Search Results - "Pickhardt, Paul C."

Accumulation of Inorganic and Methylmercury by Freshwater Phytoplankton in Two Contrasting Water Bodies by Pickhardt, Paul C, Fisher, Nicholas S

“…Phytoplankton concentrate mercury from their aqueous surroundings and represent the primary entry point for Hg in aquatic food webs. We used 203Hg to compare…”
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Stoichiometric Controls of Mercury Dilution by Growth by Karimi, Roxanne, Chen, Celia Y., Pickhardt, Paul C., Fisher, Nicholas S., Folt, Carol L.

“…Rapid growth could significantly reduce methylmercury (MeHg) concentrations in aquatic organisms by causing a greater than proportional gain in biomass…”
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Contrasting uptake routes and tissue distributions of inorganic and methylmercury in mosquitofish (Gambusia affinis) and redear sunfish (Lepomis microlophus) by Pickhardt, Paul C., Stepanova, Maria, Fisher, Nicholas S.

“…High Hg concentrations in freshwater fish are a concern for human health, yet we lack a clear understanding of the mechanisms that produce high Hg…”
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Algal Blooms Reduce the Uptake of Toxic Methylmercury in Freshwater Food Webs by Pickhardt, Paul C., Folt, Carol L., Chen, Celia Y., Klaue, Bjoern, Blum, Joel D.

“…Mercury accumulation in fish is a global public health concern, because fish are the primary source of toxic methylmercury to humans. Fish from all lakes do…”
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The Effect of Dietary Exposure to Coal Ash Contaminants within Food Ration on Growth and Reproduction in Daphnia magna by Mathews, Teresa J., Stevenson, Louise M., Pickhardt, Paul C., Murphy, Cheryl A., Nisbet, Roger M., Antczak, Philipp, Garcia‐Reyero, Natàlia, Gergs, Andre

“…Coal ash contains numerous contaminants and is the focus of regulatory actions and risk assessments due to environmental spills. We exposed Daphnia magna to a…”
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Accumulation of Heavy Metals in Food Web Components across a Gradient of Lakes by Chen, Celia Y., Stemberger, Richard S., Klaue, Bjorn, Blum, Joel D., Pickhardt, Paul C., Folt, Carol L.

“…Recent studies have emphasized the need for understanding the accumulation and fate of metal contaminants at different trophic levels and across a broad…”
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Impacts of zooplankton composition and algal enrichment on the accumulation of mercury in an experimental freshwater food web by Pickhardt, Paul C., Folt, Carol L., Chen, Celia Y., Klaue, Bjoern, Blum, Joel D.

“…There is a well documented accumulation of mercury in fish to concentrations of concern for human consumption. Variation in fish Hg burden between lakes is…”
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