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Dunes

Dunes are vegetated sand ridges.

 

MILLENNIUM ECOSYSTEM ASSESSMENT REPORTING CATEGORY

Coastal Ecosystems

 

What ecosystem functions do dunes perform?

 

Dune plants are salt tolerant, have low nutrient requirements and play an important role in retaining sand such as these on Bribie Island.

 

More information to come soon

 

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

 

Table 1:The relative magnitude (to other Ecosystem Reporting Categories) dunes 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 dunes are in SEQ?

 

More information to come soon.

This Ecosystem Reporting Category contains the following Regional Ecosystems: 12.2.1, 12.2.2, 12.2.3, 12.2.4, 12.2.6, 12.2.8, 12.2.9, 12.2.10, 12.2.13, 12.2.14, 12.2.16.

  

What is the area and extent of dune ecosystems in SEQ?

 

The sand dunes on Moreton Island are some of the largest in the world.

Sand dunes can easily be eroded when trampled by people and four-wheeled drives.

Links to other publications and websites

DEHP - Coastal Dunes
South East Biodiversity Strategy
Coastal Information Sheet
Field Studies Council - Sand Dunes

Dune ecosystems cover approximately 408 km2, 1.62% of SEQ. Large dune ecosystems occur in the Cooloola sand masses in the north of SEQ, Moreton Island and North Stradbroke Island. These are some of the highest coastal sand dunes in the world (e.g. Mount Tempest on Moreton Island). Other smaller sacttered dunes also exist along the coast of SEQ (for example in the Gold Coast).

  

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

 

More information to come soon

 

 

 

How do we manage dunes in SEQ?

 

More information to come soon