WETMAAP Skill 3
Lake Pontchartrain - Martello Castle Element 1

Skill 3: Visual Recognition
Element 1: Comparison of Habitat Maps

Note: Use Colored NWI maps from Skill 1, Element 3

Materials:

        Colored pencil 1956 NWI habitat map

        Colored marker 1978 NWI habitat overlay

        Colored marker 1988 NWI habitat overlay

        Drafting tape

        White sheet of paper

Exercise:

1. Tape the colored 1978 habitat overlay over the 1956 colored NWI habitat map. Position overlay using corner marks.

2. Tape colored 1988 habitat overlay over the 1978 overlay. Position overlays using corner marks.

Hint: Tape one overlay at the left edge and the other overlay at the right edge. By attaching overlays at opposite sides, you can flip the overlays to view various combinations of habitat change between 1956, 1978, and 1988.

3. Visually compare the differences between the habitats. Compare 1956 and 1978; compare 1956 and 1988.

4. Place a piece of white paper between the 1956 NWI colored map and the 1978 overlay

5. Visually compare the differences in habitats (colored) between 1978 and 1988.