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 |