Population (Unit 2) Flashcards
What are population clusters?
densely populated areas
What is Ecumene?
the portion of the earth’s surface occupied by permanent human settlement
Arithmetic Density
Total number of people/ Total land area
Physiological Density
The total number of people / Arable (plantable) land area
Agricultural Density
Number of farmers/ arable land
The Malthusian Model
Population Theory: human population will increase rapidly, then die out and increase rapidly again (The Cycle of Misery)
Demographic Transition Theory
Human population goes through 5 phases: 1 (high BR + high DR), 2 (high BR + rapidly falling DR), 3 (Falling BR + Falling more slowly DR), 4 (low BR + low DR), and 5 (very low BR + low DR)
NIR
Natural Increase Rate (birth rate-death rate/10)
What is migration?
Migration is an ancient human characteristic. It proceeds in generational steps and fits into geographic patterns. Most migration today is economically motivated.
Push factors of migration
War, violence, famine, cultural/religious suppression, natural disaster, poverty, disease
Pull factors of migration
safety, opportunity, freedom, healthcare, family, education, living conditions
Refugee
A person who has been forced to leave a country to escape war, prosecution, or natural disaster
Internally displaced person
A person who has been forced to leave their home but has not crossed national borders
Asylee
A person who is seeking asylum in a country. Asylum is protection, or the right to stay in a new country because it is unsafe to return to a country of origin. The reasons that asylum is granted may go beyond those that qualify refugee status.
The right of political asylum
The right of those who are persecuted by their own country to be protected by another country
