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Transcript of Habitat Destruction
by Hayley Lowder
What is Habitat Destruction?
Habitat destruction is the biggest threat to wildlife in the United States.
Causes of Habitat Destruction
The main sources of habitat loss are destruction, fragmentation, and degradation.
Destruction occurs when large amounts of trees are removed from a certain area, also known as deforestation. This can also occur when wetlands are filled and rivers are dredged (sediment is removed from the bottom).
Habitat fragmentation occurs when terrestrial
habitats are divided by roads or when aquatic habitats are divided by dams. When a habitat is fragmented, the pieces may not be large enough to support the organisms that remain in the fragment, they may not be able to find mates or food.
Habitat degradation occurs from pollution or invasive species taking over a specific area. These factors can eventually alter and take over the habitat to the point that it is no longer substantial for the native species.
Effects of Habitat Destruction
Because so many different organisms are losing their habitats, levels of extinction and endangerment are rising. Different situations such as deer going on to roads to search for food are becoming more and more common.
Habitat destruction can affect humans as well; pesticides and fertilizers can get into our water supply and eventually make their way into our food web.
A habitat is considered destroyed if it can no longer support the plant and animal life that naturally occurs there.
Solutions to Habitat Destruction
Habitat destruction can be stopped if deforestation, the primary source, is reduced.
Other ways habitat destruction can be stopped is by planting native plants and not polluting any kind of natural area.