The population density is dense enough to form a flaming ball of people if a single fart is lit on fire. Chapter 2 spatial distribution and density of population 2. Search dense population and thousands of other words in english definition and synonym dictionary from reverso. The identification and delineation of uas made it possible to include as. Places where people are spread out, like the country, have low population density. Vast areas have hardly any people living in them whilst other areas seem to be very crowded. For example, a population ofinsects might consist of 100 individual insects, or many more. However, only 15% of the lecz population actually lived in dense urban areas in the year 2000. Chapter 2 spatial distribution and density of population. Population in reality in reality, the population density much more dense in some places than others. Population in theory if each of these boxes represent 1 square kilometer and each black dot represents a person, this is what the worlds population density would look like in 2005 and 2050.
Population size is the number of individuals in a population. Obesity and overweight pose a major risk for chronic diseases, including type 2 diabetes, cardiovascular disease,hypertension and stroke,and certain forms of cancer. With more people living in dense conditions, there is more frequent contact between more individuals, allowing disease transmission to easily occur. Population density within the countries that make up the volta basin vary, with the highest found in togo 118 km. Region totals 4 regions 2 or 3 divisions each individual territories. Population density is expressed in terms of the number of permanent inhabitants per unit area, usually per sq km. Put another way, density is the ratio between mass and volume or mass per unit volume. Population density definition is the number of people living in each unit of area such as a square mile. You can complete the definition of dense population given by the english cobuild dictionary with other english dictionaries. An example would be people per square mile, which is calculated by dividing the total number of people by the land area in square miles. These ten variables were then compared in different combinations in order to produce the simplest and most informative.
Examples of population density in a sentence, how to use it. Densely populated article about densely populated by the. However, there are also intracountry variations in the geographic distribution of population. It is frequently applied to living organisms, and most of the time to humans. Overpopulation definition is the condition of having a population so dense as to cause environmental deterioration, an impaired quality of life, or a population crash. It shows the relationship between a population and the size of the area in which it lives. A materials density is defined as its mass per unit volume. In biology, populations are groups of individuals belonging to the same species that live in the same region at the same time.
It is frequently applied to living organisms, most of the time to humans. For humans, population density is the number of people per unit of area usually per square kilometre. By 2030, population density along the egyptian coast is expected to increase to 1,902 peoplekm 2 and to 2,681 peoplekm 2 by 2060. Density is an intensive property of matter, which means the size of a sample does not affect its value. Of the several methods of describing the spatial distribution of population the simplest way is percentage distribution of population over the geographical areas.
The original degree of urbanisation method used a lower density threshold 100 inhabitants per km2 for thinly populated areas but in combination with population size and contiguity. Measure of the intensity of land use, expressed as number of people per square kilometer or square mile. Dense population synonyms and dense population antonyms. World population distribution places with few people have a low population density.
Population density and urbanization diseases spread more quickly among people who live in close proximity to each other. The population parameters are presented in table 91, along with the simple data array from which they were derived. Population density definition of population density by. Density is commonly expressed in units of grams per cubic centimetre. However, there is inconclusive evidence that health is better, and social class. Urban population refers to persons who live in cities and towns, i. Population size influences the chances of a species surviving or going extinct. George morris has defined overpopulation as the state of the population when there are more people than can live on the earth in comfort, happiness, and health and still leave the world a fit place for future generations. Population density is often used to estimate the number of people in any given area of a country. The key causes are increased consumption of energydense foods high in saturated fats and. Infectious disease infectious disease population density. Population density allows for broad comparison of settlement intensity across geographic areas. It is a measure of how much stuff an object has in a unit volume cubic meter or cubic centimeter.
Population density is a way of describing how crowded a place is with people. What is the definition of dense population answers. In probability theory, a probability density function pdf, or density of a continuous random variable, is a function whose value at any given sample or point in the sample space the set of possible values taken by the random variable can be interpreted as providing a relative likelihood that the value of the random variable would equal that sample. This data is from the 20 estimate of population by the united states census bureau. You can complete the definition of dense population given by the english definition dictionary with other english dictionaries. The number of organisms, usually people, living within a defined space, such as a city, county, or town. Characteristics and influential factors of food deserts err140. Every element of the definition is open to interpretation. In simple terms, population density refers to the number of people living in an area per square kilometre.
Population densities are usually defined as being either dense or sparse. For example, a single lau2 with a density above 100 inhabit. Future coastal population growth and exposure to sealevel. Complete a copy of the table below, which has been started for you. This is a list of countries and dependencies ranked by human population density, and measured by the number of human inhabitants per square kilometre or square mile. The definition of urban population is the proportion of a countrys population living in a town or city. Top synonym for dense population another word for dense population is heavily populated. Census bureau divisions and regions ordered by population density.
Overcrowding is often associated with decreases in quality of living conditions and sanitation, and hence the rate of agent. Densely populated definition of densely populated by. Population density is also used to describe how many animals or plants living organisms are in an area. Density, mass of a unit volume of a material substance. For example, the population density of ghanas upper east regions is 104 persons per km 2, while that. For example, the density of water is 1 gram per cubic centimetre, and earths density is 5. Characteristics and influential factors of food deserts. Population density is a measurement of the number of people in an area relative to the size of the area. Density of population does not of itself determine the ease with which infection spreads through a population. Population density is the measure of the population number per unit area, according to.
Density can also be expressed as kilograms per cubic metre in. Population density is the ratio of people to physical space. The formula for density is d mv, where d is density, m is mass, and v is volume. Overpopulation definition of overpopulation by merriam. Information and translations of denselypopulated in the most comprehensive dictionary definitions resource on the web.
Asked in definitions what is the definition of nutrient dense food. Population density an overview sciencedirect topics. The introduction of cdps meant that densely settled population centers without legal status were recognized as places, and classified as urban if they had at least 2,500 residents. Wikipedia, lexilogos, oxford, cambridge, chambers harrap, wordreference, collins lexibase dictionaries, merriam webster. In addition to the city proper, a metropolitan area includes both the surrounding territory with urban levels of residential density and some additional lower density areas that are adjacent to and linked to the city e.
Every descriptive measure value shown there is a parameter, as it is computed from information obtained from the entire population. Problems tend to arise primarily when populations become so dense as to cause overcrowding. Search dense population and thousands of other words in english cobuild dictionary from reverso. Population growth and the spread of diseases population. The population of a country or area is all the people who live in it.
Currently, over 50% of the global population lives in urban areas. Compare the reasons for dense and sparse population. This is a straightforward indicator and is the one implied in. List of countries and dependencies by population density. 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. Places where people live close together, like cities, have high population density.
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