Information used for this study
U.S. General Land Office Surveys are classified
into 5 landscape types according to tree densities
(Anderson & Anderson 1975):
- Prairie (< 0.5 trees/ha*)
- Savanna (0.5 – 46 trees/ha)
- Open woodland (46 - 99 trees/ha)
- Closed forest (> 99 trees/ha)
- Swamps (Tamaracks only)
*ha = hectares = 10,000m2