Population Distribution And Density Flashcards

1
Q

What is population distribution

A

The way in which people are spread out across a given area

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2
Q

What is population density

A

The average number of people per square kilometer

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3
Q

What does population density show in an area

A

Whether an area is sparsely or densely populated

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4
Q

What does sparsely populated mean

A

A few people living in a small area/per square kilometre

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5
Q

What does densely populated mean

A

Many people living in a small area/per square kilometre

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6
Q

What is the formula of population density?

A

PD= total population
______________________
total land area in km²

Units : people/km²

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7
Q

Population density is determined more by…

A

Environmental factors

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8
Q

The environmental factors make an area less or more..

A

Attractive

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9
Q

Why is there an uneven distribution of people around the world?

A

PD is determined more by environmental factors which make an area more or less attractive to settlers than by economic development

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10
Q

What are the 2 types of factors affecting population Density

A

Human Factors
Physical factors

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11
Q

Why is flat land a physical factor?

A

Flat land is densely populated which attracts a lot of people to live there as it is easy to build on.

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12
Q

Why is amount of rainfall a factor(negative answer)

A

Areas with low amounts of rainfall are deserts amd a sparsely populated , attracting a few prople because people can not grow crops in dry areas to sell for income or for food

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13
Q

Why are rivers and fertile soils physically factors?

A

Fertile soils attract people and are able to grow crops to sell or for food. Rivers attract people as a source of water

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14
Q

List the physical factors of PD?

A

Flat land
Low/high Amounts of rainfall
High/low temperatures
Vegetation
Rivers
Fertile soils

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15
Q

List the human factors of PD?

A

Agriculture
Secondary industry
Accessibility
Political decisions
Conflict

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16
Q

Why is Agriculture a human factor of PD?

A

Areas with well developed farming of crops or animals are often densely populated.

17
Q

What is secondary industry a human factor of PD?

A

Areas in which manufacturing has developed tend to be densely populated. Even in old industrial areas where manufacturing has closed population densities still remain high

18
Q

Why is accessibility a Human factor of PD?

A

Areas with well developed transport, infrastructure, and links through road rail and shipping are more likely to be more densely populated than areas which are poorly connected

19
Q

Why is conflict a human factor of PD?

A

Wars and conflicts can lead to significant movements of population and a simultaneous decrease in density in some areas while others may increase

20
Q

List4 difficulties in urban areas with very high PD

A

1.air pollution
2.need to provide electricity
3.need to provide good sanitation
4.need to supply clean water
5.need for more public transport
5.water pollution
6.theft/robbery
7.noise pollution

21
Q

Why many areas with good transport networks are densely populated

A

1.access to shops
2.access to hospitals
3.they can travel to work
4.people are not isolated.
5.industries need transport for raw materials
6.immigratiin route

22
Q

How Is the population of botswana distributed?

A

Unevenly

23
Q

Which side in botswana is more densely populated

A

The eastern margin

24
Q

Which side in botswana is sparsely populated

A

The south western and north

25
Q

What major thing does the eastern margin have

A

The capital city Gaborone

26
Q

Some factors attracting people to the east are:

A

Good medical facilities such as the government referral hospital in Mochudi can attract people to the eastern margin.

27
Q

2.Some factors attracting people to the east are:

A

There is better education and higher institutions of learning such as the Uni of Bots allowing people to further improve their education and get better jobs.

28
Q

3.Some factors attracting people to the east are:

A

Adequate rainfall of around 500-600 mm allows people to form and sell their produce for more income.

29
Q

Gaborone has a population of about

A

246 000 people

30
Q
  1. Some factors attracting people to the east are:
A

Gaborone being the capital city is the engine of economic growth therefore all governments headquarters are located there

31
Q

Examples of P.S in the PD case study of botswana

A

Marina hospital
246 009 people
Deborah hospital in Mochudi
500-600 mm of rainfall

32
Q

Some factors attracting less people to the west are:

A

Sandy soils in the region make it impossible to practice arable farming and very little rainfall causes cause a decline in crop production and so therefore people can’t sell their produce for income

33
Q

Sparsely populated sahel region case study

A

a).It is the region of western and North Central Africa.

  1. Reasons for sparse popula
    B] the climate of the sahel is really hot and arid thus unsuitable for agriculture and causes ppl to emigrate. Eg Senegal is a country with a emigration of 99.996% migrants in 2012
34
Q

Second reason for sparse population in sahel

A

Natural disaster make it difficult for human settlements to form and reduces the immigrants in the country. In November 2014 cape Verde fogo volcano erupted leaving villages destroyed explain why the county has a migration of -0.64 per 1000 ppl

35
Q

Third reason for sparse sahel

A

The countries comprising the Sahel regions are Ledcs and do not have very good schooling opportunities or medical facilities, causing less ppl to live there