Australia is vulnerable to changes in temperature and precipitation projected for the next 50 to 100 years because:
- extensive arid and semi-arid areas SE & SW droughts
- relatively high rainfall variability from year to year
- existing pressures on water supply in many areas
- high fire risk
- high concentration of population in coastal areas Erosion & Inundation 8- 88 cm
- economy strongly dependent on world commodity prices
Fig.1. Changes of average annual warming and rainfall.
- tourism dependent on the health of fragile ecosystems invasion by exotic animal and plant species introduced. SW & Western Australia Endangered species or extinct Great Barrier Reef Bleaching & substantial losses of species associated Lord Howe Island extinction ( reef-fringed lagoon 94 spp, 490 fish species) Inland waters 80% loss of freshwater wetlands/floods/rising salinity
Fig.2. Change influences recruitment of some fish species and the incidence of toxic algal blooms.
IMPACTS OF CLIMATE CHANGE IN NEW SOUTH WALES STATE Fig.3. Australian States
Tabla.1. Future New South Wales scenarios Source : Future Climate Change in Australia- CSIRO 2002 .