WETMAAP Skill 3
Texas City/Virginia Point: 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 1950's NWI habitat map

Colored marker 1979 NWI habitat overlay

Colored marker 1989 NWI habitat overlay

Colored marker 1992 NWI habitat overlay

Drafting tape

White sheet of paper

Exercise:

1. Tape the colored 1979 habitat overlay over the 1950's colored NWI habitat map. Position overlay using corner marks.

2. Tape colored 1989 habitat overlay over the 1979 overlay. Position overlays using corner marks.

3. Tape the colored 1992 habitat overlay over the 1989 overlay. Position overlays using corner markers.

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 1950's, 1979, and 1989, 1992.

4. Visually compare the differences between the habitats. Compare 1950's and 1979; compare 1950's and 1989; and compare 1989 and 1992..

5. Place a piece of white paper between the 1950's NWI colored map and the 1979 overlay

6. Visually compare the differences in habitats between 1979 and 1989.

7. Place a piece of white paper between the 1979 and the 1989 NWI colored map overlays.

8. Visually compare the differences in habitats between the 1989 and 1992 maps.