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People also ask
How can you tell if a fish has been killed by pesticides?
A pesticide-related fish kill can occur any time of the day, and the water will appear to be normal in color with no unusual odor. Other signs to look for in a pesticide-related fish kill are deaths of other aquatic and semi- aquatic animals such as turtles, frogs, invertebrate insects, shrimp, and crabs.
What is the economic value of fish killed by pesticides?
With this information, it is assumed that the economic value of fish killed by pesticides each year is estimated to be $10-25 million. This is most likely a vast underestimate, as fish kills due to pesticides are hard to trace (see David Pimentel鈥檚 2005 study for more information).
Are insecticides toxic to fish?
Different concentrations of insecticides are present in many types of waste w ater and numerous studies have found them to be toxic to aquatic organisms, especially fish species, . Fishes are particularly sensitive to the environmental contamination of water.
What is a fish kill?
Fish kills occur when pesticides are improperly applied to or otherwise end up in bodies of water through either misapplication or drift. In the past, these incidents have primarily been a coastal problem, but in recent years, the Department has seen pesticide-related fish kills throughout the state.