld population growth rate However, the world population growth rate is declining We will become less more over the years World population growth rate = surplus of population in comparison to years in time Population growth rate = pop t2 pop t0 pop t1 World population throughout history We will get less more on this planet Is this a benefit or catastrophe? Population densities 2010 Population density = total population area Canada has the least dense population among these countries Although there are other countries that are really rich (i.e. Netherlands), they deal with more people, so its one of the most highly dense country in the world India is big country and quite a lot of people per square kilometres live The media covers this topic on a daily basis food prices to rocket as population explodes We were concerned about population growth in 1970s and 80s, and we should still be concerned nowadays Malthus prophecy There are other theories out there that state the world cant hold that many people anymore When Malthus made his prophecy, there were about 3 billion people worldwide and he was concerned about this state especially when he looked at the food production and the technologies out there to cater these populations Malthus thought in late 18 century that these two statements he made were fixed laws of nature: 1. People have to eat fixed law 2. We like to procreate and have sex and get children Malthus prophecy (contd) Geometrical ratio = population is increasing exponentially Arithmetical ratio = population would increase in a linear way Growth of food will grow in a linear way Population growth will increase exponentially Where growth of food and population growth meets = carrying capacity (when population growth will be higher than production of food, which will be final stage of population growth and there will not be any growth further than that) Cornucopians These people think there is no limit to growth, and resources will be there for people on Earth These people are called Cornucopians according to Greek term, which defines plenty of food heshe needs Population doctrines These are at the moment the most powerful ones Doctrine = qualified collection of thinking, not a theory as such because it doesnt have to be scientific Most well known book of genesis food needed to be multiplied o Positive population doctrines applied about 1300 BC Confucius population growth is good, but governments should balance on population and resources o He might have experience some cases where there are overpopulation and the resources (food) wasnt enough for those people, but he thought there may be food in the future Plato population quality is more important than quantity o Emphasis should be on population stability
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