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Woods to Waters: Wildfires amplify mercury contamination in fish

Forest fires mobilize mercury from the soil and can send the toxic metal into nearby streams and lakes where it accumulates in fish.

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Keywords: woods, waters, wildfires, amplify, mercury, contamination, fish, wood, water, wildfire

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1. Higher levels of pollutants found in fish caught near a coal-fired power plant
   11-07-2007 · EurekAlert!
   Emissions from coal-fired power plants may be an important source of water pollution and fish contamination, say researchers at the University of Pittsburgh. Researchers found higher-than-EPA-recommended levels of mercury and elevated levels of selenium in channel catfish caught in a rural area downwind from a coal-fired power plant. Based on testing of 63 fish, they found that fish caught near the power plant had 19 times more mercury than store-bought fish.
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2. How fish species suffer as a result of warmer waters
   01-04-2007 · EurekAlert!
   In order to estimate future changes, it is essential to develop a deeper understanding of the effect of water temperature on the biology of organisms under question. A new investigation, just published in the scientific journal Science, reveals that a warming induced deficiency in oxygen uptake and supply to tissues is the key factor limiting the stock size of a fish species under heat stress.
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3. Researchers find substantial amount of mercury entering the ocean through groundwater
   03-21-2007 · EurekAlert!
   Researchers from the Woods Hole Oceanographic Institution (WHOI) have found a new and substantial pathway for mercury pollution flowing into coastal waters. Marine chemists have detected much more dissolved mercury entering the ocean through groundwater than from atmospheric and river sources.
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4. Mercury contamination of fish warrants worldwide public warning
   03-08-2007 · EurekAlert!
   The health risks posed by mercury contaminated fish is sufficient to warrant issuing a worldwide general warning to the public -- especially children and women of childbearing age -- to be careful about how much and which fish they eat.
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5. Study finds fecal microbes high in New Orleans sediments following Hurricanes Katrina and Rita
   05-03-2007 · EurekAlert!
   In a new study documenting the microbial landscape of New Orleans and Lake Pontchartrain in the wake of Hurricanes Katrina and Rita, scientists report that sediments in interior portions of the city appear to be contaminated with fecal microbes, a chronic condition they say persisted in the area before the hurricanes, and that the resulting water quality in the city and in nearshore waters of the lake continues to be impacted by discharges from this contamination.
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6. Researchers setting up observatories to examine changes under the Arctic ice
   04-16-2007 · EurekAlert!
   Researchers from the Woods Hole Oceanographic Institution are venturing this month to the North Pole to deploy instruments that will make year-round observations of the water beneath the Arctic ice cap. Scientists will investigate how the waters in the upper layers of the Arctic Ocean -- which insulate surface ice from warmer, deeper waters -- are changing from season to season and year to year as global climate fluctuates.
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7. Fish extinctions alter critical nutrients in water, study shows
   03-02-2007 · EurekAlert!
   A Cornell study using computer simulations has teased out how extinctions of freshwater fish can affect the availability of certain nutrients that other species rely on.
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8. International team shows mercury concentrations in fish respond quickly to increased deposition
   09-17-2007 · EurekAlert!
   A joint Canadian-American research team have, for the first time, demonstrated that mercury concentrations in fish respond directly to changes in atmospheric deposition of the chemical. The international team's research began in 2001 at the Experimental Lakes in Northern Ontario and is featured in this week's Proceedings of the National Academy of Sciences.
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9. River plants may play major role in health of ocean coastal waters
   01-29-2008 · EurekAlert!
   Recent research at MIT's Department of Civil and Environmental Engineering suggests how aquatic plants in rivers and streams may play a major role in the health of large areas of ocean coastal waters. The work describes the physics of water flow around aquatic plants. It may be used to guide restoration work in rivers, wetlands and coastal zones by helping ecologists determine appropriate vegetation patch length and planting density.
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10. Researchers Casting For Answers To Stop Algae Problem In Texas Lakes
    10-10-2006 · ScienceDaily
    A team of Texas Agricultural Experiment Station fishery scientists this week took water samples from Lake Whitney for a new round of experiments. They are hoping for a breakthrough before winter when the golden algae typically blooms and kills perhaps hundreds of thousands of fish in one occurrence.
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