WETMAAP Skill 3
Mobile Bay: Fresh Water Inflow 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 Landcover map
Colored marker 1978 Landcover overlay
Colored marker 1988 Landcover overlay
Drafting tape
White sheet of paper

Exercise:

1. Tape the colored 1979 habitat overlay over the 1956 colored Landcover map. Position overlay using corner marks.

2. Tape colored 1988 habitat overlay over the 1979 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, 1979, 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 1979 overlay

5. Visually compare the differences in habitats (colored?) between 1979 and 1988.