1. Nicholas A. Procopio, Ph.D, GISP
Environmental GIS
Nicholas A. Procopio, Ph.D, GISP

2. Question?
Can we develop a measure of habitat integrity using land-cover data?
What is the best way to evaluate this?
What spatial tools will accommodate this analysis?
Spatial analysis toolbox

3. Land-use/Land-cover data (2007)

4. …and rasterized!!!!

5. Notice the pixelization.

6. Spatial Analyses Reclassify Reclass cover types as
Reclassifies (or changes) the values in a raster.
Reclass cover types as
habitat (1) or nonhabitat (0)

8. Spatial Analyses Focal Stat.
Calculates for each input cell location a statistic of the values within a specified neighborhood around it.

9. Sum all the pixels in a 1000 meter radius surrounding each pixel.
This value can than be normalized as a percentage of the maximum possible.

10. Focal Statistic Output

11. Intermediate steps…
Convert to float values. {Float} Converts each cell value of a raster into a floating-point representation. (continuous value to floating point values).
Recalculate as a percentage of window maximum. {Divide}
Window max = 100 pixels radius, pi*100^2 = pixels

12. Focal Statistic Output, as a percentage
100
habitat integrity?

13. habitat integrity less altered landsX
{times}
0/1 data
Cell value
habitat integrity less altered lands

14. Reclassify decimal values to categories.

16. 10 meter DEM

17. Slope (three cell neighborhood)

18. Slope (three cell neighborhood)

19. Aspect

20. Aspect