WETMAAP Skill 1
Crescent Lake: Element 3

Skill 1: Map Use
Element 3: Classification of Wetland and Upland Habitats 

Materials:

Color classification chart
Colored pencils
Drafting tape
1982 11"x 17" section of the NWI map
1988 11"x 17" section of the NWI map

Exercise:

Note: This exercise can be worked in groups of two with each person preparing an overlay or coloring a NWI map section.

1. Use the Color Classification Sheet

2. Use the colored pencils

3. Examine the following table

4. Complete the table by coloring the box with the correct color:

¨ Salt Open Water

¨ Fresh Open Water

¨ Flats and Beaches

¨ Salt Marsh

¨ Fresh Marsh

¨ Forested Wetlands

¨ Wetland Scrub-shrub

¨ Upland Forest

¨ Upland Scrub-shrub

¨ Urban

¨ Agriculture

5. Use the 1982 NWI map

6. Use the color pencils, the classification guide, and the color Table prepared above, color (fill-in) the polygons on the 1982 NWI map.

7. Examine the wetland habitats labeled on the map and cross reference with the classification guide.

8. Use the 1988 NWI map

9. Tape an 11"x 17" clear film overlay along the top edge of the 1988 NWI map.

10. Use the Black pen to make four "corner marks" (_) on the overlay, one at each corner of the study site.

11. Use the color marker pens, the classification guide, and the color Table prepared above, color (fill-in) the polygons on the 1988 NWI map

12. Re-examine the wetland habitats labeled on the map and cross reference with the classification guide.