Distributional Maps

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Thematic maps are special maps prepared to show the distribution of various variables in a region, such as temperature, rainfall, population, etc. They use statistical data to display patterns of dist

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The three main methods are: 1) Dot method - uses dots to show distribution of variables that can be counted, 2) Choropleth method - uses color shades or patterns to show data, 3) Isopleth method - use

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The dot method uses statistical data gathered through counting only. It is suitable for variables that are freely scattered across the region, such as population distribution, distribution of cattle,

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To determine dot value, consider: 1) The lowest and highest values of the variable in the region, 2) The size of the dot, 3) The density of the variable, 4) The scale of the map. This helps decide how

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Precautions include: 1) Keep dot size uniform, 2) Consider physiography, water sources, and transport systems when placing dots, 3) Use dots for rural population and circles for urban population, 4) P

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In dot method, rural population is shown by dots while urban population is shown by circles. This helps distinguish between different types of population distribution on the map.

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Choropleth method shows data using shades or tints of various colors or black-and-white patterns. It uses data obtained through measurement and surveying. Only one value is assigned to each sub-admini

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In choropleth method, 5-7 classes are made by considering the smallest and largest values of the data. Each class is assigned a tint of the same color or black-and-white patterns. Shades become darker