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JEQ Research Highlights

3/3/2017

 

Most of microbial quality regulations and assessments for fresh waters use the Escherichia coli as an indicator of fecal contamination that may bring to water microbes...

2/22/2017

 

Characterization of the vulnerability of water bodies to pollution from natural and anthropogenic sources requires understanding the relationship between land use and water quality...

2/6/2017

 

While many soils in the upper Midwest of the U.S. are extensively tile drained, substantial cropland remains poorly drained, negatively affecting nitrogen (N) fertilizer use...

1/23/2017

 

Biogeochemical soil processes and fluxes are governed by physical, chemical, and biological properties, which can highly vary in space and time. Current knowledge on biogeochemical...

12/30/2016

In flooded soils, such as those in rice fields, inorganic mercury can be converted to methylmercury, which is far more toxic and bio-accumulative. In the Sacramento Valley, CA, mercury is a...

12/9/2016

 

Roadside ditches are common strategies for preventing roads from flooding, but they can lead to downstream water quality issues, including nutrient pollution. Grassed ditches may...

11/28/2016

 

Livestock production is increasingly tied to water quality concerns, in part due to the management of manure on farms. While strong emphasis has been placed on how manure...

11/9/2016

Excessive concentrations of nitrate in streams can adversely affect biological communities. To assess the effects of nutrients and many other factors that can impair stream quality, the USGS and...

10/28/2016

 

Hydrogen sulfide is produced by sulfate-reducing bacteria during the storage of livestock manure. Besides being extremely odorous, it is highly toxic and contributes to the...

10/14/2016

 

As the 2014 Lake Erie toxic algal bloom and other phosphorus-driven blooms around the world continue to generate headlines and stir regulatory interest, associated human and...

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