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 |