Research Article

Identifying Subalpine Fir (Abies lasiocarpa) Attacked by the Balsam Woolly Adelgid (Adelges piceae) Using Spectral Measurements of the Foliage

Table 1

Sampling locations, years, and number of trees per location in northern Idaho and eastern Washington from which spectral data of mature subalpine fir trees were collected.

Year SiteEasting Northing Elevation (m)N

2001Freezeout Ridge5714035207488 1797 20
Flat Creek5186885187696 898 28
2002Santain Road 6062075075184109821
Red River6294985063073 1332 27
Hobo Pass5654195213883 139926
Homestead Creek5787805219219 163028
Misery Spring4628995107177 187828
Freezeout Ridge15
Flat Creek13

Total206

Map coordinate system in UTM, zone 11.