"Characteristics and Influencing Factors of Population Distribution" Population Distribution, Migration and Reasonable Capacity PPT

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"Characteristics and Influencing Factors of Population Distribution" Population Distribution, Migration and Reasonable Capacity PPT

Part One: Learning Objectives

1. Use data to describe the distribution of population on different scales of space.

2. Combine the data to analyze the main factors affecting population distribution.

3. Combined with examples, analyze the distribution pattern of my country's population.

Characteristics and influencing factors of population distribution PPT, part 2 content: 01 Sort out the teaching materials and lay a solid foundation

1. World population distribution

1.Features

The population distribution around the world is ________, with ________.

2. Population distribution

(1) The world’s densely populated areas include _____, Southeast Asia, _____, eastern North America and _____.

(2) The sparsely populated areas of the world are mainly distributed in _____ relatively harsh areas and in steep _____ and mountainous areas.

2. Characteristics of world population distribution

1.Population distribution_______.

(1) Looking from the northern and southern hemispheres, they are mainly distributed in _______.

(2) Looking at each continent, _____ has the largest population and the highest population density, _______ has the smallest population and the smallest population density, and Antarctica is uninhabited.

(3) The population distribution within a country is also ________.

2. Population distribution has tendencies

(1) Population distribution tends to climatic _________ areas.

(2) The population distribution tends to _________ areas.

(3) The population distribution tends to _____ and _____ areas.

In short, the most densely populated areas of the world are basically located in _________ in the Northern Hemisphere.

3. Main factors affecting population distribution

1.Natural factors

_____, _____, hydrology, soil and vegetation, etc.

2.Socioeconomic factors

(1) Places with many ________, high ________, good social security, and comfortable material living environment tend to attract more people to live.

(2) Population distribution is also affected by factors such as _________, religion, ethnicity and _____.

Characteristics and influencing factors of population distribution PPT, part 3 content: 02 Research focus: Improving literacy

Research point: Population distribution and its influencing factors

Inquiry guide

The world's population distribution is extremely uneven, but it has a certain trend. Read the picture and answer the following questions.

1. Analyzing Figure 1, from the perspective of terrain type, about 56% of the world’s population is mainly distributed in __________________ areas. However, habitable places in the tropics are distributed in plateaus and mountainous areas. Let’s analyze the reasons.

Answer: Affected by climate and other factors, the population distribution in tropical areas is often concentrated in plateaus and mountainous areas. ① In tropical rainy areas: Mountainous areas and plateaus are suitable for human habitation due to moderate temperatures and precipitation, smooth drainage, and being higher than the distribution line of malarial mosquitoes. ②In tropical arid areas: plateaus and mountains are suitable for human habitation due to their cool climate and relatively high precipitation.

2. Based on Figure 2, infer at what latitudes is the world’s population mainly distributed? Why do areas at the same latitude in the Southern Hemisphere have smaller populations?

Answer: Mid- to low-latitudes in the Northern Hemisphere. The southern hemisphere has a vast ocean area at the same latitude, so the population is small.

3. According to Figure 3, judge that among the six continents, the continent with the lowest proportion of the population within 200 kilometers from the coast is ______. Try to analyze the reasons.

Answer: Africa has a straight coastline with few bays. The land area within 200 kilometers from the coast accounts for a small proportion of the total area of ​​the continent. Moreover, most of Africa is located in the tropics. The climate conditions in the inland plateau areas are more suitable for human beings than the coastal lowlands. live.

4. Comprehensive analysis shows that the world's population distribution tends to be concentrated in ______ areas, ____________ latitude areas and _____ areas.

5. Based on the above trend of world population distribution, which of the following areas are densely populated areas in the world (multiple choices)

A. Ganges Plain B. Amazon Plain C. Western European Plain D. Alaska, USA E. Korean Peninsula F. Tibetan Plateau G. Congo Basin H. Southeast corner of Canada

Core summary

1. Population distribution characteristics

(1) Characteristics of world population distribution

The basic characteristic of the world's population distribution is uneven population distribution. Most of the densely populated areas are located in the coastal plains of the mid- to low-latitudes of the Northern Hemisphere. Its distribution analysis is as shown on the right:

(2) Characteristics of my country’s population distribution

2. Geographic factors affecting population distribution

(1)Natural factors

(2)Social factors

(3) Political, cultural and other factors

Characteristics and influencing factors of population distribution PPT, part 4 content: 03 class drill knowledge implementation

(2019·End of Middle School in Yangzhou, Jiangsu Province) The picture below shows the "Latitude Distribution Map of World Population". The shading indicates the number of people at each latitude. Read the picture and complete questions 1-2.

1. The world’s population is concentrated in

A. Mid- and low-latitude areas of the Northern Hemisphere

B. Mid- and high-latitude regions of the Northern Hemisphere

C. Mid- and low-latitude areas of the southern hemisphere

D. Mid- to high-latitude areas of the southern hemisphere

2. The influencing factors of the concentrated distribution of population in the figure are

A.Topography

B.Climate

C. Mineral resources

D.Transportation

Population distribution is closely related to natural conditions, socioeconomic conditions, etc. Complete questions 3 to 4 accordingly.

3. The Amazon River Basin is a sparsely populated area in the world, and its main influencing factors are

A. Complex terrain B. Hot and humid climate

C. Lack of resources D. Located inland

4. The eastern part of the Brazilian Plateau is a relatively densely populated area in South America. Its main influencing factors are:

① Suitable climate ② Single culture ③ Flat terrain ④ Rich water resources

A.①② B.②④

C.③④ D.①③

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Update Time: 2024-09-08

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