Australia's Natural Environment and Natural Hazards

1. Natural Environment

1.1. Land

1.1.1. oldest land surface on earth

1.2. Water

1.2.1. the driest inhabited continent

1.3. Biodiversity

1.3.1. most biologically diverse countries

1.4. Flora and Fauna

1.4.1. Acacia, Eucalyptus, Melaleuca, Grevillea and Allocasuarina..

2. Natural Hazards

2.1. Bushfire

2.1.1. what cause it

2.1.1.1. Fuel load

2.1.1.2. Fuel moisture

2.1.1.3. Wind speed

2.1.1.4. Ambient temperature

2.1.1.5. Relative humidity

2.1.1.6. Slope angle

2.1.2. where do bushfire occur

2.1.2.1. NSW

2.1.2.2. North Queensland

2.2. Cyclone

2.2.1. Definition

2.2.1.1. Severe wind

2.2.1.2. Heavy rainfall

2.2.1.3. Storm surge

2.2.2. Where do Cyclone occur

2.2.2.1. north west Australia

2.2.2.2. north east Queensland

2.3. Earthquake

2.4. Flood

2.5. Others

2.5.1. Severe Weather

2.5.2. Tsunami