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Large Woody Debris Studies
What is the Focus?
Large Woody Debris (LWD) studies conducted by NRCS in Connecticut identify
its geomorphic and biological significance in riverine systems. The importance
of the ecology and management of LWD in riverine systems for both stream channel
stability and aquatic habitat is often overlooked. Individual LWD structures are
identified and evaluated for their role in habitat and/or channel morphology. In
addition, the overall extent of LWD within the channel system is evaluated,
culminating in recommendations for LWD management based on the identified needs
of the community and the ecological and physical needs of the stream system.
What Does NRCS Offer?
Inventory, analysis, design assistance.
What is an Example of a Large Woody Debris Study?
QUINNIPIAC RIVER – A section of the Quinnipiac River – approximately 17 miles
in length from Blacks Road in Cheshire to Sackett Point Road in North Haven –
was inventoried and evaluated for LWD channel blockages. Review of aerial
photography, USGS topographic maps, streamflow data, and field survey techniques
were used. LWD blockages occupying greater than 30% of the active channel, LWD
perpendicular to the direction of flow which would impede recreational boating,
or LWD which posed a risk to streambed/bank stability or infrastructure were
inventoried, located, and photo-documented. In addition, management
recommendations were made for each identified LWD structure. A total of 44
individual LWD blockages were identified. The information was documented into a
report, which is currently being used by the Quinnipiac River Watershed
Association for LWD management within the watershed.
Who are the Partners?
< Back to Assistance to
Communities: Conservation Technical Assistance Program Fact Sheets
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