Technique 3: Recognition of Wetland Change
Element 1: Evaluate Habitat Change
 
Materials:
            1958 Colored 
Habitat map (Skill 3, Element 3),
            1985 Colored 
Habitat map (Skill 3, Element 3), and
            2000 Colored 
overlays taped together (Skill 3, Element 1)
            Drafting tape
 
Exercise:          
      1.         
Use the 1958 Colored Habitat map, the 1985 Colored Habitat map, and the 2000 
colored overlay taped together.
      2.         
List at least two differences observed:
 
1958 and 1985
1. _________________________________________
 
2. _________________________________________
1985 and 1999
1. _________________________________________
 
2. _________________________________________
3.     Visually examine the colored habitat maps to 
determine if the following habitats increased or decreased between each time 
period. Write
         increase, decrease, or stayed 
the same  in the boxes.
 
| Time periods | Salt Open Water | Fresh Open Water | Flats & Beaches | Salt Marsh | Fresh Marsh | Forested Wetland | Wetland Scrub-shrub | Upland Forested | Upland Scrub-shrub | Urban | Ag/ Range | 
| 1958-1985 | |||||||||||
| 1985-2000 |