Australian Immigration and Its Effects
Australia is an island continent which is geographically isolated fromthe rest of the world. This has resulted in the evolution of many unique plants and animals and the development of a very fragile ecosystem. This ecosystem has been influenced by human immigration for many thousands of years. The original immigrants were the Aborigines who are thought to have migrated to Australia from Asia between 50 and 100 thousand years ago. These primitive people learned to live in the inhospitable environment of Australia with very little effect. Their major environmental impact was from the use of controlled burning of the land. Over the years they had learned the benefit of periodic fires to control pests and to clear debris before it accumulated and led to large uncontrolled disastrous fires. This also returned nutrients to the soil which helped to grow back new vegetation. Unlike those who followed, the Aborigines had very little impact on the environment. Following the Aborigines, Asian seafarers are believed to have traveled to Australia to trade on the north shores. Experts are not sure, but they believe that these seafarers are the ones who first introduced the dingo into
and water can not easily get through it. Over grazing quickly led to soil their hooves destroy the fragile soil by trampling it down so hard that roots 1788 but found it unsuitable for a colony. They then moved north to Port They also brought with them cultural beliefs including the Christian belief that penal colony since England's prisons were very overcrowded. That year, on May European immigrants did not come to Australia until after April 29, 1770 with imported ones. The list of these plants grew year after year. Some failed few centuries has been devastating. The original European immigrants could not
Some common words found in the essay are:
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Approximate Word count = 1172
Approximate Pages = 5 (250 words per page double spaced)
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