Channel Complexity Restoration
The placement of large woody debris (LWD) in streams creates pools and side channels. The pools provide habitat for aquatic organisms while the side channels help alleviate flooding. The LWD also controls the routing of sedimentation. The source of the LWD should be outside of the riparian reserve whenever possible so as not to promote erosion in the riparian reserve. However, if usable trees are generated during management, then they can be used to add LWD. Any trees that naturally fall in the stream are an advantage and should be left.
Read more about this topic: Management Of Pacific Northwest Riparian Forests
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