Habitat Suitability Model

Question 1

Explain suitability analysis

Answer 1

• determining the appropriateness of a given area for a particular use
• model maps highlight areas from high to low suitability
• inputs could include euclidean distance or slope function

Question 2

Define binary suitability analysis

Answer 2

Only two values indicating suitable or unsuitable cells

Question 3

Overlay analysis: define boolean analyses

Answer 3

only shows which sites are suitable or not

Question 4

Why do we want relative suitability rating?

Answer 4

to provide more flexibility when comparing locations and to help consider trade offs and alternatives

Question 5

Steps of overlay analysis

Answer 5

1. define problem
2. determine significant layers
3. reclassify data within the layer
4. weight the input layers
5. add or combine layers
6. analyze

Question 6

What are the four tools of overlay analysis?

Answer 6

1. weighted overlay
2. weighted sum
3. fuzzy member ship
4. fuzzy overlay

Question 7

Explain weighted overlay

Answer 7

overlays several rasters using a common measurement scale and weights each according to its importance