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Updated: Jun 28, 2026
08:49
Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff
Published on: May 15, 2017
Recently planted vegetation strips reduce Giardia runoff reaching waterways
Cynthia L Winkworth1, Christoph D Matthaei, Colin R Townsend
1Dep. of Zoology, Univ. of Otago, 340 Great King Street, Dunedin, 9054, New Zealand. Cynthia.Winkworth@zoology.otago.ac.nz
Journal of Environmental Quality
|October 25, 2008
Summary
Newly developed field methods tracked Giardia in farm runoff. Planted vegetation strips reduced Giardia by 26% compared to bare soil, showing immediate benefits for waterway protection.
Area of Science:
- Environmental Science
- Microbiology
- Agricultural Science
Background:
- Limited methods exist for tracking farm pathogens in runoff.
- Giardia is prevalent in dairy cattle but its movement in runoff is unstudied.
Purpose of the Study:
- Develop a field-based method to track Giardia in farm runoff.
- Compare pathogen reduction by planted vegetation strips versus bare soil strips.
Main Methods:
- Developed a novel field-based tracking technique for Giardia.
- Compared Giardia levels in runoff from planted and bare soil strips.
Main Results:
- A new field method successfully tracked Giardia movement.
- Planted vegetation strips reduced Giardia in runoff by 26% (P = 0.006).
Conclusions:
- Vegetation strips offer immediate benefits for reducing pathogen runoff.
- The new technique can assess vegetation types and development for runoff reduction.
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