Search Results - "Kotalik, Christopher J."

Before-After Control-Impact field surveys and novel experimental approaches provide valuable insights for characterizing stream recovery from acid mine drainage by Kotalik, Christopher J., Cadmus, Pete, Clements, William H.

“…Mineral extraction has resulted in widespread stream impairment due to habitat degradation and water quality impacts from acid mine drainage (AMD). The North…”
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Indirect Effects of Iron Oxide on Stream Benthic Communities: Capturing Ecological Complexity with Controlled Mesocosm Experiments by Kotalik, Christopher J, Cadmus, Pete, Clements, William H

“…Ferric iron (Fe­(III)) oxyhydroxides commonly precipitate at neutral pH and in highly oxygenated conditions in waterways receiving acid mine drainage,…”
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Stream Mesocosm Experiments Show Significant Differences in Sensitivity of Larval and Emerging Adults to Metals by Kotalik, Christopher J, Clements, William H

“…Evaluations of aquatic insect responses to contaminants typically use larval life stages to characterize taxa sensitivity, but the effects of contaminants to…”
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Integrated Assessment of Chemical and Biological Recovery After Diversion and Treatment of Acid Mine Drainage in a Rocky Mountain Stream by Kotalik, Christopher J., Meyer, Joseph S., Cadmus, Pete, Ranville, James F., Clements, William H.

“…Responses of stream ecosystems to gradual reductions in metal loading following remediation or restoration activities have been well documented in the…”
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Effects of magnesium chloride road deicer on montane stream benthic communities by Kotalik, Christopher J., Clements, William H., Cadmus, Pete

“…Montane streams often intercept and run parallel to roads and highways where road deicer is seasonally applied for snow and ice removal. This research used…”
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Size-Dependent Sensitivity of Aquatic Insects to Metals by Cadmus, Pete, Kotalik, Christopher J, Jefferson, Abbie L, Wheeler, Samuel H, McMahon, Amy E, Clements, William H

“…Laboratory assessments of aqueous metal toxicity generally demonstrate aquatic insects tolerate relatively high concentrations of metals in aqueous exposures;…”
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Context‐Dependent Responses of Aquatic Insects to Metals and Metal Mixtures: A Quantitative Analysis Summarizing 24 Yr of Stream Mesocosm Experiments by Clements, William H., Cadmus, Pete, Kotalik, Christopher J., Wolff, Brian A.

“…Modernizing water quality criteria to predict how contaminants affect natural aquatic communities requires that we utilize data obtained across multiple lines…”
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Geographic Drivers of Mercury Entry into Aquatic Food Webs Revealed by Mercury Stable Isotopes in Dragonfly Larvae by Janssen, Sarah E., Kotalik, Christopher J., Willacker, James J., Tate, Michael T., Pritz, Colleen M. Flanagan, Nelson, Sarah J., Krabbenhoft, David P., Walters, David M., Eagles-Smith, Collin A.

“…Atmospheric mercury (Hg) emissions and subsequent transport and deposition are major concerns within protected lands, including national parks, where Hg can…”
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Integrating Results of Field Biomonitoring and Mesocosm Experiments To Validate Postspill Impacts of Petroleum Hydrocarbons on Stream Benthic Communities by Duggan, Sam B, Kotalik, Christopher J, Clements, William H

“…We integrated the results of field surveys with a mesocosm experiment to quantify the ecological impacts of a gasoline and diesel spill on a third-order stream…”
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A novel approach to assessing natural resource injury with Bayesian networks by Rowland, Freya E., Kotalik, Christopher J., Marcot, Bruce G., Hinck, Jo Ellen, Walters, David M.

“…Quantifying the effects of environmental stressors on natural resources is problematic because of complex interactions among environmental factors that…”
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Bioenergetic responses of a stream food web to habitat restoration: interactions between Brown trout and invertebrate prey resources by Kotalik, Christopher J., Wolff, Brian A., Pomeranz, Justin P. F., Richer, Eric E., Clements, William H.

“…Stream habitat restoration has the potential to rehabilitate degraded stream communities, but the bioenergetic impact of restoration on prey resources and…”
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Habitat restoration for brown trout (Salmo trutta) has limited effects on macroinvertebrate communities in a historically metal‐contaminated stream by Wolff, Brian A., Pomeranz, Justin P. F., Kotalik, Christopher J., Hall, Edward K., Clements, William H.

“…Quantifying the success of stream remediation or restoration projects that are designed to improve water quality or habitat, respectively, is often challenging…”
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Mercury Isotope Values in Shoreline Spiders Reveal the Transfer of Aquatic Mercury Sources to Terrestrial Food Webs by Janssen, Sarah E., Kotalik, Christopher J., Eagles-Smith, Collin A., Beaubien, Gale B., Hoffman, Joel C., Peterson, Greg, Mills, Marc A., Walters, David M.

“…The transfer of aquatic contaminants, including mercury (Hg), to terrestrial food webs is an often-overlooked exposure pathway to terrestrial animals. While…”
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Evaluating the Direct and Indirect Effects of Acid Mine Drainage on Stream Ecosystems Using Field and Novel Experimental Approaches by Kotalik, Christopher J

“…Mineral extraction in the western United States has resulted in widespread stream impairment due to habitat degradation and water quality impacts from acid…”
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