About This Chapter
Overpopulation and Population Trends - Chapter Summary
This chapter reviews some key influences behind mortality rate decline and acceleration and also looks at the many ways migration can affect population. In another lesson your memory will be refreshed on the formula for population growth rate, the Malthusian theory, and the demographic transition model. The additional population considerations in this chapter include:
- Carrying capacity and global population differences
- History of migration from rural to urban settings in Europe and the U.S.
- Gemeinschaft, gesellschaft, gentrification and the concentric zone model
The main themes in each text lesson are indicated with bold print, and some text lessons also contain terms that are linked to supplemental text. Video tags provide an easy way to navigate the video lessons as you see fit during your review. This chapter also features a multiple-choice practice quiz with each lesson that allows you to double-check your familiarity before going to the next lesson in the lineup.
1. Global Population Issues, Concerns & Politics
The following lesson will cover the issue of global population trends and the resulting concerns. We'll explore concepts like carrying capacity, how developed and developing countries differ, and how some cultures and governments affect this issue.
2. Migration from Rural to Urban Settings in Europe and the U.S.: History and Effects
In this lesson, we will discuss some of the causes for people to migrate from a rural setting to an urban setting in Europe and in America. We will also learn the difference between immigration and emigration.
3. Historical Growth of Cities: Gemeinschaft, Gesellschaft, Gentrification & the Concentric Zone Model
In this lesson, we will discuss the contributions to classifying social change of two social scientists: Ferdinand Tonnies and Ernest W. Burgess. We will study concepts that include gemeinschaft, gesellschaft and gentrification.
4. Population Growth: Demographic Transition and Malthusian Theories
Population growth is not as simple as watching the total number of humans rise each year. This lesson explores how the experts actually calculate population growth rates, and how different theories explain why various regions of the world experience population growth changes in such different ways.
5. Demographic Changes from Fertility and Birthrates
Demographers focus on specific indicators of change in human populations. Two of the most important indicators are birth and death rates, or fertility and mortality. In this lesson, we will discuss the definitions of demography, fertility and mortality and their impact on a population.
6. Population Change from Aging, Death, and Migration
Fertility, mortality and migration are principal determinants of how a population can change, and they are at the very core of demographic studies. In this lesson, we will discuss how a population can change from fertility (birth), mortality (death), and migration.
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