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DDT

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... higher in the food chain - like most raptors, especially peregrines. It starts with insects and ends with raptors. DDT over time, accumulates in the bird. ... – PowerPoint PPT presentation

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Title: DDT


1
DDT
  • Zachary
  • Rolling Hills Elementary
  • 2006

2
Dichloro-diphenyl-thrichlorethane DDT, was, is,
and always will be a dangerous insecticide that
has killed hundreds of animals higher in the food
chain - like most raptors, especially peregrines.
It starts with insects and ends with raptors.
3
DDT over time, accumulates in the bird. When an
insect eats crops that have been sprayed with DDT
the insecticide gets into the food chain.
Farmers only knew that DDT was effective in
ridding their fields from insects, but they
didn't know that they were killing beautiful
birds like the peregrine falcon.
4
Once it was realized, the use of DDT was banned
in the United States. Now, peregrine falcons have
had a chance to recover.
5
Bibliography
DDT Banned Pesticide Karl Harrison 1996
http//www.chem.ox.ac.uk/it_lectures/chemestry/mom
/ddt/ddt.html Arnold Caroline Saving the
Peregrine Falcon Minneapolis Carolrohoda Books
1985 page 10 Environmental Education For kids
Peregrine Falcon-Faster Than a Speeding Bullet
3/15/03 U.S. Fish and Wildlife Service
Peregrine Falcon September 1999
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