Fine roots are a dynamic component of Douglas-fir ecosystems. Changes in standing crops indicate that fine roots require a major portion of the stand's energy resources to fulfill their role in the
functioning of these systems. We observed standing crops of live and dead fine (< 1 mm diameter) and...
Root biomass studies were conducted in an old-growth stand of
conifers in the western Cascades of Oregon. The root systems of three
Douglas-firs (Pseudotsuga menziesii var. menziesii (Mirb. ) Franco)
with diameters at breast height of 94, 110, and 135 cm were excavated
and weighed to provide a basis for...
