The social and economic factors affecting population distribution are. Ib dp geography factors affecting population distribution. What are the factors affecting the distribution of population. For most of the endangered plants, the direct factors leading them susceptible to extinction are human activities 25, 36, 37. Ecological and historical factors affecting distribution pattern and richness of endemic plant species. A limiting factor is any factor that places an upper limit on the size of a population. Use the information to create a clear, visually appealing mindmap showing the physical and human factors affecting population density. These abiotic factors not only affect the behavior of insects but also disturb the physiological mechanism 44. Apart from physical factors several social, demographic, economic, political and historical factors affect population distribution.
Task on factors affecting population density carefully read the material above. The spatial distribution of ethiopias population generally. Population distribution is a term used to describe how humans are spread across the earth. Learn more about factors influencing population distribution for the ias exam. Some areas are densely populated whereas others are sparsely populated. What is affecting our environment 28 what is affecting our environment 28. It is, however, not to suggest that population distribution on the earth surface is determined by physical factors alone, for within the broad framework of physical attractions and constraints, cultural factors strongly influence the way mankind is distributed over the earth hornby and jones, 1980.
Factors reposible for uneven distribution of population in the world 1. Jun 19, 2015 factors influencing population distribution the distribution of population in the surface of the earth is not uniform due to many factors. Factors affecting the distribution and abundance of the. Factors for population distribution pdf world population. The distribution of population in continents is most uneven. An area or country can be densely populated, which means there is a high concentration of persons per square kilometer, or sparsely populated, which means there is a low concentration of persons.
Environmental effects on insects and their population dynamics. Haberman marine science insritute, university of california oj sanja barbara variation in the abundance and distribution ci zooplankton is an inherent characteristic. What are the factors which affect the distribution of. Population distribution is affected by environmental and human factors around the world. Physical factors include landform, climate, soil, etc. Against the background of the demographic argument, presented in the preceding section, we must inquire into the social factors, broadly defined, that are involved in population growth and its control. The factors affecting distribution of population are described below one by one in a nutshell manner. On one hand the population of india is highly concentrated in some pockets such as highly urbanized and industrialised areas and areas of high agricultural productivity, while on. Factors affecting the distribution of animal and plant.
Factors influencing population distribution and density in. Factors affecting distribution, activity and population of. The categories, however, are in no way like watertight compartment. The main factors that affect distribution of population are natural resources, climatic conditions, soils, cultural factors, age of human settlement, industrial development and means of transport and communication. Factors affecting channel choice free download as powerpoint presentation. Download factors affecting population distribution notes pdf for upsc 2020. Factors affecting the distribution of animal and plant species by debbie and valeria temperature water temperatures affect the concentration of animals. For example, the dominant factors affecting the appearance frequency of orchid and nonorchid species were altitude and the distance between population and road, respectively figure 2b, figure 2c. Ib dp geography factors affecting population distribution global scale part 1 physical factors identify the image from the first column, give it a suitable factor title and then explain how it influences population distribution. These factors can be classified into four main groups, namely physical, historical, economical and political. Both abiotic and biotic factors determine where a species can live.
Chapter 2 spatial distribution and density of population. Be careful not to mix this up with factors affecting the accessibility of the good to. Factors affecting the spatial distribution and breeding. Increase in population is directly related to birth rate of the country. The factors that affect the mortality rate include the availability and affordability of quality health care and lifestyle habits for example, whether they smoke or do. The map above shows that world population distribution is uneven. Limiting factors may be biotic, such as the availability of food, or abiotic, such as access to water.
Models of factors influencing population health figure 31. Around 70% of the earths surface is covered in water, leaving only 30% as land. Population distribution and density people are unevenly distributed around the world. Ecological and historical factors affecting distribution. Population distribution in 1969 the worlds population amounted to be about 3,616 millions, inhabiting more than 6 million square kilo meters of land. What are the factors affecting the distribution of vegetation. Factors affecting patterns of water use the history of predicting water use and related economic activity, population growth, and other variables of importance to water and economic planners shows that precise predictions are often incorrect. The land surface of the earth accounts for around 30% of its area. Areas with few resources tend to be sparsely populated e. A schematic of the relationships among these factors and health is. The current population of india contributes to 17% of the global population. One of the most important aspects of indias population is its uneven distribution.
What factors affect population density and distribution. The geographic factors of population distribution history. Water is used for drinking, bathing and cooking and also for cattle, crops, industries and navigation. The primary task of a population geographer, therefore, is to explain the irregularities in population distribution in terms of the influences of all these factors as an integral part of a dynamic process clarke, 1972.
Ecologically, the spatial distribution and habitat associations of animals result from the combination of environmental factors i. In the course of discussion, an attempt has been made to show the implications of the observed population distribution and density features. Habitat preferences and factors affecting population density and breeding. Factors for population distribution pdf free download as pdf file. Physical and human factors affecting global population distribution. For example, plants or animals occupying islands have a geographic range defined by the perimeter of the island. The study of population distribution and its influencing factors is one of the key fields within population geography. Read about the geographical, social, cultural factors affecting population distribution. Brief notes on population growth, worlds population. When we study population distribution we examine why some places have populations which are more tightly packed than others. Areas with temperate climates tend to be densely populated as there is enough rain and heat to grow crops e. Population distribution is how people are dispersed over a given area. Factors affecting channel choice distribution business.
Unevenly distributed and concentrated in highlands population in ethiopia has degraded the. All such factors affecting the population distribution and density may broadly be grouped into two major categories. Distribution of stellers sea eagles haliaetus pelagicus was studied along the. Just as the birth of new people increases the population size, deaths decrease it. Geographical factors influencing the distribution of. The physical factors include, chiefly, climate, landforms, topography, soil, energy and mineral resources, accessibility in terms of distance from the coast, natural. The factors influencing chinas population distribution and. Population, distribution, growth and change social and economic indicators of development influence population growth including birth rates and death rates whilst physical and human factors affect.
Areas in which populations are small usually lack one of these four qualities. Factors that affects population distribution your article library. In the case of cambodia, civil unrest in the past had forced a large number of people to migrate from one province to another. Pdf factors affecting the distribution pattern of wild. Population population biological factors affecting human fertility. Factors affecting population distributiondensity dubai is a thriving settlement in the midst of the desert. O box 6200000200 nairobi, kenya school of human resource development, jomo kenyatta university of agriculture and. In addition, the factor helps to decide how the population distribute is the. Areas of high population density tend to be located between 20 and 60n. Identify the image from the first column, give it a suitable factor title and then explain how it influences population distribution. We have multiple influencers and motivators for population distribution in australia, including and probably primarily the availability of reliable fresh water for drinking.
Population distribution is affected by environmental factors, natural resources, proximity to water and the ability to grow or obtain food. Some areas have a high population density while others have a low population density. Physical and human factors affecting population distribution. Physical factors affecting population distribution in. Factors affecting population growth economics guide. What are the factors which affect the distribution of population.
In rural areas, most people make direct use of the surrounding land to support themselves through agriculture, hunting and mining. It is because of this that river valleys are among the most densely populated areas of. The earth contains many different environments with only few parts suitable for human habitation. Factors influencing global population distribution bbc bitesize. A study of population distribution school learning resources. A physical factors physical factors play a vital role in the density and distribution of population.
These factors provide the necessary explanation for particular patterns of population distribution are generally grouped into three categories. Factors affecting the distribution pattern of wild plants with extremely small populations in hainan island, china article pdf available in plos one 95. There are a range of human and natural factors that affect population density. The geographic boundaries of a population are easy to establish for some species but more difficult for others. Also, all these people are unevenly distributed across 3. There are many factors contributing to the unbalanced population distribution, including natural condition, social and economic development, and transportation infrastructure. Jan 25, 2019 a key factor affecting the growth of the population is the death, or mortality, rate. What are some factors that affect how population is. What are the factors affecting population distribution. Physical factors affecting population distribution in india. Lowland plains, flat river valleys and deltas and volcanic areas with fertile soil tend to have high population densities. A case study of bata shoe company k limited kahia george dr. According to the 2001 census, uttar pradesh is the highest populated state in india with a total number of 166 million people. Factors affecting the performance of distribution logistics among production firms in kenya.
Factors affecting the distribution pattern of wild plants. Factors influencing population distribution and density in southern africa. Factors affecting population distributiondensity free. The department embraces a broad concept of health and wellbeing, and the factors that promote or detract from it. An area or country can be densely populated, which means there is a high concentration of persons per square kilometer, or sparsely populated. Key natural impacting factors of chinas human population. Physical factors that affect population distribution include altitude and latitude, relief, climate, soils, vegetation, water and location of mineral and energy resources. Population distribution is about how people are spread across the earth. Population distribution across the earth is uneven. Physical factors that affect population density include water supply, climate, relief shape of the land, vegetation, soils and availability of natural resources and. A population is a subset of individuals of one species that occupies a particular geographic area and, in sexually reproducing species, interbreeds. However, the geographical distribution of population is greatly unbalanced. Thus, apart from physical factors, numerous social, demographic, economic. Given its position in the food chain, top predators.
A key factor affecting the growth of the population is the death, or mortality, rate. Physical factors that affect population distribution include altitude and latitude, relief, climate. Such factors, in rough chronological order, include. Reproduction is a quintessentially biological process, and hence all fertility analyses must consider the effects of biology. It is the average number of the children born in a country compared to the rest of the population. Population distribution density change internet geography. Population distribution is measured by persons per square kilometer. Population biological factors affecting human fertility.
In other words, it is the number of births for every people in the country. Factors affecting distribution of population in india. The purpose of this paper, therefore, is to discuss the population distribution and population density as observed in the 2002 population and housing census. This area contains a large land area and a relatively temperate climate. It is measured as the number of people per square kilometer. Factors influencing the distribution and density of population in india are as follows. The logistic growth equation is a mathematical representation of malthus idea of population growth and environmental resistance. The distribution of the earths population across the globe is uneven. Areas with extreme climates of hot and cold tend to. External temperatures affect all animals, especially those that do not maintain constant internal body temperatures.
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