Q 2. Answer in brief. (1) Explain the use and types of distributional maps. (2) Differentiate between choropleth and isopleths methods. (3) Explain with reasons the method which is best suited to show the distribution of population in a region.
Answers
Answer:
1.Distribution maps are a form of thematic maps that are used to represent the distribution of particular geographic elements within a given region. It utilizes the statistical data of the chosen element to create a map which provides the user with a visual representation the particular variable’s distribution. A properly made distributional map makes it easy to visualize how a certain variable or element varies over a region. It can be used to represent qualitative data like vegetation or soil in a region or quantitative data like population density or average annual rainfall in a region. The following table gives a classification of the different distributional maps along with their advantages and disadvantages.
2.in choropleth method tint of same colour are used to value according to distribution and they have one value assigned to the sub- administrative region.
in isopleth method lines of different shapes are used to show values according to distribution and here , value of the sub-administrative does not matter here.
3.The method which is best suited to show the distribution of population in a region is the Population Pyramid, which shows the Natality or the Birth rate, Mortality, or the Death Rate. Also known as the Age Sex Pyramid, the Population Pyramid also shows gender wise distribution as well as age group wise distribution of a population of a region. The most populous group, that is the census of children serves as the base of the pyramid. The uppermost narrow portion represents the census of very old people.
Explanation:
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