If the soil is thin and unproductive, few people will live in the area. Areas of high population density tend to be located between 20 and 60n. This chapter examines the spatial distribution of the population of. Some areas have a high population density while others have a low population density. It is measured as the number of people per square kilometer. Why do physical and human factors affect the population. Population distribution is uneven since some areas are densely settled while others are not. Foot patrolfoot patrolautomobile patrolautomobile patrol112 officer units2 officer units. Just as the birth of new people increases the population size, deaths decrease it. Factors affecting distribution of drug tissue permeability of drug 1. In rural areas, most people make direct use of the surrounding land to support themselves through agriculture, hunting and mining. The relief of the land affects the population because remote, mountainous areas are hard to get to so people do not have easy access to towns to buy supplies or for schools, hospitals etc. Feb 12, 2011 being close to the coastline affects the population because of trading and employment. The impact of location characteristics on population distribution in.
What are the factors affecting population distribution. Factors affecting species distribution predictions. Thus, apart from physical factors, numerous social, demographic, economic. Factors affecting population growth the population growth is determined mainly by birth rate, death rate, and migration patterns immigration and emigration. Geographical factors influencing the population numbers and distribution of oncomelania nosophora and the subsequent effect on the control of schistosomiasis japonica in japan author links open overlay panel n. Jan 25, 2019 a key factor affecting the growth of the population is the death, or mortality, rate. What are the factors affecting the distribution of population. The distribution of population in continents is most uneven. Where the water supply is poor, low population densities will be found. What factors affect population density and distribution. The term population distribution refers to the way people are spaced over the earths surface.
Factors affecting population distribution by isabelle f on prezi. Where the water supply is good, high population densities will be found. When we study population distribution we examine why some places have populations which are more tightly packed than others. Frontier ias coaching ias hcs ras bpsc uppcs mppcs 69,826 views.
In a context of low population density less than 20 inhabitantskm2, the. Population distribution is about how people are spread across the earth. The uneven density of population in india is clear from the fact that in arunachal pradesh the average number of population is only persons per square kilometre, whereas it is 9,294. For instance the population in the developed countries like europe and america is growing at rate of only 0. Ecologists, biologists and wildlife estate managers aim to understand whether animal numbers are increasing or declining, and the possible causes of observed trends. Population distribution, migration and climate change in australia. Factors affecting the distribution pattern of wild plants with extremely small populations in hainan island, china article pdf available in plos one 95. The land surface of the earth accounts for around 30% of its area. Haberman marine science insritute, university of california oj sanja barbara variation in the abundance and distribution ci zooplankton is an inherent characteristic. Factors affecting population distributiondensity free. Change for 19501960 includes the populations of alaska.
One of the most important aspects of indias population is its uneven distribution. Population distribution is affected by environmental factors, natural resources, proximity to water and the ability to grow or obtain food. If an area is sparsely populated, this means that it contains few people relative to its size. This is an openaccess article distributed under the terms of the creative. Physical influences on the distribution of population. Factors influencing the distribution and density of population in india are as follows. An exploration graeme hugo arc australian professorial fellow, professor of geography, and director of the australian population and migration research centre, the university of adelaide december 2011 revised march 2012.
Areas in which populations are small usually lack one of these four qualities. There are many factors contributing to the unbalanced population distribution, including natural condition, social and economic development, and transportation infrastructure. Distribution of population 2001 in reality, the distribution of population in india is highly uneven. The geographic factors of population distribution history essay. Some areas are densely populated whereas others are sparsely populated. Population distribution factors pdf study distrubution and density of population and various factors influencing them. Key natural impacting factors of chinas human population. Demography what factors influence where people settle. 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 affecting population distributiondensity dubai is a thriving settlement in the midst of the desert. Factors reposible for uneven distribution of population in the world 1. Population tends to cluster around seaports and fresh water sources b. Use the information to create a clear, visually appealing mindmap showing the physical and human factors affecting population density.
Eight of the ten most populous cities in the world are on or near earthquake. There will also be plenty food here because of fishing etc. The factors influencing chinas population distribution and. The main factor affecting distribution of this population of octopuses may be predator pros sure acting through the availability of places to hide. Factors and processes shaping the population structure and. Module 9 notes human resource development in india 240 population density, distribuion and growth in india geography identify factors responsible for rapid growth of population. Concerns over spatial distribution of the population have great importance in the spatial planning at national, regional and district levels. Learn more about factors influencing population distribution for the ias exam.
Factors affecting distribution of population youtube. Paris is a clustered settlement pattern with many high and low rise buildings. Mapping global urban and rural population distributions ciesin. Much of the earths land surface is unfriendly uninhabitable to human habitation i. We have multiple influencers and motivators for population distribution in australia, including and probably primarily the availability of reliable fresh water for drinking.
Chapter 2 spatial distribution and density of population 2. Population distribution population distribution shows the spatial spread of people within the area available. Pdf factors affecting species distribution predictions. Download factors affecting population distribution notes pdf for upsc 2020. Population distribution across the earth is uneven. Free essays on factors affecting population distribution. Population distribution is a term used to describe how humans are spread across the earth. Factors affecting the spatial distribution of natural. Factors affecting distribution and abundance of zooplankton, with an emphasis on antarctic krill, euphausia superba langdon b. The map above shows that world population distribution is uneven. The social and economic factors affecting population distribution are.
The world population why do people prefer to live in certain. 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. There are certain factors which affect the distribution of population in many way. Factors and processes shaping the population structure and spatial distribution of genetic diversity across a species distribution range are important in determining the range limits. Social behaviour, normally studied in the natural environment, can be drastically altered by the spatial restrictions imposed by the laboratory leyhausen 1979.
Factors affecting population distribution paris, france 24,783km. Apart from physical factors several social, demographic, economic, political and historical factors affect population distribution. For more information on usage and access conditions of the geostat 2011 dataset, please click here. Part of the demography, population, and ecology commons, and the. Patterns of population distribution in the world patterns of population distribution and density help us to understand the demographic characteristics of any area. Physical and human factors affecting population distribution. Mapping the global distribution of livestock weltagrarbericht. Identify the image from the first column, give it a suitable factor title and then explain how it influences population distribution.
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. Since independence in 1961, tanzania has conducted four national population censuses. A simulation modeling experiment article pdf available in ecological applications 152.
Apr 25, 2017 the study of population distribution and its influencing factors is one of the key fields within population geography. However, the geographical distribution of population is greatly unbalanced. When speaking of population distribution, the terms sparsely or densely populated are usually used. The population distribution in cambodia in 1998 and 2008 is also represented in map 2. Jun 19, 2015 population distribution refers to the way people are spread out on the land. Chapter 2 spatial distribution and density of population. Analyse factors responsible for uneven distribution of population.
The regions having rich wealth of natural resources like coal, water, minerals and forest wealth favour the growth of population. Spatial distribution of the population and urbanization in latin america. What are some factors that affect how population is. Most previous studies have used traditional global regression models to explore the factors influencing population distribution, but they neglect spatial heterogeneity. There is considerable interest in the future distribution of human population. This area contains a large land area and a relatively temperate climate. Factors affecting distribution of population in india. May 01, 2018 geography population distribution, density and growth explained in hindi upsc pcs duration. Broadly, 90 per cent of the world population lives in about 10 per cent of its land area. The finished mind map should take at least a full page of your book and use colour and images as well as text. Or sometime population distribution can be described as being even or uneven, scattered or concentrated in a particular places. Population distribution in 1969 the worlds population amounted to be about 3,616 millions, inhabiting more than 6 million square kilo meters of land. Check out our top free essays on factors affecting population. We comprehensively analysed the influence of recurrent and historic factors and processes on the population genetic structure, mating system and the distribution of genetic variability of the pulmonate.
Identification of population growth and distribution, based on urban. To overcome this weakness, we employed the geographically weighted regression gwr model to identify. Evaluating the total numbers of people at risk from infectious disease in the world requires not just tabular population data, but data that are spatially explicit and. Geographical factors influencing the population numbers and. Access to other communities easily accessible by planes, railroads, and public transportation buses, subways, and taxi services. Pdf factors affecting the distribution pattern of wild. 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.