Extreme climates

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Name 3 adaptations of the Eucalypt tree
1) Thick bark to avoid heat damage 2)Small leaves (smaller surface area), which reduces transpiration 3)Long roots which do not rot, which allows it to easily get moisture
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Name 2 adaptations of the Bilby
1)Burrows for cooler conditions underground 2)Nocturnal, thus avoids the daytime heat and dehydration
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Name 3 adaptations of the Red Kangaroo
1) It hops which is energy efficient and fast 2) It feeds at dawn and dusk, when it is coolest 3) It breeds only in the rainy season, as a hormone is released
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Natural causes of bushfires
High temperatures, low rainfall, major drought. Natural oils in the Eucalypt tree fuel fires
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Human causes of bushfires
Cigarettes/deliberate light blazes, power lines falling, climate change
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Explain Black Saturday
Victoria, 2009, 173 deaths, water contaminated with ash, 78 towns destroyed, livestock killed, stay and defend or leave early policy
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Explain El Nino
Warm winds are blown to South America, resulting in precipitation here, and less in Australia (drought)
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How can Human actions make drought worse?
Population growth, over cultivation, overgrazing, de-forestation
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list three impacts of drought
Loss of vegetation, leading to increased soil erosion. Loss of income due to failure of crops. Increased chance of severe bushfires
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What is intermediate technology?
Techniques which can be done locally, with little knowledge, free labour etc
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Name a local attempt to reduce the impacts of drought
Diguettes, Siguin Vousse, local farmers from the village built rocks at the edges of the land where the incline changes. These trap the soil, which has been eroded and therefore increase soil fertility and depth. Therefore higher productivity
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How has Australia adapted to drought and extreme weather?
Planting native vegeatation, which is sustainable. Storing flood water for irrigation, or grey water. Planting GM crops which are drought resistant.
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Explain Conservation farming
Example Zambia. Using techniques to make the land for productive in a sustainable way. Methods include, ploughing only where necessary (keeping soil fertility), Mixing several crops on one piece of land etc
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Global actions
Kyoto summit, 181 countries, MEDCs set targets to achieve regarding GHGs
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What are the problems and benefits of tourism regarding the culture of indigenous peoples?
Aboriginal people teach a sustainable lifestyle and are one of the world's most ancient tribes. Culture is threatened due to tourism, stereotypes can be formed, the culture can be exploited etc.
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Other cards in this set

Card 2

Front

Name 2 adaptations of the Bilby

Back

1)Burrows for cooler conditions underground 2)Nocturnal, thus avoids the daytime heat and dehydration

Card 3

Front

Name 3 adaptations of the Red Kangaroo

Back

Preview of the front of card 3

Card 4

Front

Natural causes of bushfires

Back

Preview of the front of card 4

Card 5

Front

Human causes of bushfires

Back

Preview of the front of card 5
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