Abstract
Pesticides are widely used in agricultural production to prevent or control pests, diseases, weeds, and other plant pathogens in an effort to reduce or eliminate yield losses and maintain high product quality, although pesticides are developed through very strict regulation processes to function with reasonable certainty and minimal impact on environment. Therefore, the risk assessment of the impact of pesticides either on human health or on the environment is not an easy and particularly accurate process because of differences in the periods and levels of exposure, the types of pesticides used (regarding toxicity and persistence), and the environmental characteristics of the areas where pesticides are usually applied. In this chapter, we intend to discuss about the ecological consequences of overuse of pesticide and their different types of impact. Also, pesticide risk assessment and management are discussed here. Meanwhile, simulation model for monitoring pesticide toxicity was also discussed.
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