WETMAAP Skill 3
Trinity River - Element 1

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

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

Materials:

1930 colored habitat map or overlay

1956 colored habitat overlay

1995 colored habitat overlay

2004 colored habitat overlay

Drafting tape

White sheet of paper

Exercise:

1.Tape the 1956 colored Habitat overlay over the 1930 colored Habitat map. Position overlay using the corner marks.

2. Tape the 1995 colored Habitat overlay over the 2004 colored Habitat overlay. Position overlay 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 from 1930 to 1956 and 1995 to 2004.

3. Visually compare the differences between the habitats. Compare 1930 and 1956 ; compare 1956 and 1995 ; compare 1995 to 2004.

4. Place a sheet of white paper between the 1930 colored Habitat map or overlay and the 1956 colored Habitat overlay.

5. Visually compare the differences in habitats (colored) between 1956 and 1995.

6. Place a sheet of white paper between the 1995 colored Habitat overlay and the 2004 colored Habitat overlay.