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Habitat Alteration and Fragmentation

Science Presentation
by

Annelise Gardiner

on 15 December 2012

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Transcript of Habitat Alteration and Fragmentation

Habitat Alterations & Fragmentation Humans in the Biosphere Background Possible Solutions Road construction, deforestation, soil erosion, desertification, acid rain, oil spills, mining, bottom trawling, overfishing, over hunting, dredging, construction, agriculture, hiking, sailing, adventure sports, climate, and pollution - just to name a few. Causes Habitat alteration can be found anywhere where there has been a huge change in the environment. It happens with plants, animals, and even humans. It can happen in oceans, forests, jungles, the arctic, the desert, grasslands, and basically any other biome you can think of. Because nothing stays the same forever anywhere, habitat alteration can happen anywhere. Locations Habitat Alteration can happen after any number of events. One example is forest fires. After fires happen, All the animals that once lived there now have to find a new way of life and to get the resources they need. Another example is if a new species is introduced to a habitat. In lake Victoria, a south american plant called a hyacinth was introduced. It floats over the the lake and stops light from entering the lake. The fish then have to learn to adapt. habitat alteration can also happen in cities. When cities get over crowded, it leads to urban sprawl and people have to find a way to adapt and expand. Examples Habitat Alterations are changes made to the environment that adversely affect ecosystem function, although not perhaps completely or permanently.

Habitat Fragmentation is a secondary effect of habitat destruction. The primary effect being the elimination of all individuals or populations from the portion of the landscape that has been destroyed, and the secondary effect, habitat fragmentation occurs when remaining populations are isolated because the links between habitat patches have been destroyed.

Urban sprawl is the uncontrolled expansion of urban areas. Thanks for watching! THE END Create nature refuges
Find new ways to help decrease pollution
Reforestation
Creating corridors, buffers, and stepping stones BASICALLY . . .

Habitat Alteration is what they call it when a Habitat is altered BASICALLY . . .

Habitat Fragmentation is when a habitat is, well, fragmented. For example, if a fire burned through the middle of a forest it would separate the two parts of the forest and make it harder - or even impossible - for all the little animals and other organisms to get from the side they're on, to the other side.
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