Outlook Online 2009

Great Barrier Reef Marine Park Authority :: Research Publication No. 20

Climate Change Conservation, Heritage & Indigenous Partnerships Tourism & Recreation Fisheries Water Quality & Coastal Development

Sitemap | Contact GBRMPA |

Research Publication No. 20

Impact of Elevated Nutrients in the Great Barrier Reef

Claudia Baldwin
Great Barrier Reef Marine Park Authority
Research and Monitoring Section
June 1990

COVER PAGE & VERSO [Adobe Acrobat Format 70.66KB]
EXECUTIVE SUMMARY [Adobe Acrobat Format 157.94KB]
STATUS REPORT [Adobe Acrobat Format 2496.53KB ]
- Background and Justification for Action
- Why Concern with Nutrients
- Detrimental Effects of Enhanced Nutrients in Tropical Marine Waters
  - Mangrove and seagrass Environments
  - Molluscs/Crustaceans
  - Case Studies: Nutrients and the Algal/Coral Relationship
  - Circulation Effects
- Why Nutrients Impact Coral Communities
  - Changes in the System
  - Coral Calcification
  - Suspended solids, surfactants, and chlorine
  - Nutrients and Crown-of-Thorns Starfish
- Evidence of Enhanced Nutrients in the GBR
  - Green Island
  - Hayman Island
- Nutrient Levels in the GBR compared to other Reefal Environments
- A Relative Perspective of Existing Nutrient Inputs into the GBR Region
  - Point Source Discharges
  - River Input
  - Oceanic Intrusions
  - Groundwater Inputs
  - Minor Inputs
  - Sediment Resuspension
- Summary: Section One
MANAGEMENT IMPLICATIONS [Adobe Acrobat Format 586.11KB]
- Introduction
- Legislation
  - Discharges Outside the Marine Park
  - Discharges Within the Marine Park
- Cooperation between GBRMPA and Queensland
- Government Agencies
- Recommended Management Action
- Research and Monitoring Requirements
- Summary : Section Two
GUIDELINES FOR POINT SOURCE DISCHARGE INTO THE MARINE PARK [Adobe Acrobat Format 2050.89KB]
- Introduction
- Factors to Consider in Development of Guidelines
- Prevention
- Sewage Treatment
  - Primary Treatment/Septic
  - Secondary Treatment
  - Tertiary Treatment
  - Nutrient Removal: Control of Nitrogen and Phosphorus in Effluent
  - Discharge
  - Sludge Treatment
  - Effluent Disposal
  - Land Disposal of Treated Effluent
  - Ocean Outfall Disposal of Treated Effluent
  - Tolerance Levels
  - Required Dilution Factors
  - Sewage Sludge Disposal
- Nutrient Removal Requirements Elsewhere
  - Kosciusko National Park
  - Cyprus
  - Sweden
- Options for Discharge Standards
  - Option One
  - Option Two
- Management Recommendations
- Recommended Guidelines
  - Recommended Information Required in a New Permit Application
  - Recommended Conditions for Sewage Discharge Permits
    - Compulsory
    - Optional
- Incentives to Tourist Operators
- Summary: Section Three
REFERENCES [Adobe Acrobat Format 513.03KB]
APPENDICES [Adobe Acrobat Format 373.57KB]

Related Links
- Download Entire Document [Adobe Acrobat Format 6754.53KB]

Freedom of Information (FOI) | Information Publication Scheme | Terms of Use | Privacy Statement | Contact GBRMPA

Free Zoning Maps

If you're heading out on the water, don't forget your free Zoning Map so you know where you can go and what you can do.
Whale of a time

The Great Barrier Reef is a hive of activity. If you're lucky enough to see a humpback whale from May to September, make sure you keep a safe distance.
Important milestone

We're delighted to celebrate the 30th anniversary of the Great Barrier Reef Marine Park's World Heritage listing.
Visit the Reef

Visit our Great Barrier Reef and discover its amazing plants, animals and habitats. There are a range of tourism experiences on offer.
What you can do

Everyone has a role to play in protecting our Great Barrier Reef. Find out what you can do to help protect this Great Australian icon.
Report marine strandings

If you see sick, dead or stranded marine animals please call RSPCA QLD 1300 ANIMAL
(1300 264 625)
Climate Change and the Great Barrier Reef

A Vulnerability Assessment: of the issues that could have far-reaching consequences for the Great Barrier Reef.