types of maps forestry & woodland ecosystems c 7 a

Types of MapsForestry & Woodland Ecosystems

c 7 A

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?

Anticipatory Set

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

General Purpose Maps

• Used to show location of specific objects or boundaries

Examples: Road Maps Political Maps (maps

that show country boundaries)

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…

Thematic Maps – Examples:

Isoline Maps Use continuous lines

to show regional differences

Flow Maps Show movement of

objects between locations

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