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Salinization in the Murray Darling (Secondary Salinity (Catagories…
Salinization in the Murray Darling
Primary Salinity
Due to
Low Rainfall
High Evaporation
Natural
Background
Murray Darling
Multiple-use resources
Small Amount of Water
Due to
Low Rainfalls
high level of Evaporation
Diversion of water upstream
Domestic
Agricultural
Industrial
Salinity Levels
Exceeds
WHO Standards
Lack of Fresh Water
Negatively Affect
Ecological Interrgrity
Coorong Wetlands
Surrounding Areas
Less Biodiversity
Australia
Driest Continent
South Australia
Driest State
Adelaide
Depends On
#
Secondary Salinity
Catagories
Dryland Salinity
Clearing Vegitation
For
Create Pastures
Timber
Crops
Less absorption from Plants
More Infiltration
Water Table Rises
Brings Up Natural Salts
Runoff with Natural Salts
1 more item...
Irrigation Salinity
Exessive watering
Water Pumped out
Change salt balance
Soil and Water
Natural
Human intervention
Europeans Arrived
#
Cuases of secondary Saltiness
Use of
Irrigated Agriculture
Land For Farming