chapter 2 & 3 Flashcards

1
Q

Ecumene

A

the portion of the earths surface occupied by permanent human settlement

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2
Q

non-ecumene

A

the portion of the earths surface that isn’t permanently occupied by human settlement.

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3
Q

four sparsely populated lands and why?

A

dry lands: to hot and dry for farming

wet lands: too wet and hot soil. nutrients are taken away. no good for farming

cold lands: too cold for crops and animals to survive

high lands: temperatures and precipitation is too low

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4
Q

arithmetic density

A

total number of objects in and area

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5
Q

physiological density

A

the number of people supported by a unit area of arable land

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6
Q

what occurs the higher the rate of physiological density

A

more pressure that people may place on the land to produce enough food

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7
Q

agricultural density

A

ratio of te number of farmers to the amount of arable land

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8
Q

CBR

A

total number of live births in a year for every 1,000

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9
Q

CDR

A

total number of deaths in a year for every 1,000

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10
Q

NIR

A

percentage by which a population increases in a year

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11
Q

today’s NIR

A

1.2

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12
Q

NIR peak

A

1963

2.2%

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13
Q

how many people are being added to the world each year

A

about 80 million

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14
Q

Doubling Time

A

number of years needed to double a population

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15
Q

what regions is most growth occurring

A
sub saharan africa
south asia
east asia
south east asia 
latin america
middle east
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16
Q

TFR

A

total fertility rate

measures the number of births a women can have throughout her childbearing years

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17
Q

high and low TFR

A

high: sub saharan africa
low: europe

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18
Q

IMR

A

infant mortality rate

total number of deaths in a year among infants

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19
Q

Life Expectancy

A

average number of years an individual can be expected to live

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20
Q

mortality in developing and developed countries

A

IMR is high in LDCs and the life expectancy is low in LDCs.

IMR is low in MDCs and life expectancy is high in MDCs.

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21
Q

Demographic Transition

A

process with several stages and every country is in one of those stages

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22
Q

Stage 1

A

low growth
high CBR and high CDR
NIR is almost zero

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23
Q

Stage 2

A
high growth
CDR goes down
CBR stayed the same
NIR was very high
(industrial revolution, medical revolution)
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24
Q

Stage 3

A

moderate growth
CBR drops by a lot.
CDR still dropping
NIR is still safe because the CBR is still higher than the CDR

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25
Stage 4
Low growth CBR matches CDR NIR CLOSE TO ZERO ZPG Zero Population Growth
26
shape of a population pyramid is determined by what?
the CDR in the community
27
Dependency Ratio
the number of people who are too young or too old to work compared to the people in their productive years
28
what age groups are categorized as dependent
0-14 & 65+
29
what is the grating population
older people who must receive adequate levels of income and medical care after they retire
30
Sex Ratio
number of males per a hundred females i. the populations
31
stage two ex
cape verde
32
stage three ex
chile
33
stage four ex
denmark
34
first big break
drop in death rate | medical advances
35
second big break
drop in birth rate | change in social customs
36
Emigration
migration from a location
37
Immigration
migration to a location
38
push factors
make people move out of a location
39
pull factors
attract people to a location
40
Three major push and pull factors
Economic stability cultural freedom and environmental comfort
41
intervening obstacle
environmental or cultural feature that hinders migration
42
International Migration
permanent movement from one country to another
43
Internal migration
permanent movement within the same country.
44
types of push factors responsible for voluntary migration
economic improvement
45
push factors responsible for forced migration
cultural factors business related reasons
46
migration transition applied to demographic transition
stage 1: high daily or seasonal mobility less permanent ``` stage 2: international migration interregional migration stage 3&4: internal migration intraregional ```
47
in what stage of demographic transition are most countries that send out immigrants.
stage two
48
what are three countries that recently sent out most immigrants from asia
china philippines india
49
what caused immigrating from latin america to us to increase
1986 Immigration Reform and Control Act distributed thousands of visas to undocumented immigrants
50
undocumented immigrants
people who enter a country without proper documents
51
where do most undocumented immigrants in the us. come from
mexico
52
What did the Quota Act(1921) and the National Origins Act(1924) do
limited the number of people that could immigrate to the united states from each country in one year period
53
Immigration Act 1965
hemisphere quotas instead of individual countries. Eastern hemisphere allowed 170,000 and 120,000 from the western
54
1978
global quota 290,000 20,00 per country currently 620,000 maximum of 7% per country
55
us immigration laws give preferences to three groups
reunify families skilled workers luck draw from countries that have few people in the us
56
Brain Drain
large scale emigration by talented people
57
Guest worker
workers who migrate to the MDCs of i search of higher paying jobs
58
famous ex of large scale migration in us
opening of the American West
59
population center
average location of everyone in the country
60
first intervening obstacle
Great plains | appalachian
61
what transportation development encouraged settlement in mississippi
canals
62
how did railroad encourage settlement to the american interior
land was sold to farmers paid for railroad farmer shipped goods on trains
63
why have people been migrating to the south
job opportunities | environmental conditions
64
urbanization
migration from rural to urban
65
suburbanization
movement from cities to suburbs
66
counterurbanization
net migration from urban to rural