• Insect infestation of fire-injured trees in the Greater Yellowstone Area 

      Amman, Gene D.; Ryan, K.C. (USDA Forest Service. Intermountain Research Station, 1991)
      Permanent plots were established in the Greater Yellowstone Area (GYA) following the 1988 fires to determine response of bark beetles to fire-injured conifers. Within 2 years (1989 and 1990), ...