WETMAAP Technique 3
Indiana Dunes Element 1
 

Technique 3:  Recognition of Wetland Change
Element 1:  Evaluate Habitat Change

Materials:

        Colored Habitat maps and overlays (attached together) from Skill 3, Element 1  

Exercise:  

        1. Use the Colored Habitat maps and overlays (attached together) from Skill 3, Element 1.

        2. List at least two differences observed:

            Note: Place a piece of white paper between the different colored habitat map layers to observe the difference between time period.  

1938 and 1954  

1. _________________________________ 

 

2. _________________________________

 

1954 and 1979  

1. _________________________________ 

 

2. _________________________________

 

1979 and 2005  

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

Fresh Open Water Flats & Beaches Fresh Marsh Forested Wetlands Wetland Scrub-shrub Upland Forested Upland Scrub-shrub Urban Agriculture Range

1938-1954
                   

1954-1979
                   

1979-2005