Land Management Resources

The spruce budworm is a native forest insect that inhabits the spruce-fir forests of northeastern North America. Outbreaks of this insect occur every 30 to 40 years. During this cycle, populations...

Woodpecker activity on ash trees in the winter may not seem worrisome; however, it may be a sign that a beetle is hiding under the bark. Could it be the emerald ash borer?

Woodpecker activity on ash trees in the winter may not seem worrisome; however, it may be a sign that a beetle is hiding under the bark. Could it be the emerald ash borer?

The purpose of this study was to examine the effects of varying amounts of paper birch ( Betula papyrifera Marsh.) on growth of 7- to 11-year-old Douglas-fir ( Pseudostuga menziesii var. glauca (Mrib...

Trees are constantly exposed to a multitude of micro-organisms, but only a few are capable of causing disease. When trees come under attack from micro-organisms, their primary line of defence is a...

Trees are constantly exposed to a multitude of micro-organisms, but only a few are capable of causing disease. When trees come under attack from micro-organisms, their primary line of defence is a...

Forest Pest Leaflets are a series of about eighty publications dealing with insects, tree diseases, and other problems affecting the growth, survival, and general health of forests. Each leaflet...

Twenty-year growth results reported for a series of trial sites in southeastern British Columbia indicated that interior spruce progeny, regardless of seed origin, grew faster (32%, on average) and...

In forestry, the purpose of site preparation is to ameliorate environmental conditions which limit tree seedling survival and growth. In subalpine and boreal forests, low soil temperature in...

Seven treatment units in three different clearcut blocks in the Golden Forest District were studied to assess overall soil disturbance levels resulting from ground-based harvesting using two methods...