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Bushfires © Karen Devine 2010
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Bushfires The fuel for bushfires includes: grass scrub Forests.
© Karen Devine 2010
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Bushfires Whilst fires are a natural disaster, their heat is also necessary to stimulate the opening of seed pods in forests which will contribute to new plant growth. © Karen Devine 2010
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Bushfires In Australian history fire has been used to: clear land
clear undergrowth in cane fields cook food. © Karen Devine 2010
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Bushfires Bushfires are usually caused by: lightning strikes
spontaneous combustion accidents with machinery and equipment arson. © Karen Devine 2010
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Bushfires The 2 main types of bushfire include:
surface bushfires: burn in undergrowth crown bushfires: burn in treetops and are ignited by surface bushfires. © Karen Devine 2010
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Bushfires Bushfires are most likely along Australia’s:
South Western Coast Eastern Coast Tasmanian Island. © Karen Devine 2010
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Bushfires The areas where fires are prevalent are:
sclerophyll forests which contain large numbers of eucalypts and a vast amount of undergrowth. Experiencing low rainfall and drought Experiencing heatwaves with strong, gusty winds Experiencing high pressure systems. © Karen Devine 2010
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Bushfires There can be 3 main types of impacts of Bushfires:
Economic impacts Environmental impacts Social impacts. © Karen Devine 2010
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Bushfires The impact of bushfires includes:
loss of or damage to property loss of animal life loss of human life pressures on emergency services changes to ecosystems. © Karen Devine 2010
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Individual Responsibility
Clearing of flammable materials around houses. Clearing debris out of rain gutters Formulate emergency response plan Clear branches which overhang houses Prepare a bushfire emergency kit. Establish hoses around perimeter Do not flick cigarettes out of car windows Take care with sparks from machinery Extinguish all BBQ’s Heed warnings. © Karen Devine 2010
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Group Responsibility Businesses must develop an evacuation plan
Develop and train bushfire services. © Karen Devine 2010
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Governmental Responsibility
Develop state emergency plans Fund and train emergency services Evaluate responses after major incidents Prosecute arsonists Develop “red alert” strategies. © Karen Devine 2010
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Pause Point. Bushfires in Victoria February 2009.
© Karen Devine 2010
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