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How does the decline in the bald eagle population affect other populations?
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What enviromental issue is causing the harpy eagle population to decline?
Deforesting of their homes
How did DDT affect bald eagles?
DDT affected the eggs and made the shells thin and weak. They broke when the mother eagle sat on them to hatch them.According the the US Fish & Wildlife website DDT was the major contributing factor to Bald Eagle population decline after WWII, by 1963 there were only 487 nesting pairs left - that was the minimum population. Since DDT use was banned in the US in 1972 the population has rebounded even though there is increased loss of habitat & prey for them to feed on (esp. salmon).The bald eagle population was just beginning to recover when a new threat emerged. The pesticide DDT, which was used to control insects that damaged crops, was getting into the food that the bald eagle ate. The pesticide made it more difficult for the bald eagle to absorb calcium and the lack of calcium made the shells of the bald eagle's eggs thinner. Many eggs broke before they could hatch and the bald eagle population dropped. DDT use was outlawed in the U.S. in 1972, and the bald eagle population has slowly recoveredAlternative answer:A myth. DDT didn't affect Bald Eagle eggs. Bald Eagle populations reached their minimum in the US prior to the introduction of DDT(1940). Bald Eagle populations were already increasing by 1960 at the height of DDT production and usage.The real cause of the Bald Eagle's decline was primarily hunting as they were considered a nuisance, a threat to livestock and the fisheries. Secondarily they suffered from a lack of food sources, habitat, poisoning from lead shot and other pollutants (lead, mercury, etc.).
What is Eagle Dynamics's population?
Eagle Dynamics's population is 55.
What is Giant Eagle's population?
The population of Giant Eagle is 36,000.
What is the population of Eagle Investment Systems?
Eagle Investment Systems's population is 2,012.
What is the population of Agnico-Eagle Mines?
Agnico-Eagle Mines's population is 2,010.
What is Agnico-Eagle Mines's population?
The population of Agnico-Eagle Mines is 4,782.
What is the population of American Eagle Outfitters?
American Eagle Outfitters's population is 34,900.
What is the population for an eagle?
19002345 is there population,
What is the golden eagle population?
The IUCN lists the golden eagle population at 250,000 birds.
What is a current population of harpy eagle?
The current population of the harpy eagle is 20,000 to 49,000. The population is declining at a rapid pace. The home range of the harpy eagle is South America.
An eagle is a predator for squirrels a new law stops humans from hunting eagle and the eagle population increases what will happen to the squirrel population?
The squirrel birthrate will decrease. (Apex)
