Large Woody Debris (LWD)

Large Woody Debris (LWD)- Natural wooden structures (logs) placed along the banks of rivers/creeks to improve aquatic habitat. Methods vary, but it simply means placing logs into the river.

LWD application in Grass River: Non-point sediment threatens the navigability of the river.

Hypothesis: Log structures will reflect some of the flowing water and cause subtle shifts in water current direction and velocity, resulting in deeper pockets and channels forming as sediment is scoured from the riverbed around the structures.

Grass River LWD

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