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Dryland Salinity

    Dryland salinity is one of the most threatening environmental issues affecting Western Australia at present time. It is the cause of which too much salt is dissolved into natural fresh water. As a result, plant life is dieing as salt in the water suffocates and dries out the plant, leaving baron and dry parts of land along the Western Australian landscape. It is the cause of when water tables raise due to sufficient rainfall in particular areas. As a result salt stored in the ground rises to the surface with the water and when the water is evaporated the salt is left behind. The problem occurs because of two main factors. The most obvious factor surrounds the geography and weather pattern of this most hostile landscape. Australia’s historical background is a significant cause. Australia never went through an ice age, so salt content in the soils were never renewed, hence there has been a build up of salt in Australia’s soils for nearly 10, 000 years. Another cause is due to Australia’s landscape, river and drainage system. Australia is relatively flat so instead of run off from rainfall draining back to the ocean, it can sometimes run inland because not all of our rivers run on a downward path to the ocean. A combinati

Approximate Word count = 1571
Approximate Pages = 6 (250 words per page double spaced)

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