Tuesday, July 16, 2013

Cartograms

http://amphibiaweb.org/amphibian/cartograms/


Cartogram maps distort space in order to convey information of an alternative variable. These types of maps turn thematic mapping variables such as population or travel time into a value for land distance or area. Distance and area are the two main types of cartograms. The above map shows the percentages of threatened and endangered species by country. The different shades of red are used to represent different percentage ranges. 

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