Utilization of genomic signatures from Hyalella azteca as a way to quickly evaluate toxicity and need of sediment remediation in the Great Lakes basin

Principal Investigator: Marisol Sepulveda
Initiation Date: 2009

• Use microarrays for the evaluation of gene expression signatures after exposure to different sediment pollutants
• Examine this gene expression after the amphipod Hyalella azteca was exposed to different pollutants commonly found in sediments across the Great Lakes basin

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Evaluation of phosphorus loading following a manure spill and an in-stream sediment amendment to reduce phosphorus desorption

Principal Investigator: Shalamar Armstrong
Affiliation: Purdue University
Initiation Date: 2009

• Develop a comprehensive understanding of P and NH4-N partitioning between fluvial sediments and the overlying water column during and following a manure spill
• Determine the effectiveness of the current manure spill remediation plan to mitigate P desorption from manure exposed ditch sediments
• Investigate the influence of sediment particle size distribution on the depth of P contamination as a result of a manure spill under base flow conditions
• Determine adequate application rates of alum and CaCO3 needed to remediate fluvial sediments following a manure spill
• Evaluate the efficacy of the sediment alum treatments following a manure spill

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Modeling the 10-year changes of juvenile fish assemblages in Lake Michigan near-shore water

Principal Investigator: Yong Cao
Affiliation: University of Illinois Urbana-Champaign
Initiation Date: 2009

• Assess changes in juvenile fish and zooplankton assemblages in Lake Michigan

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Land use disturbance impacts on stream fish physiology

Principal Investigator: Zachary Blevins
Affiliation: University of Illinois Urbana-Champaign
Initiation Date: 2009

 

• Determine if land use patterns and physiological traits are correlated in stream fish species 

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Toxic byproducts generated in disinfected drinking water contaminated with pharmaceuticals

Principal Investigator: Michael Plewa
Affiliation: University of Illinois Urbana-Champaign
Initiation Date: 2009

• Analyze source water contaminated with the X-ray imaging contrast pharmaceutical iopamidol before and after disinfection with chlorine

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Simulating the implications of recreational disturbance on Karner Blue Butterflies (Lycaeides melissa samuelis) at the Indiana Dunes National Lakeshore

Principal Investigator: Patrick Zollner
Affiliation: Purdue University
Initiation Date: 2009

• Assess how recreation influences the behavior of the endangered Karner blue butterfly at Indiana Dunes National Lakeshore
• Identify and predict the implications of such disturbance-related behavior on oviposition rate and larval host plant selection by the Karner blue butterfly
• Identify and devise active management strategies and site designs minimizing recreational disturbance to the Karner blue butterfly at sites with existing populations and restored sites proposed for the species re-introduction

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