MindMap Gallery Population distribution, migration and reasonable capacity
Compulsory Course 2 of Geography of China National Library of Science and Technology, which summarizes the characteristics and influencing factors of population distribution, Characteristics and influencing factors of population migration, Resource and environmental carrying capacity and reasonable population capacity, etc.
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Population distribution, migration and reasonable capacity
Characteristics and influencing factors of population distribution
Population distribution characteristics
Distribution Characteristics Description Method
总体
哪多哪少
极值(气温:最高/低,密集/稀疏)
愿因思路:先自然后社会经济
uneven distribution
It has a tendency to be in the middle and low latitudes, with a mild and humid climate, flat terrain, and densely populated coastal and riverine areas.
Factors affecting population distribution
natural factors
Topography, climate, rivers, soil vegetation, etc.
socioeconomic factors
Economy, transportation, history, culture, etc.
Characteristics and influencing factors of population migration
The concept of population migration
The act of people moving to other areas for a certain purpose to permanently or long-term change their settlement.
Characteristics of population migration
international population migration
Reasons: 1. The opening of new sea routes and great geographical discoveries 2. Capitalist development and colonial expansion
Before World War II
Old World - New World
after WWII
Developing countries-developed countries
reason
The number of professional immigrants has increased
Labor export is the main form
The number of international refugees increases
internal migration
From the Qing Dynasty to the founding of New China
Before reform and opening up: Eastern migration to frontier policy
After the reform and opening up: the central and western regions moved to the east, and rural areas moved to cities
Main factors affecting population migration
Economic factors: income, employment opportunities, living conditions
Political factors: national policy, political persecution, war
Sociocultural factors: race, religion, family and marriage, gender, age
Ecological environmental factors: natural environment quality, natural disasters, mineral resources
Impact of population migration
To the place of immigration
favorable
increased labor force
Promote urbanization development
delay aging
Promote economic development
unfavorable
Causes environmental, transportation, housing problems
bring difficulties to urban management
to the place of emigration
favorable
Alleviating conflicts between people and land
Strengthen relations with the outside world, social and cultural connections and exchanges
unfavorable
Insufficient young and middle-aged labor force (brain drain)
Left-behind children and elderly issues
Resource and environmental carrying capacity and reasonable population capacity
Resource and environmental carrying capacity (maximum value)
definition
On the premise of ensuring the rational development and utilization of resources and protecting a good ecological environment, regional resource and environmental regulation can sustain the population
Influencing factors
Positive correlation
social economy
Science & Technology
Geographical openness (trade)
Natural resource advantages and disadvantages
negative correlation
consumption level
Reasonable population capacity (most suitable)
definition
The most suitable population number for a country or region in accordance with a reasonable lifestyle, ensuring a healthy living standard, and at the same time not impeding the quality of life of the collected population.
Influencing factors
Positive correlation
social economy
Science & Technology
geographical openness
negative correlation
consumption level
Measures to increase reasonable population capacity (my country)
Improve resource utilization efficiency and protect the natural environment
Vigorously develop the economy
Improve technological level
Adhere to reform and opening up and make full use of international resources
Promote moderate consumption