- Behavioral effects of ketamine and toxic interactions with psychostimulants
- Toxic interactions | InforMEA
- Natural toxins
Today's inspector general's report noted that the majority of new pesticide patent applications identified synergy between some of the most frequently used pesticides in the United States, including glyphosate, atrazine, 2,4-D, dicamba and multiple neonicotinoids.
Behavioral effects of ketamine and toxic interactions with psychostimulants
The information on synergy was found by the Center in publically available patents, but apparently the pesticide companies had not shared it with the EPA. The Center followed Donley's report with a petition to the EPA asking that the agency require information on pesticide synergy in pesticide-registration applications. That information was required by regulation from until , when the agency deleted the provision, calling it unnecessary. As a result, for the past 10 years the risks of synergistic combinations have been widely overlooked by the EPA in its approval of pesticides for food, lawns and everyday products.
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Toxic interactions | InforMEA
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Discussion Oil and Dispersant Exposure Levels The concentration of crude oil in marine environments after oil spills is highly variable, ranging from a few ppb to hundreds of ppm, depending on many different factors, such as temporal and spatial scales, marine topography and hydrodynamics, and the magnitude of the spill accident. Lethal and Sublethal Effects of Crude Oil in Zooplankton Our results support previous studies that found zooplankton are especially vulnerable to acute crude oil pollution, showing increased mortality and sublethal alterations of physiological activities, e.
Effect of Dispersant and Dispersant Treated Oil Laboratory studies have found that Corexit dispersants are toxic to marine benthic invertebrates and fishes, particularly eggs and early developmental stages  ,  — . Bioaccumulation of Polycyclic Aromatic Hydrocarbons in Mesozooplankton We found that zooplankton can accumulate PAHs when exposed to oil, in agreement with previous studies  ,  ,  ,  ,  — . Influence of Experimental Conditions UV Exposure, Food in Crude Oil Toxicological and Bioaccumulation Studies Oil toxicity in marine organisms may vary widely depending on environmental variables, including temperature  , salinity  , light  —  , and turbulence .
Ecological Implications of the Interactions between Crude Oil and Zooplankton Impact of oil spills on planktonic communities depends on many physical, chemical and biological factors, and therefore the effects of oil pollution on zooplankton would vary depending on the circumstances of each spill accident .
Main Conclusions Our experiments indicate zooplankton are especially vulnerable to acute crude oil exposure, showing increased mortality and sublethal alterations of physiological activities e. References 1. Banse K Zooplankton: Pivotal role in the control of ocean production. View Article Google Scholar 2. Can J Fish Aquat Sci Polar Biol — View Article Google Scholar 4. Walsh GE Toxic effects of pollutants on Plankton.
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