Year 12 ATAR Geog U3 overview

What is the definition of environment?

• Where we live

• –Are everything around us, both living (biotic) and non-living (abiotic).

• The living and non living things around us, created by man

• Urban areas are man made environments

What are the four main components of the Earth?

• Hydrosphere, Cryosphere, Atmosphere, Biomes

• Climate, weather, ecosystems, man

• Lithosphere, Hydrosphere, Biosphere, Atmosphere

• Lithosphere, natural biomes, anthropogenic biomes

What are natural biomes named after?

• The person who found them

• The dominant vegetation type in the area

• The dominant animal type in the area

• Where they are found

Define sustainability

• Meeting the needs of today and future populations

• Meeting the needs of today and the next generation in environmental, social and economic ways

• Meeting the needs of today without compromising the ability of future generations to meet their needs which we have projected.

• Meeting the needs of current and future generations through simultaneous environmental, social and economic adaptation and improvement.

What is an anthropogenic biome?

• Biomes that are the result of sustained direct human interactions with ecosystems.

• Biomes where humans live

• Biomes where humans grow food

• Biomes that have been rehabilitated

Define climate change

• When we get lots of rain in summer

• Climate change is a significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years.

• Climate change is when the weather is more unpredictable than it was 30 years ago

• Climate change is when we have global warming an a faster rate than before.

The permanent removal of trees and often their associated vegetation for non-forest uses is the definition of...

• Intensification of agriculture

• Urban growth

• Deforestation

• Rangeland modification

Between 1961 and 1996 food production doubled and arable land increased by ... %

• 2%

• 5%

• 10%

• 20%

Salinity is an example of what?

• Soil compaction

• Drought

• Loss of soil structure

• Land degradation

What does the picture show an example of?

• Irrigation

• Drainage

• Land reclamation

• Rural depopulation