Identifying Subalpine Fir (Abies lasiocarpa) Attacked by the Balsam Woolly Adelgid (Adelges piceae) Using Spectral Measurements of the Foliage
Figure 1
Mean spectral signatures of foliage from subalpine fir trees in the intermountain west measured using a ground-based spectroradiometer for trees that were not infested () or infested () with the balsam woolly adelgid.
