WETMAAP Technique 3
Northshore - Element 1

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

Materials:

1956 Colored Habitat map (Skill 3, Element 3)

1978, 1988, and 1995 Colored overlays taped together (Skill 1, Element 3)

Drafting tape

Exercise:

1. Use the 1956 Colored Habitat map and the 1978, 1988, and 1995 colored overlays taped together.

2. List at least two differences observed:

Note: Place a piece of white paper between the 1956 NWI map and the 1978 colored overlay to observe the difference between the 1978 and 1988 colored habitats.

1956 and 1978 1.

2.

1978 and 1988 1.

2.

1988 and 1995 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 Wetlands Wetland Scrub-shrub Upland Forested Upland Scrub-shrub Urban Ag/ Range
1956-1978    

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1978-1988    

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1988-1995