Drainage Improvement and Ecological Investigations of the Karragarra Island Wetland
Wetland remediation | Acid Sulfate Soil | Estuary and Coastal Management
Purpose
Karragarra Island Wetland is a coastal estuarine wetland complex currently in a degraded state due to changes in land use over a number of years. Redland City Council engaged AWC to investigate the causes of wetland degradation and make recommendations for improvements. These recommendations are supported by design documentation which provided guidance for on-ground works.
Objectives
- Reduce the maintenance requirements for the drain discharging from the wetland
- Improve plant cover through the development of a more desirable hydraulic regime
- Improve public amenity by reduction in wetland odours and provision of a healthy plant community
- Liaise with Council and the community to provide an acceptable solution
Partners & Stakeholders
- Redland City Council
Outcomes
- Identification of issues causing lack of wetland function
- Design options to address identified issues
Project Facts
Project Value: $14,000
Challenges: Working in a dynamic and modified tidal zone