Amounts of natural debris in small headwater streams under old growth
stands of Douglas-fir vary from 6 1/2 tons per 100 ft. of stream
to 26 tons per 100 ft. of stream, depending on terrain and timber
characteristics and sequence in the natural accumulation-flushing
cycle. Approximately 10% of the weight...
The objective of this study was to quantitatively describe the intrusion of logging debris into artificial gravel streambeds during conditions of low stream flow with a stable streambed, and begin an
analysis of the effect of high flow and unstable streambeds. This study was initiated because prior studies indicated that...