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Dams

Artificial waterbodies created for the storage of water.

 

MILLENNIUM ECOSYSTEM ASSESSMENT REPORTING CATEGORY

Urban Ecosystems

 

What ecosystem functions do dams perform?

Dam water storage capacity varies depending on intended purpose e.g. Hinze Dam stores large amounts of water for community consumption; farm dams are smaller and generally created to support livestock.

 

More information to come soon

 

Table 1 presents the relative magnitude dams perform different ecosystem functions (relative to other ecosystems) in SEQ.

 

Table 1:The relative magnitude (to other Ecosystem Reporting Categories) dams perform each ecosystem function.

Ecosystem Function Category Ecosystem Function 0
1
2
3
4
5
Regulating Functions
Gas Regulation            
Climate Regulation            
Disturbance Regulation            
Water Regulation            
Soil Retention            
Nutrient Regulation            
Waste Treatment and Assimilation            
Pollination            
Biological Control            
Barrier Effect of Vegetation            
Supporting Functions
Supporting Habitats            
Soil Formation            
Provisioning Functions
Food            
Raw Materials            
Water Supply            
Genetic Resources            
Provision of Shade and Shelter            
Pharmacological Resources            
Cultural Functions
Landscape Opportunity            

 

What types of dam are in SEQ?

Dams can range in size and purpose such as individual dams on private properties (usually constructed of earthen walls and used as watering points for livestock) to large commercial enterprises storing water for multiple purposes (usually constructed of concrete and requiring various degrees of treatment depending on the intended purpose of the water).

 

What is the area and extent of dams in SEQ?

 

Dams such as Wivenhoe store and release water for human consumption, flood mitigation and environmental purposes.

Links to other publications and websites

SEQ Water - Dams and Weirs
SEQ Water - Interactive Map
SEQ Water Strategy


Dam ecosystems cover approximately 186 km2, .074% of SEQ. This map shows there are fourteen major dams and water storages in SEQ. Major dams include Lake Wivenhoe (Upper Brisbane Catchment), Lake Sommerset (Upper Brisbane Catchment), Lake Samsonvale (Pine Rivers Catchment) and Advance Town Lake (Hinze dam, Gold Coast Catchment). It is recognised that many other smaller dams also exist on private property across SEQ but are not mapped (these datasets have recently been obtained and will be included in future versions of this map).

  

What is the vulnerability of dams and threats to this ecosystem in SEQ?

 

More information to come soon 

 

 

How do we manage dams in SEQ?

More information to come soon