State Water Resources Research Institute Program


Project ID: 2011AR313B
Title: Continued Investigation of Land Use and Best Management Practices on the Strawberry River Watershed
Project Type: Research
Start Date: 3/01/2011
End Date: 2/29/2012
Congressional District: 1
Focus Categories: Water Quality
Keywords: Bank stability, aquatic macroinvertebrates, water quality, aqueous and sediment toxicity, nutrients
Principal Investigators: Bouldin, Jennifer L; Warby, Richard A F
Federal Funds: $ 14,000
Non-Federal Matching Funds: $ 31,969
Abstract: Sedimentation has been shown to negatively impact waterways. An influx of excess sediment can affect both the flora and fauna of the receiving water. Sediment can decrease light penetration, affect organisms ability to breathe and feed, and fill in habitats necessary for organisms' survival. This can lead to a decrease in diversity and a shift in communities to abundance of more tolerant species. In addition, other harmful components, such as excess nutrients and pathogens, may be attached to sediments and released into receiving waters. Agricultural activities may increase the amount of sediment entering a waterway. Cattle that enter waterways may cause sloughing to the bank as well as disturb the bottom substrate causing an increase in turbidity. Cattle also have the potential to introduce pathogens to the water through defecation.

This study is a continuation of monitoring to examine the efficacy of Best Management Practices (BMPs) in the upper Strawberry River Watershed implemented as part of an EPA 319 grant. These include livestock fencing, pasture planting, grassland maintenance, and livestock watering facilities with heavy use protection areas. Continued testing to determine the effectiveness of the BMPs over the granting period will include: nutrient analysis, chlorophyll a analysis, total suspended solids (TSS), turbidity, benthic macroinvertebrate analysis, stream bank analysis, particle size assessment, Escherichia coli levels, and aqueous and sediment toxicity bioassays.

By continuing to assess a variety of water quality parameters as well as morphological changes we will be able to determine a more complete perspective of the BMPs' effectiveness. Protection of upper headwater streams will improve ecosystem integrity downstream in this Ecologically Sensitive Waterbody. This study has the potential to expand the knowledge base of improved water quality from stream-side agricultural BMPs.

Progress/Completion Report, 2011, PDF

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