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Types of MapsForestry & Woodland Ecosystems
c 7 A
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Anticipatory Set
• Observe and Describe the following Forestry map by completing the following on a notecard:– List 5 observations– What is the cartographer (map-maker) trying to
communicate?– Are there any elements missing that would make
interpreting the map easier?
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Anticipatory Set
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What is a map?
• A symbolic representation of selected characteristics occurring at a location that is used to display spatial relationships
• Types of Maps– General Purpose Maps– Thematic Maps
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General Purpose Maps
• Used to show location of specific objects or boundaries
Examples: Road Maps Political Maps (maps
that show country boundaries)
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Thematic Maps –Used to display social, environmental,
and/or economic dataExamples: Graduated Symbols
Use symbols to display quantity or magnitude
Chloropleth Use shades of color
to represent ratios, numerical ranges, etc…
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Thematic Maps – Examples:
Isoline Maps Use continuous lines
to show regional differences
Flow Maps Show movement of
objects between locations
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Thematic Maps – Examples:
Cartograms Distorts shape of a
region to represent magnitude of data
Dot Density Shows a
concentration of points that represent a feature of interest