Population

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Flashcards by reaganw_, updated more than 1 year ago
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Flashcards on Population, created by reaganw_ on 10/18/2015.
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Question Answer
age distribution the distributions of age in a population.
carrying capacity the largest number of people that the environment of a particular area can support.
cohortdem a population group that's distinguished by a certain characteristic.
demographic equation equation that summarizes the amount of growth or decline in a population during a certain period of time, also taking into account net migration and natural increase.
demographic momentum this is the tendency for growing population to continue growing after a fertility decline because of their young age distribution.
demographic regions cape verde is in stage 2 (high growth), chile is in stage 3 (moderate growth), and denmark is in stage 4 (low growth). this is important because it shows how different parts of the world are in different stages of the demographic transition.
demographic transition model has 4 steps. Stage 1 is low growth (low stationary), Stage 2 is High Growth (early expanding), Stage 3 is Moderate Growth (late expanding), and Stage 4 is Low Growth (low stationary), and Stage 5 although not officially a stage is a possible stage that includes zero or negative population growth. This is important because this is the way our country and others countries around the world are transformed from a less developed country to a more developed country.
dependency ratio the largest number of people that the environment of a particular area can support.
diffusion of fertility control the diffusion of fertility control is spread throughout the world. In the U.S it's below 2.1 in much of Africa it is above 4, if South America is between 2 and 3, in Europe it is below 2.1, in China and Russia it is below 2.1, and in much of the Middle East it is above 4. This is important because its shows how many kids a mother is having thus helping to see where the countries are growing rapidly and where countries are leveling off.
disease diffusion there are two types, contagious and hierarchical. Hierarchical is along high density areas that spread from urban to rural areas. Contagious is spread through the density of people. This is important in determining how the disease spread so you can predict how it will spread.
doubling time time it takes for a country to double its population.
ecumene meeting place for the world's religions and ideologies.
epidemiological transition model stage 1: black plague, stage 2: cholera, stage 3: chronic disorders, 4: longer life expectancies. there is a distinct cause of death in each stage of the demographic transition model.
gendered space areas or regions designed for men or women.
infant mortality rate the annual number of infant deaths under age one compared with live births.
j- curve a growth curve that depicts exponential growth; shaped like a "J".
maladaptation this is an adaptation that has become less helpful than harmful. this relates to human geography because it has become less and less suitable and more of a problem or hindrance in its own right, as time goes on. which shows as the world changes so do the things surrounding it.
malthus, thomas was the first to argue that the rate of population increase is outrunning the development of food supplies.
mortality death rate in a population; the probability of dying.
natality the ratio of live births in an area to the population of that area.
neo- malthusian theory building upon malthus'. it takes into account population growth in LDC and outstripping of resources.
overpopulation when the population exceeds the capacity of the environment to support it at an acceptable standard of living.
population densities a measurement of the number of people per given unit of land.
population distributions the arrangement of a people across space. the main distributions are concentrated in asia and europe. globally, most people are found in the northern hemisphere, along coastal waterways.
population explosion growth of a population at exponential rates to a size that exceeds environmental carrying capacity; usually followed by a population crash.
population projection predicts the future population of an area or the world. helps predict future problems with population such as overpopulation or under population of a certain race or ethnicity.
population pyramid a country's population displayed by age and gender groups on a bar graph.
rate of natural increase the percentage by which a population grows in a year.
s- curve a curve that depicts logistic growth; shape of an "s".
sex ratio the number of males per hundred females.
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