What are the factors affecting distribution of population Class 8?

Major factors influencing the distribution and density of population are described as under:

• Terrain: Terrain of land is a potent factor which influences the concentration and growth of population.
• Climate:
• Soil:
• Water Bodies:
• Mineral Resources:
• Industries:
• Transport:
• Urbanization:

What are the five factors that affect population?

Factors influencing population growth

• Economic development.
• Education.
• Quality of children.
• Welfare payments/State pensions.
• Social and cultural factors.
• Availability of family planning.
• Female labour market participation.
• Death rates – Level of medical provision.

Which factors affect population distribution and density as a while?

Physical factors that affect population density include water supply, climate, relief (shape of the land), vegetation, soils and availability of natural resources and energy. Human factors that affect population density include social, political and economic factors.

What are the 4 factors that affect population?

Population growth is based on four fundamental factors: birth rate, death rate, immigration, and emigration.

What are two factors that affect population size?

The two main factors affecting population growth are the birth rate (b) and death rate (d). Population growth may also be affected by people coming into the population from somewhere else (immigration, i) or leaving the population for another area (emigration, e).

Which are the 3 main factors that cause population change?

The three main causes of population change

• Births – usually measured using the birth rate (number of live births per 1,000 of the population per year).
• Deaths – usually measured using the death rate (number of deaths per 1,000 of the population per year).
• Migration – the movement of people in and out of an area.

What are three main process of change of population?

Population change: There are three main processes of change of population: birth rates, death rates, and migration.

What are three main factors that cause population change class 8?

Births, deaths and migration.

What are the physical factors that affect the distribution of natural resources class 8?

The distribution of natural resources depends upon many physical factors like land, climate and altitude. The distribution of resources is unequal because these factors differ from place to place on this earth.

What are the three processes of change?

Kurt Lewin developed a change model involving three steps: unfreezing, changing and refreezing. For Lewin, the process of change entails creating the perception that a change is needed, then moving toward the new, desired level of behavior and, finally, solidifying that new behavior as the norm.

What are the processes of population growth and change?

The three main processes of change of population are—birth rates, death rates and migration. Birth rate: It is the number of live births per thousand persons in a year. It is a maj or component of growth because in India, birth rates have always been higher than the death rates.

What is meant by population change?

Population change, defined generally, is the difference in the size of a population between the end and the beginning of a given time period (usually one year). Specifically, it is the difference in population size on 1 January of two consecutive years.

What are the major components of population change?

The main components of population change are births, deaths, and migration. “Natural increase” is defined as the difference between live births and deaths. “Net migration” is defined as the difference between the number of people moving into an area and the number of people moving out.

How do I calculate population change?

In short, a population change is determined by subtracting the total number of individuals leaving the population (by death or emigration) from the total number of individuals entering the population (by birth or immigration).

What are the process of changing population size?

Population size can be reduced by predation, and predator abundance is affected by prey abundance. Population growth can also be affected by dispersal, immigration and emigration, and management factors, such as removal of animals from the range and contraception.

What are the three population processes?

Demographers seek to understand population dynamics by investigating three main demographic processes: birth, migration, and aging (including death). All three of these processes contribute to changes in populations, including how people inhabit the earth, form nations and societies, and develop culture.

How is marriage a factor of population change?

Marriage: Marriage is social factor that cause change in population of a particular area. For example, if a woman is married to foreigner, the population of origin decreases whereas the population of her husband’s country increases.

What processes decrease the size of a population?

The two factors that decrease the size of a population are mortality, which is the number of individual deaths in a population over a period of time, and emigration, which is the migration of an individual from a place.

What three factors affect the size and age of population?

Population growth rate is affected by birth rates, death rates, immigration, and emigration.

What factors contribute to rapid population growth?

Several factors are responsible for the rapid growth: a drop in mortality rates, a young population, improved standards of living, and attitudes and practices which favor high fertility.

What type of growth shows a rapid increase in the population?

logistic growth

What factors contributed to the rapid increase in population in the 20th century?

In the 20th Century, advances in medicine, sanitation and nutrition have decreased the death rates further. These factors combined to produce the rapid growth of the human population in the 20th century. As with any population, humans are also limited by factors such as space, amount of food and disease.

What is population explosion and its causes?

A. 1 The major factors that are responsible for population explosion are illiteracy, reduced mortality, increased birth rate, and an increase in life expectancy.

When a population grows past the ecosystem’s carrying capacity what happens to the population?

If resources are being used faster than they are being replenished, then the species has exceeded its carrying capacity. If this occurs, the population will then decrease in size.

When a population grows past the ecosystem’s carrying capacity what happens to the population * 5 points?

the growth rate becomes negative until the population is back within the carrying capacity. the population fluctuates around the new level. the population’s fertility drops to zero. the population crashes and becomes extinct.

When a population continues to grow past its carrying capacity the population will go extinct True or false?

This retains the balance in the population of species in an ecosystem. The population if exceed beyond the carrying capacity of an ecosystem, that occurs in the case of exponential growth the population reduces in number to an extent to extinction due to shortage of resources.

What are three examples of limiting factors?

Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources. Others are abiotic, like space, temperature, altitude, and amount of sunlight available in an environment. Limiting factors are usually expressed as a lack of a particular resource.

What are three examples of density independent limiting factors?

The category of density independent limiting factors includes fires, natural disasters (earthquakes, floods, tornados), and the effects of pollution. The chances of dying from any of these limiting factors don’t depend on how many individuals are in the population.

What are six examples of limiting resources that can influence carrying capacity?

What are six examples of limiting resources that can influence carrying capacity? Energy, shelter, refuge from predators, nutrient availability, water, and suitable nesting sites can all be limiting factors.

What are the 4 human factors that influence population?

C. Human Factors

• 1) Agriculture. Areas with well developed farming of crops or animals are often densely populated.
• 2) Secondary industry. Those areas in which manufacturing has developed tend to be densely populated.
• 3) Accessibility.
• 4) Political decisions.
• 5) Conflict.

Why physical factors influence the population distribution?

Physical factors affect population distribution because they limit where humans can establish permanent settlements. Some of those factors include altitude and latitude, land forms, climate, and soil condition. High altitude, in general, restricts large permanent settlement because of the lack of oxygen.

What are the three major factors that cause population change?

What are the major factors of population change?

Three primary factors account for population change, or how much a population is increasing or decreasing. These factors are birth rate, death rate, and migration.

What are the determinants of population change?

Fertility, mortality and migration are principal determinants of population growth. Population change depends on the natural increase changes seen in birth rates and the change seen in migration. Changes in population size can be predicted based on changes in fertility (births), mortality (deaths) and migration rates.

What are the three determinants of population?

The determinants are: 1. Fertility 2. Mortality 3. Life expectancy 4.

What are the proximate determinants of population?

The proximate determinants (PD) of fertility are both biological and behavioral determinants that affect the fertility directly. The indirect factors such as socio-demographic and culture influence fertility through these proximate determinants but indirectly.

What is meant by population distribution?

The way in which people are spread across a given area is known as population distribution. Geographers study population distribution patterns at different scales: local, regional, national, and global. A busy junction in Cairo. Patterns of population distribution tend to be uneven.

What is population growth and distribution?

Population growth is the increase in the number of individuals in a population. Global human population growth amounts to around 83 million annually, or 1.1% per year. The global population has grown from 1 billion in 1800 to 7.9 billion in 2020.

Why is the population distribution is uneven in the world?

Geographical, cultural, economical and social factors influence spatial distribution of population. Since these factors vary across our planet, we have an uneven distribution of population in the world. Geographical factors like soil, climate, topography, water influence the population of an area.

Why is population distribution important?

Population distribution is perhaps the most essential of all geographic expressions, because the ways in which people have organized themselves in space at any given time represent the sum of all of the advances they have made to their overall geographical area.

How does population distribution affect the economy?

Too high population density decreases the natural endowment per capita, but eases the development of infrastructure, leading to existence of an optimal population density for economic growth (Yegorov, 2009). The trade-off between scale economies and transport costs leads to an optimal area served by a local monopolist.

Can population density affects the needs and characteristics of population?

The population density refers to the number of people per unit area which can be computed as square meter or kilometer. This is done to be able to properly assess the characteristics and real needs of the population so the programs to be created will surely answer the needs of the people in the place.

How does a high population density affect the people who live there?

The biggest problem of higher population density is the potential loss of ‘green-belt’ land impacting on quality of life. Many people value green spaces as an important factor in the quality of life. If we lose all the countryside to roads and housing, then this reduces the quality of life.

What are the drawbacks of living in a very densely populated area?

The bigger and denser the city you live in, the more unhappy you’re likely to be. Urban living increases employment prospects and consumption opportunities but also exposes individuals to numerous urban problems including high living costs, congestion, pollution, crime, and traffic among others.

Why do some places have high population density?

Temperate areas which experience few extremes of weather and climate tend to be more attracted than areas which experience extremes. Areas which have rich, fertile soils allowing successful agriculture tend to have higher population densities than areas which have poor quality soils have sparse populations.

What are the 3 types of population density?

Population density is often measured in three different ways. There is arithmetic density, physiological density, and agricultural density.

What are the 3 methods for calculating population density?

The three methods for calculating population densities are arithmetic, physiological, and agricultural. Arithmetic density tell us how many people are living per square of land, while physiological density tells us how many people are living per square of arable land.

Why do you think there is differences in the population density?

Communities are made up of populations of different species. In biology, a population is a group of organisms of the same species that live in the same area. Generally, very small populations are at greatest risk of extinction. However, the size of a population may be less important than its density.

What can cause a population to be in a uniform distribution?

Uniform patterns of dispersion are generally a result of interactions between individuals like competition and territoriality. Clumped patterns usually occur when resources are concentrated in small areas within a larger habitat or because of individuals forming social groups.

What is the difference between population density and distribution?

Population density just represents the average number of individuals per unit of area or volume. Often, individuals in a population are not spread out evenly. Population distribution describes how the individuals are distributed, or spread throughout their habitat.

Which is an example of a clumped distribution of a population?

In a clumped dispersion, individuals are clustered in groups. A clumped dispersion may be seen in plants that drop their seeds straight to the ground—such as oak trees—or animals that live in groups—schools of fish or herds of elephants.

Which type of population distribution is most common?

Clumped distribution