land use in cairns - geography education centre
TRANSCRIPT
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Land Use in Cairns
Group D!!!
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General Characteristics
• Climatic Factor– Sub-tropical &
Tropical• Abundant
sunlight• Insufficient
rainfall in highland
• Geological Factor– 3 Steps
• Interactive Effect
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Land Uses Found in Cairns
• Natural Conservation Area• Agricultural • Recreation
– - Tourism• Industrial
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Natural Conservation Area
• Examples: • Kuranda• Danbulla National Park• Usually located • at higher altitude
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Agricultural
• Example:• Mareeba-
DimbulahIrrigation Channel
• Usually located in flat land
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Recreational
• Examples:• Barron River & Lake Tinaroo• Yungaburra• Malanda Falls• Lake Eacham and Lake Barrine• Usually located:• randomly• next to the natural resources
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Industrial
• Examples:• Gordonvale• Usually located in flat land
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Characteristics of the land uses
• Agricultural:• Mostly fruit and sugar canes• Few vegetables only• Extensive in scale, especially for sugar
canes• Advanced Farming e.g. the use of
machinery in irrigations• Commercial Farming e.g. Lemons,
Mangos, Maize
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• Recreational:• Based on natural resources • Random Location• Industrial:• Near to city areas
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Land Use Change
Natural Environment
Deforestation
Agriculture Natural Conservation Area
Industrial
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Physical driving force on land use changes
Effect on agricultural land use
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Physical driving force on land use changes
• 1. climate– temperature
• Mean maximum temperature -25.7 in JulyMean maximum temperature -31.4 in January suitable for agriculture
• lapse rate temperature still moderate
– rainfall• at least 1500mm annually
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Physical driving force on land use changes
– pioneer species able to grow in harsh environments. heat resistant, drought resistant – prominent in rain shadow area
– Horizontal variation• high endemism – high species diversity, low
species density – so species are vulnerable to disappear.
• late-succesional species are unable to grow when introduced into a disturbed or open site.
– Vertical variation• species verify with increase in height
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Physical driving force on land use changes
2. Relief– Flatland
• Tableland• Low land extensive farming• water holding capacity• effective irrigation• Encourages to change the • land use
– High accessibility
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Physical driving force on land use changes
3. Soil– volcanic
• fertile• basaltic clay looms to sandy looms of granite• alluvial• high water holding capacity• easy to till
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Driving Forces of Land Uses Change
Human Factors:– Political
• Prohibition of Tobacco Farming• Promotion of World Heritage Area
– Technology• Irrigation Project
– Economical• The Rise of Ecotourism