| Streambank and Wetland Protection and Restoration |
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Streambanks and wetlands can serve as an effective filter for runoff from adjacent lands. They can also threaten water quality if vegetation is lost and banks begin to erode. There are numerous methods and theories on how to approach Streambank and Wetland Protection and Restoration projects. AQWA and the Natural Resources Conservation Service (NRCS) promote the use of vegetation and soil biotechnical engineering, when possible.
Evaluating Your Stream
When contemplating a project, it is to the Landowner’s advantage to accurately evaluate the current condition of the subject area. This will provide both insight into the cause of the problem and a basis from which improvement can be measured from. Below are three links to help landowners access their current stream conditions.
Stream Visual Assessment Protocol
http://www.nrcs.usda.gov/technical/ECS/aquatic/svapfnl.pdf
The Practical Streambank Bioengineering Guide, Sample Monitoring Sheet
http://plant-materials.nrcs.usda.gov/pubs/idpmcpustguid-appC.pdf
USGS, Surface Water Data for California
http://waterdata.usgs.gov/ca/nwis?program=sw&office=ca
Streambank Protection
Protecting a streambank against erosion is extremely critical. When streambanks erode fertile farm land can be lost, roadways can be consumed, and structures, livestock and human life can be put in danger. The two links below provide information on streambank protection methods.
Shoreline and Streambank Protection
ftp://ftp-nhq.sc.egov.usda.gov/NHQ/pub/outgoing/jbernard/CED-Directives/efh/EFH-Ch16.pdf
The Practical Streambank Bioengineering Guide, Bioengineering Techniques
http://plant-materials.nrcs.usda.gov/pubs/idpmcpustguid-appA.pdf
Stream Restoration
If a stream is in a degraded state, restoration is necessary. Restoration can enhance and improve wildlife habitat, water quality, and aesthetics, while reducing erosion. Additionally, restoration projects can protect or increase the property value. Restoration can take the form of vegetative plantings, soil bioengineering systems, or structures. Below are three links that provide information on stream restoration.
Stream Corridor Restoration, Principles, Processes, and Practices
http://www.nrcs.usda.gov/technical/stream_restoration/
Stream Corridor Restoration, Principles, Processes, and Practices--Case Studies
http://www.nrcs.usda.gov/technical/stream_restoration/casestudy.htm
California Salmonid Stream Habitat Restoration Manual
http://www.dfg.ca.gov/nafwb/pubs/manual3.pdf
Wetland Restoration
Wetlands are a significant resource. In addition to providing critical wildlife habitat for numerous threatened and endangered species, wetlands can also act as floodplains.
Wetland Restoration, Enhancement or Creation
ftp://ftp-nhq.sc.egov.usda.gov/NHQ/pub/outgoing/jbernard/CED-Directives/efh/EFH-Ch13.pdf
Vegetation for Protection and Restoration Projects
Vegetation is a vital component in any stream or wetland project. Vegetation provides habitat for wildlife and its root systems can act as soil anchors to reduce erosion. Using vegetation that is native to the area helps ensure success of the project.
The Practical Streambank Bioengineering Guide, Herbaceous and Woody Plant Datasheet and Illustrations
http://plant-materials.nrcs.usda.gov/pubs/idpmcpustguid-appB.pdf
For further information, please contact your local NRCS office. |