- Morris, R.F.
Dominion Entomological Laboratory, Fredericton, NB
- Bishop, R.L.
New Brunswick Forest Service, Fredericton, NB
Several investigators have presented methods for rating the estimated vulnerability of forest stands to damage by the spruce budworm, Choristoneura fumiferana (Clem). These methods are based on the use of cruise data or ground surveys, and are therefore applicable only to areas where such data are available.