The Giant Sprayings

660 WordsFeb 18, 20183 Pages
There were also many unintended problems that came from the giant sprayings. 95-98% of pesticides sprayed reach destinations other than the intended target, including non-target species, water, soil, and air. This “pesticide drift” lead to water pollution and soil contamination. Soil contamination is a serious problem because it degrades the soil and the communities of organisms can be damaged. Because of this contamination, it has drastic effects on the environment. It incredibly decreases biodiversity, reduces nitrogen in the soil, has contributed to the decline in pollinating insects, destroys habitats (especially those for birds), and threatens endangers species. In order to reduce the negative impacts on the environment, the best pesticides are degradable, or at least quickly deactivate in the environment. However, the problem with most pesticides is that they are chlorinated hydrocarbon based, making the pesticides fat soluble. Since it is not excreted through the urine and is stored in the fat of the organisms and is then retained in those fat stores almost indefinitely. These pesticides have higher concentrations in marine animals, high levels being found most commonly in carnivorous fish, but even higher levels are found in fish-eating birds, and other animals at the top of the marine food chain. Each link in the chain is creating another link, spreading the poison through animal population like a virus. Now, the question here is, where do these come from?
Open Document