Question

How is the local bird population affected by the use of DDT in crops by the farmer

Answer 1

The potentially lethal impact of DDT on birds was first noted in the late 1950s when spraying to control the beetles that carry Dutch elm disease led to a slaughter of robins in Michigan and elsewhere. Researchers discovered that earthworms were accumulating the persistent pesticide and that the robins eating them were being poisoned. Other birds fell victim, too. DDT also thinned the eggs of many birds and killing their embryos... thereby affecting the bird population...

Answer 2

Affect of DDT

Explanation:

1. Populations of bald eagles and alternative birds crashed once insecticide cut their eggs, killing their embryos.
2. The chemical, acknowledged for accumulating in food webs and continuous for many years in soil and watercourse sediment, was illegal within the u. s. in 1972.
3. Human health effects from insecticide at low environmental doses are unknown.
4. Human symptoms will embrace inborn reflex, tremors or shakiness, and seizures. Laboratory animal studies showed effects on the liver and copy. insecticide is taken into account a doable human substance.
5. DDT was conjointly used throughout war II so as to manage protozoal infection by dominant the dipterous insect population.
6. insecticide has Associate in Nursing adverse impact on several organisms like crayfish, fish, shrimp, and alternative marine animals. The result of natural covering dilution has the biggest impact on birds.
7. DDT may be a toxin that kills insects by inhibiting sure proteins in cell membranes. Associate in Nursing insect should walk directly across the crystal surface of insecticide (e.g., on a leaf) and absorb the poison through their footpads so as to be effective.
8. One of the new EPA's 1st acts was to ban insecticide, because of each considerations regarding hurt to the atmosphere and also the potential for hurt to human health.