Section I: Australia – Location and Political Divisions
Location of Australia: Latitudes, Longitudes, and Surrounding Water Bodies
Australia lies entirely in the Southern Hemisphere between the Indian Ocean and the South…
The continent stretches from 10° S to 44° S latitude and from 112° E to 154° E longitude. The Tropic of Capricorn (23½° S) passes almost through the middle of this continent. The Indian Ocean washes its shores in the west, the Pacific Ocean lies to its north and east and the Southern Ocean borders Australia in the south.
Neighbouring Countries of Australia: Maritime Boundaries and Strategic Location
Neighbouring countries of Australia: Australia is separated from Indonesia by the Arafura Sea.
The Torres Strait separates it from the islands of Papua New Guinea. The Bass Strait forms the border between Australia and New Zealand and the Southern Ocean lies between the island continent and Antarctica.
Political Divisions of Australia: States and Territories
Politically, Australia is divided into six self-governing states and two centrally administered territories. The self-governing states are Queensland, New South Wales, Victoria, South Australia, Western Australia and Tasmania.
The centrally administered territories are Northern Territory and Australian Capital Territory.
Section II: Physical Divisions of Australia
The entire continent of Australia presents a flat lowland topography. Australia does not have high mountains like our Himalayas. The mean elevation of the land in Australia is only 300 m above sea level. Only 5% of the continent is more than 600 m above sea level. It has a 34,218 km long coastline, which is more or less regular. There are two major indentations—Gulf of Carpentaria in the north, and the Great Australian Bight in the south.
We can divide Australia into three major physical divisions—Western Plateau, Central Lowlands and Eastern Highlands.
The Western Plateau: Ancient Plateau with Mineral Wealth and Deserts
The western part of Australia is a vast plateau covering more than half of the country. It includes Western Australia, the Northern Territory and the larger part of South Australia. Its average elevation is 365 m above sea level. It is an ancient plateau made up of very hard rocks. The western margin of the plateau drops abruptly to the sea.
There are a few low mountain ranges that rise from the flat plateau with peaks exceeding 1000 m. They are the Darling range, the Hamersley range, the Macdonnell range and the Musgrave range.
The most interesting feature here is the largest single rock—the Ayers Rock. In local language the Ayers rock is called Uluru meaning ‘place where the wind moans between dawn and dusk’. Much of the interior of the plateau is desert—the Great Sandy Desert, the Gibson Desert and the Great Victoria Desert.
The Western Plateau is rich in mineral resources. It has deposits of iron ore, uranium, lead, copper, nickel, zinc. Cultivable land and livestock stations are located in the southern part of the plateau.
The Central Lowlands: Great Artesian Basin, Lake Eyre Basin, and Murray-Darling Basin
The low-lying region between the Western Plateau and the Eastern Highlands is known as the Central Lowlands. They extend from the Gulf of Carpentaria in the north to Encounter Bay on the southern shores.
The Central Lowlands can be divided into three smaller regions.
- The Great Artesian Basin
- Lake Eyre Basin
- Murray-Darling Basin
The Great Artesian Basin: World’s Largest Groundwater Reservoir
The Great Artesian Basin is located mainly in the states of Queensland and New South Wales. It is the world’s largest artesian basin known for groundwater reserves. The artesian basins are extensively tapped for irrigation purposes.
An Artesian Basin is a flat land where a layer of permeable or porous rock is sandwiched between two layers of impermeable rocks. Take a closer look at the diagram of an artesian well and you will see that the rocks are arranged in a saucer-like formation.
Rainwater falling on the earth’s surface gets absorbed into the porous rock and flows down the slope…
…It gets trapped between the layers of impermeable rock and acts as a huge reservoir. This is known as an aquifer. As water keeps its level, it gushes out of a hole drilled in the centre of the artesian basin called a well. The water keeps flowing out of this well continuously and automatically. Such a well is called an artesian well.
The Lake Eyre Basin: Inland Drainage and Salt Lake Region
The Lake Eyre Basin is a large area of inland drainage in the central part of the lowlands. Inland drainage area is an area where rivers disappear without reaching the sea. Lake Eyre is a shallow salt-water lake. A number of rivers disappear here without reaching the sea. Though it covers a large area, it remains dry with a white saltpan on the surface. It is about 100 m below the sea level. This basin was named after EJ Eyre who discovered it in 1840.
The Murray-Darling Basin: Fertile Agricultural Region of Australia
The Murray-Darling Basin derives its name from its two major rivers—the Murray River and the Darling River. Both rivers originate in the Eastern Highlands and drain into the southern seas in a south-westerly direction. The Murray is a perennial river covering a distance of 2,574 km. The Murrumbidgee, which is a major tributary of the Murray River also drains this basin. The Darling is the longest river of Australia. It is erratic and changes its course during heavy rain. The Murray-Darling Basin is the most fertile part of Australia.
The Eastern Highlands: Great Dividing Range and Great Barrier Reef
This region consists of a long arc-shaped range of mountains called the Great Dividing Range. They run parallel to the east coast for almost 2,000 km—from Cape York Peninsula in the north to the Bass Strait in the south. The average altitude is about 900 m. These highlands are low and broad in the north, but high and narrow in the south. The highlands have steep slopes towards the east and gentle slopes on the western side. The important ranges include Blue Mountains and the Australian Alps. A number of rivers descend from these mountains, including big rivers such as Murray and Darling. Most of these rivers have been harnessed for hydroelectricity. Mt Kosciuszko (2,228 m), the highest peak in Australia, is located in the Eastern Highlands.
The Great Barrier Reef: World’s Largest Coral Reef
Off the north-east coast of Australia lies the Great Barrier Reef, the largest coral reef in the world. It is a unique physical feature of the continent. Corals are tiny sea animals that live near the sea floor in the warm shallow waters. The animal secretes calcium carbonate, which remains and accumulates after its death. Later it gets consolidated into rocks. With the passage of time a great ridge-like structure is formed below the sea level. The Great Barrier Reef, which extends for about 2,000 km, is a tourist’s paradise. But it is also a great hazard to navigation.
Section III: Climate of Australia
Australia, being located in the Southern Hemisphere, is different from lands in the Northern Hemisphere. Can you tell in what way? Its seasons are exactly opposite to that of the Northern Hemisphere. Summer season is from December to February, autumn is from March to May, winter occurs between June and August and spring is from September to November. It is one place where Christmas is celebrated in summer season!
Factors Affecting the Climate of Australia
The two most important factors affecting the climate of Australia are latitude and direction of the mountain ranges.
Latitude: The Tropic of Capricorn passes through the middle of Australia and so the northern part of the country experiences tropical climate while the southern part has temperate climate.
Direction of the mountain ranges: The Eastern Highlands run virtually parallel to the east coast. The eastern coastal region receives very heavy rainfall because the winds that come from the ocean, strike against the mountain and shed all their moisture. During the summer months a low pressure area develops over the western plateau. This attracts the monsoon winds from south-east Asia, which give rainfall to the northern coast.
Climatic Types of Australia
The climatic regions of Australia can be broadly divided into tropical monsoon type, temperate type, desert type and mediterranean type.
Observe the climatic map of Australia and answer these questions.
- Which climatic type is most predominant in Australia?
- Name the parts of the continent that experience Monsoon and Mediterranean types of climate, respectively.
Tropical Monsoon Climate: Northern Australia with Wet and Dry Seasons
- Northern Australia experiences tropical monsoon type of climate with alternate wet and dry seasons.
- There is seasonal reversal in the direction of wind, called the monsoon wind.
- The region receives more than 100 cm of rainfall, which occurs mostly in the summer season.
- Winters are cool and dry.
Temperate Climate: Murray-Darling Basin and Tasmania
- This type of climate prevails in the Murray-Darling Basin and Tasmania.
- The summers are hot and moist.
- The winters are cold.
- Moderate rainfall occurs in this region throughout the year.
Desert Climate: Arid Interior of Australia
- As one moves southwards, the rainfall decreases, giving way to desert type of climate.
- A large part of the continent falls under this climatic belt.
- Here rainfall is less than 25 cm.
- Summers are hot and winters are cool.
- It is found in the Great Sandy Desert in the north-west, the Great Victoria Desert in the south and Gibson Desert in the centre.
Mediterranean Climate: Southern Australia with Dry Summers and Wet Winters
- The southern part of Australia experiences Mediterranean type of climate.
- Here the summers are hot and dry and the winters are cold and wet.
- These coastal regions of Australia come under the influence of the westerly winds.
Tropical Cyclones in Australia
Tropical cyclones are common in Northern Australia during the months of December to April. These cyclones are locally called Willy Willies.
Section IV: Natural Vegetation and Wildlife of Australia
The different climatic regions of Australia have their own unique natural vegetation. The eucalyptus is the most common tree found here. It is also known as the gum tree. It is a tall evergreen tree, with grey-green leaves. Numerous varieties of eucalyptus grow in Australia, depending on the climatic conditions.
Natural Vegetation Types of Australia
The tropical forests in the monsoon regions of the north have hardwood trees like palm and bamboo. Some areas of tropical forests have been cleared for cultivation. The tropical grasslands have tall grasses.
The hot desert region in the interior has thorny bushes and scrubs. The vegetation here includes wattle, acacia, saltbush and porcupine grass. Saltbush is used as fodder for cattle.
The Mediterranean region in the southern coast has short evergreen trees and bushes like karri and jarrah.
The temperate forests of the Murray-Darling basin have trees like pine, birch and eucalyptus. The trees that grow in these forests are deciduous in nature. The softwood obtained from these trees is used in the paper industry. Temperate grasslands, known as Downs, are found in areas of less rainfall.
Wildlife of Australia: Unique Marsupials and Birds
The animals and birds found in Australia are unique and some of them are not found in any other part of the world. This is so because the Australian continent is one of the world’s oldest places, which has remained separated from other continental masses for over a period of a million years.
Marsupials: Kangaroos and Koalas
Most of the Australian native mammals are marsupials. You may have seen a kangaroo. It carries its young in a pouch near the stomach. That is the characteristic feature of a marsupial. Kangaroos are the most common animal of Australia, with about forty varieties present. They are also known as roos. They are herbivores.
The koala is another famous native animal of Australia. It is also a marsupial. Koalas cling on to eucalyptus trees and feed on the leaves and bark of the tree. Their population suffered a decline as they were hunted for their soft fur. They have now been classified as an endangered species and are protected by law.
Duck-Billed Platypus: Egg-Laying Mammal
The duck-billed platypus is a strange looking animal of Australia. It has four webbed feet and a duck-like beak. Though it is a mammal, it lays eggs. It lives in burrows near water bodies. It swims with its legs and ears closed. The flat bill acts as radar which informs the platypus where worms are to be found.
Dingo: Australia’s Wild Dog
The dingo is a wild dog that inhabits the dry plains and forests of Australia. It is a carnivorous animal that hunts alone or in small packs. Dingoes are nocturnal animals. They don’t bark but may sometimes howl.
Unique Birds: Lyrebird, Emu, and Kookaburra
The lyrebird is typical of Australia. It has a huge tail shaped like a lyre (a musical instrument). It is the largest and the most unusual singing bird. It can whistle and imitate the voice of other birds. Emu is a large flightless bird very common in Australia. The kookaburra belongs to the kingfisher family. Its laughing call is one of the best-known sounds of the animal world and so it is also known as the ‘laughing jackass’.
Section V: Resources of Australia
Although large areas of Australia, particularly the western and the central parts, are barren, Australia is economically a developed nation. This is due to the availability of natural resources and the hardworking people of the country. In this chapter, we shall explore the continent and find out how the people of Australia have utilised their natural resources.
Soil Resources of Australia
The Murray-Darling Basin and the south-east coastal plain are the only fertile regions of Australia. In the tropical forests and grasslands the soil is of poor quality and in the desert region soil cover is almost absent.
Water Resources of Australia: Rivers, Lakes, and Artesian Basins
The continent of Australia is not particularly well endowed in water resources. Annual rainfall is low in most of the regions. Only the tropical region in the north, the Eastern Highlands, the south-eastern and south-western coasts and Tasmania receive moderate to high rainfall.
The Murray-Darling basin is the largest river basin in Australia. It drains major parts of Victoria, New South Wales and Southern Queensland. Most of the other rivers are short and erratic. The waters of the Murray-Darling are used for irrigation, generation of hydroelectricity and other purposes.
The Great Artesian Basin of Australia is the largest of its kind in the world and is known for its abundant groundwater reserves. About 20% of the water used in Australia for drinking, irrigation and industrial purposes is groundwater.
Australia has many lakes—the coastal lakes like Lake Alexandria; freshwater lakes like Lake George; volcanic lakes like Blue Lake and man-made lakes like Blowering Dam. The largest lakes in Australia are Lake Eyre and Lake Torrens while St Clair is the deepest.
Forest Resources of Australia
Australia has very little forest cover. Tropical forests are found in the north and north-east while temperate forests are found in the Eastern highlands and Tasmania. Timber obtained from these forests is used to produce furniture, wooden boards and paper.
Agriculture in Australia: Crops and Farming Practices
Large parts of Australia are desert or semi-desert regions and only 4% of its total area is under cultivation. The main agricultural regions lie in the Murray-Darling Basin in the south-east and the Mediterranean region in the south-west, where the soils are fertile and water supply is adequate.
In areas of less rainfall, crops are grown with the help of irrigation. Artesian wells are extensively used to irrigate the fields.
Like all other developed countries of Western Europe and North America, the farms in Australia are characteristically very large and mechanised. The land is almost level. This facilitates the use of modern machines for various agricultural operations.
Main Crops of Australia
Wheat is the most important crop of Australia. It is one of the largest producers and exporters of wheat in the world. The main wheat-producing states are New South Wales, Victoria and Western Australia.
Rice is grown in the irrigated areas along the Murray River and the heavy rainfall areas in the north. Sugar cane is grown in the coastal region of Queensland, where there is plenty of rain during monsoon. Maize, barley, oats and tobacco are also grown.
Tropical fruits like banana, papaya and pineapple are grown in the northern tropical region while the Mediterranean regions of Australia grow citrus fruits like grapes and oranges. Apples are grown in plenty in Tasmania.
Animal Rearing in Australia: Sheep and Cattle Farming
Sheep Rearing: Australia’s Largest Wool Producer
Sheep rearing is the most important pastoral activity in Australia, where nearly 60% of the land is under pastures. Sheep are reared for wool and meat. The country has the largest number of sheep in the world. It is also the biggest producer of wool in the world.
The major part of Australia receives less than 25cm annual rainfall. Here only short grasses and thorny scrubs can grow. This is good food for the sheep.
New South Wales, South Australia, Queensland and Western Australia are the main sheep rearing states. Extensive sheep rearing has resulted in the growth of the woollen textile industry in Australia. The Australian Merino sheep provides the finest quality wool in the world.
Sheep rearing is practised in very large farms called sheep stations. In Australia, the owner of a sheep station is called a grazier. These sheep stations are modern self-sufficient villages. The labourers are provided with housing, water and electricity. The workers in the sheep stations are called jackaroos. A sheep station is divided into a number of fields with the help of fences. These are called paddocks.
Jackaroos look after the sheep with the help of dogs, mostly dingoes. Nutritious grasses like alfalfa are grown to feed the sheep. Apart from looking after the livestock, the jackaroos maintain station equipment, repair fences and gates and also do farm work.
In spring or early summer, as the wool of the sheep grows thick, the shearing season starts. Shearing is the removal of fleece from the body of the sheep. It is done by expert shearers who use electric shearing machines. The wool is cleaned, sorted, graded and packed in bales, which are sent for sale to the market. About 90% of the total wool produced in Australia is exported, earning a lot of foreign exchange. Melbourne and Sydney are the main trading centers.
Cattle Rearing: Beef and Dairy Production
Cattle rearing is practised in the tropical and temperate grasslands of Australia. Cattle are reared for beef and dairy products. The grasslands provide rich pasture for cattle and fodder crops are also cultivated to supplement the grass.
Dairy cattle are raised in the wet plains of southern Queensland, New South Wales and Victoria. The temperate climate and sufficient rain are favourable for the growth of nutritious grass for the cattle. The dairy farms are managed with the help of advanced technology. Most of the milk is processed and converted into milk products such as butter, cheese, milk powder and condensed milk. Cattle farms near big cities supply fresh milk to city dwellers. Advanced refrigeration facility has helped in distant transportation of the products.
Beef cattle are mostly reared on the savanna grasslands of northern Queensland and Northern Territory. This region is the largest producer and exporter of beef in Australia.
Fisheries in Australia
Australia has the world’s third largest fishing zone. Fishing is carried out as a major commercial activity in the Northern Territory. Estuary fishing, fresh water fishing and reef fishing are common. The Darwin Harbour is a famous fishing spot. Barramundi, greenfish, giant trevally are prize catches. However, over-fishing is emerging as a serious threat to Australia’s marine life. In order to counter this, fish farming is being practised extensively.
Minerals of Australia
Australia has vast deposits of minerals. The major mineral deposits found in the country are coal, iron ore, bauxite, gold, lead and petroleum.
Gold: The country has huge deposits of gold. The discovery of gold in south-western Australia in the early 1850s attracted Europeans and Americans to the continent. It was known as the ‘Great Gold Rush’. The principal mining areas are in Kalgoorlie and Coolgardie in Western Australia and Roseberry in Tasmania.
Coal: New South Wales is the leading producer of coal in Australia. The city of New Newcastle in this state is sometimes called the ‘Pittsburg of Australia’.
Iron ore: South Australia and Western Australia have huge deposits of iron ore. The availability of iron ore has made Australia a leading manufacturing country in the Southern Hemisphere.
Bauxite: Queensland has abundant reserves of bauxite. It is also mined in Western Australia and the Northern Territory. Today Australia is one of the leading producers of aluminium in the world.
Uranium: The existence of uranium in Australia has been known since 1890s but they have been exploited only recently. Important uranium mines are located in the south.
Lead and zinc: Australia is the third largest producer in the world of these two minerals. New South Wales, particularly, has large deposits of lead and zinc.
Petroleum: Oil and natural gas are found in Queensland, Western Australia, South Australia and the Bass Strait. Large reserves of natural gas are found in Gippsland Basin in Victoria, Cooper Basin in Central Australia and the North-West Sheef region in Western Australia.
Section VI: Industries of Australia
A variety of industries have developed in Australia. Some derive their raw materials from agriculture, others from minerals. The industrial centres are mostly located in places where raw materials are easily available. Availability of cheap electricity is another determining factor in the location of industries. Easy transportation of raw materials and finished products by sea route has resulted in the development of industrial centres near the coasts. New South Wales and Victoria are the main industrial states of Australia.
Vast reserves of iron ore and coal have encouraged the development of the iron and steel industry in the country. Aluminium industry, ship-building, oil refining and chemical engineering are other important mineral-based industries.
Australia has an abundant supply of agricultural raw materials, which has led to the growth of cotton and woollen textile, sugar, dairy products, meat packaging and food processing industries. Australia’s wine industry has grown in the recent years. The production of wine is highly mechanised. South Australia is famous for its wine. The horticulture industry is the second largest rural production industry in Australia after wheat.
Fruits like oranges, table grapes, mangoes, custard apples, lichees, pineapples, apples and vegetables like asparagus, carrots and cauliflowers are exported. Macadamia nuts have a great demand all over the world.
Australia is a major exporter of cotton and woollen garments, dairy products and meat. The principal items of import are clothes, computers, toys, games, machinery, transport equipment, telecom equipment, crude oil and petroleum products. The main industrial centres are at Melbourne, Sydney, Adelaide, Perth, Brisbane and Darwin.
Section VII: People of Australia
Population Density and Distribution in Australia
With an area of 7.69 million sq km, the island continent of Australia is twice the size of India and Pakistan taken together but its population density is only 2 persons per sq km. The total population is about 20 million. The density of population is low because of the nature of the topography and extreme climatic conditions.
A large uninhabited portion in the interior is called the Dead Heart of Australia. The sparsely populated regions are Western Australia, Northern Territory, Queensland and South Australia.
Population is mostly concentrated along the eastern and southern coasts, especially in the three states of New South Wales, Victoria and Tasmania. Let us see why people prefer to live in these parts.
Although a number of Australians are engaged in farming and animal rearing, about 85% of them live in cities. Around six million people are concentrated in Sydney and Melbourne alone. Other big cities are Brisbane, Darwin, Perth, Adelaide, Hobart and Canberra.
Native Australians: Indigenous People
The native people of Australia are known as the Indigenous Australians. They were originally nomadic people who practised hunting and gathering.
European Settlers and Multicultural Population
According to a recent census, about 88% of the people living in Australia are descendants of European settlers, mostly British. The first settlers from Britain arrived near Sydney in 1788. Most of them were British convicts, who were sent to Australia to serve their sentences. Later, especially after World War II, more people from Britain and other European countries came to settle in Australia.
Nowadays, people are emigrating to Australia from many Asian countries too, particularly China and India. This has led to an increase in population.
Section VIII: Transport in Australia
A good transport network connecting all towns and cities is essential in Australia since they are located far away from each other.
Railways: Trans-Australian and Regional Networks
Railways are the most important means of transport in Australia. They are owned by the government and have been built to suit the needs of individual regions. Railways mainly link the coastal cities to the interior. The Trans-Australian Railway runs from Perth in the west to Sydney in the east. This is the only trans-continental railway linking the entire length of the continent. It is 4,352 km long!
Airways: Domestic and International Connectivity
Air transport is very popular in Australia. Australia is a large continent and has vast uninhabited areas where there are no roads or railways. Towns are scattered all over the continent. Regular domestic air services are available in all cities and towns—even in the far and remote areas.
International air services link Australian cities to other important cities of the world. Sydney, Melbourne, Perth and Darwin are the major international airports. Qantas is Australia’s only international airline.
Roadways: Commonwealth Highways and Stuart Highway
Roads in Australia run parallel to the railway lines and connect all the state capitals and towns. The major national highways are called Commonwealth Highways. The Stuart Highway, which links Adelaide in the south to Darwin in the north, is the longest highway in Australia.
Waterways: Seaports and Maritime Transport
Ships are an important mode of transport for the movement of bulky goods to and from other countries. All the major cities of Australia are also seaports, which are connected to each other by regular steamer service. Sydney is the largest and the busiest seaport in Australia.
Major Cities of Australia
Sydney is the most populous city of Australia. It is located on the south-east coast, in the state of New South Wales. Built around Port Jackson, it is often referred to as the ‘Harbour City’. The Sydney Harbour is Australia’s most important centre of international trade. The Sydney Opera House and the Sydney Harbour Bridge attract many tourists from all over the world.
Melbourne is another important centre of industry, commerce and cultural activity. It is often called the ‘sporting and cultural capital’ of Australia.
Canberra is the capital of Australia. It is located at the northern end of the Australian Capital Territory. It houses the Parliament, the High Court and many government departments and agencies. The National Gallery of Australia and the National Museum of Australia, located in Canberra, are significant places of cultural interest.
Frequently Asked Questions About Australia
What are the major physical divisions of Australia?
Australia is divided into three major physical divisions: the Western Plateau (ancient plateau covering more than half the country, rich in minerals), the Central Lowlands (including the Great Artesian Basin, Lake Eyre Basin, and Murray-Darling Basin), and the Eastern Highlands (Great Dividing Range with Mt Kosciuszko as the highest peak). The Great Barrier Reef lies off the north-east coast.
What are the climatic types found in Australia?
Australia experiences four main climatic types: Tropical Monsoon climate (northern Australia with wet and dry seasons), Temperate climate (Murray-Darling Basin and Tasmania), Desert climate (large interior areas with less than 25 cm rainfall), and Mediterranean climate (southern Australia with dry summers and wet winters). The Tropic of Capricorn passes through the middle of the continent.
What is the Great Artesian Basin and why is it important?
The Great Artesian Basin is the world’s largest artesian basin, located mainly in Queensland and New South Wales. It is important for its abundant groundwater reserves, with about 20% of Australia’s water for drinking, irrigation, and industrial purposes coming from groundwater. Artesian wells are extensively used for irrigation in agricultural areas.
What are the unique animals found in Australia?
Australia has unique wildlife including marsupials like kangaroos (forty varieties, known as roos), koalas (cling to eucalyptus trees), the duck-billed platypus (egg-laying mammal), dingo (wild dog), and unique birds like lyrebird, emu (large flightless bird), and kookaburra (also called laughing jackass). These animals are found nowhere else due to Australia’s long isolation.
What are the main agricultural activities in Australia?
Australia’s main agricultural activities include wheat cultivation (largest crop, grown in New South Wales, Victoria, and Western Australia), sheep rearing (largest number of sheep and biggest wool producer in the world, with Merino sheep providing finest quality wool), cattle rearing (beef and dairy), and sugar cane, rice, and fruit production. Farms are large and mechanised.
What are the major minerals found in Australia?
Australia has vast mineral deposits including gold (Great Gold Rush in 1850s), coal (New South Wales leading producer), iron ore (South and Western Australia), bauxite (Queensland, leading aluminium producer), uranium, lead and zinc (third largest producer), and petroleum (oil and natural gas found in Queensland, Western Australia, and Bass Strait).
What is the Great Barrier Reef and its significance?
The Great Barrier Reef is the largest coral reef in the world, extending for about 2,000 km off the north-east coast of Australia. It is formed by coral polyps secreting calcium carbonate over time. It is a major tourist attraction and a significant ecological feature, though it poses navigation hazards. It has been designated as a World Heritage site.
What is the population distribution pattern in Australia?
Australia has a total population of about 20 million with a very low density of only 2 persons per sq km. The population is highly concentrated along the eastern and southern coasts, especially in New South Wales, Victoria, and Tasmania. The interior is sparsely populated and called the Dead Heart. About 85% of Australians live in cities, with Sydney and Melbourne having around six million people.
What is the significance of the Murray-Darling Basin?
The Murray-Darling Basin is the largest river basin in Australia, draining parts of Victoria, New South Wales, and Southern Queensland. It is the most fertile agricultural region in Australia, supporting wheat cultivation, sheep and cattle rearing. The Murray River (perennial, 2,574 km) and Darling River (longest river) are its major waterways, used for irrigation and hydroelectricity.
What are the major industries in Australia?
Australia’s major industries include iron and steel, aluminium, ship-building, oil refining, chemical engineering, cotton and woollen textiles, sugar, dairy products, meat packaging, food processing, and wine production (South Australia famous for wine). Industrial centres are at Melbourne, Sydney, Adelaide, Perth, Brisbane, and Darwin. Australia is a major exporter of agricultural and mineral products.
What is the transport network like in Australia?
Australia’s transport network includes railways (most important, Trans-Australian Railway connecting Perth to Sydney), airways (regular domestic and international services, Qantas is the international airline), roadways (Commonwealth Highways, Stuart Highway longest), and waterways (sea routes with Sydney as the busiest seaport). Transport is crucial due to large distances between cities.
Who are the native people of Australia?
The native people of Australia are the Indigenous Australians, who were originally nomadic people practising hunting and gathering. Today, about 88% of the population are descendants of European settlers, mostly British who arrived in 1788. Recent immigration from Asian countries like China and India has further diversified the population.
Why is Australia called the “island continent”?
Australia is called the “island continent” because it is a continent that is also a single island, surrounded by water on all sides. It is the smallest continent and the sixth-largest country in the world. Its isolation for millions of years has resulted in unique flora and fauna found nowhere else in the world.
What is the highest peak in Australia?
The highest peak in Australia is Mt Kosciuszko (2,228 m), located in the Eastern Highlands (Great Dividing Range). Unlike other continents with very high mountains like the Himalayas or Andes, Australia’s mountains are relatively low, with the mean elevation of the continent being only 300 m above sea level.
What are the seasons in Australia compared to the Northern Hemisphere?
Australia, being in the Southern Hemisphere, has opposite seasons to the Northern Hemisphere. Summer is from December to February, autumn from March to May, winter from June to August, and spring from September to November. This means Christmas is celebrated during the summer season in Australia.
Conclusion
Australia stands as a continent of remarkable contrasts and unique characteristics that set it apart from all other landmasses on Earth. As the world’s smallest continent and largest island, its isolation for millions of years has resulted in extraordinary biodiversity, with marsupials like kangaroos, koalas, and the platypus found nowhere else. The continent’s physical geography is characterized by its ancient Western Plateau, vast Central Lowlands with the world’s largest artesian basin, and the Eastern Highlands with the Great Dividing Range and the magnificent Great Barrier Reef.
The climate of Australia, ranging from tropical monsoon in the north to Mediterranean in the south and desert conditions dominating the interior, has shaped its natural vegetation and agricultural patterns. The eucalyptus forests, tropical hardwoods, and desert scrubs support a unique ecosystem adapted to Australia’s distinct climatic conditions. The continent’s seasons, opposite to those in the Northern Hemisphere, create a distinctive rhythm of life and celebration.
Despite its challenging arid interior, Australia has developed into a prosperous and developed nation through the wise utilization of its natural resources. The vast mineral wealth, including gold, coal, iron ore, bauxite, and uranium, has driven industrial growth. The fertile Murray-Darling Basin supports extensive agriculture, with Australia emerging as one of the world’s largest producers and exporters of wheat and wool. The extensive sheep stations and cattle ranches, managed by graziers and jackaroos, demonstrate the efficient utilization of pastoral lands.
The population, though sparse at only 2 persons per sq km, is concentrated in the vibrant coastal cities of Sydney, Melbourne, and Brisbane, where about 85% of Australians live. The cultural diversity, with Indigenous Australian heritage blending with European and Asian influences, creates a rich multicultural society. The transport network of railways, roads, airways, and seaports connects this vast continent, with the Trans-Australian Railway and the strategic maritime routes facilitating commerce and communication.
Australia’s unique position as an island continent, its distinctive flora and fauna, its varied climate zones, and its successful transformation from a penal colony to a prosperous, multicultural nation make it a fascinating case study in geography, history, and economic development. The continent continues to attract global attention for its natural wonders, including the Great Barrier Reef, Uluru (Ayers Rock), and its diverse wildlife, while addressing contemporary challenges such as water scarcity, climate change, and sustainable resource management.