From: Whitebark pine encroachment into lower-elevation sagebrush grasslands in southwest Montana, USA
 | Sample sites | ||
---|---|---|---|
Harkness | Morrison | Jeff Davis | |
Latitude (DD) | 44.88536 | 44.62069 | 44.87296 |
Longitude (DD) | −113.098 | −113.044 | −113.149 |
Elevation (m) | 2503 | 2659 | 2658 |
Aspect (azimuths) | 142 | 84 | 290 |
Slope (%) | 13 | 14 | 13 |
Rainfall (cm) | 64 | 65 | 65 |
Live mature BA (m2 ha−1) | 17.6 | 25.6 | 14.3 |
Dead mature BA (m2 ha−1) | 2.3 | 0.6 | 20.6 |
Area belt transect (m2) | 14 865 | 28 800 | 2555 |
Whitebark pine tree density (trees ha−1) in mature seed-source stand | |||
 Mature trees | 440 | 389 | 716 |
 Saplings | 263 | 289 | 1005 |
 Seedlings | 2119 | 0 | 3927 |
Other conifer tree density (trees ha−1) in mature seed-source stand | |||
 Mature trees | 4 | 12 | 25 |
 Saplings | 78 | 6 | 6 |
 Seedlings | 124 | 0 | 2245 |
Whitebark pine tree density (trees ha−1) in sagebrush grasslands | |||
 Mature trees | 112 | 10 | 31 |
 Saplings | 148 | 49 | 516 |
 Seedlings | 41 | 11 | 246 |