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Identifying the Sources of Coliform Bacteria in Coastal Ecosystems and Their Relationship to Land Use

Researchers plan to determine the source and distribution of fecal  bacteria in the Lake Superior Basin by refining molecular and  metabolic fingerprinting techniques.  They will analyze strains of  bacteria living in the intestines of animals including terns, gulls,  deer, beaver, and humans, and compare them to bacteria in water  samples from watersheds and the Duluth-Superior Harbor.  Their goal  is to help wastewater treatment plants and governing agencies  quantify how land use relates to sources of fecal pollution. Objectives: To (1) refine molecular (rep-PCR, ARDRA) and metabolic  (Biolog) fingerprinting methods to identify the origins of fecal  indicator bacteria isolated from coastal environments, (2) identify  the sources and distributions of fecal indicator bacteria in coastal  environments, (2) identify the sources and distributions of fecal  indicator bacteria in coastal ecosystems using metabolic and  advanced molecular methods, (3) quantify the relationships between  watershed land use/cover and the sources of fecal indicator bacteria  calibrated with molecular, metabolic, and culturing identification  techniques to develop an alternative identification method, and (4)  determine the appropriate scales at which land use and cover  information can be used to predict the sources of fecal indicator  bacteria. 

Status
In progress
Type
Project
Start Date
End Date
Researchers
Randall HicksPrincipal Investigator
Associated with 6 projects
Lucinda JohnsonResearcher
Associated with 4 projects
Michael SadowskyResearcher
Associated with 6 projects
Agencies
Minnesota Sea Grant College Program $ 95,475.00USDEstimates

Funding 30 projects for a total of $2,568,917.00
Scope of Study
Field Investigation
Laboratory Investigation
Scale of Phenomena
Community
Land Use and Habitat
Shoreline
Uplands
Lake Basin Connecting Channels
Lake Superior
State Province
Minnesota
Annex Numbers
Pollution from Non-Point Sources
Research & Development
Annex 17
Physical and transformational processes affecting delivery of pollutants
General
Annex
  • Annex Numbers
    Annex Numbers
    Pollution from Non-Point Sources
    Research & Development
  • Annex 17
    Annex 17
    Physical and transformational processes affecting delivery of pollutants

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