Sedimentation Resulting From Road Development, Cape Tribulation Area

D Hopley, R Van Woesik, DCJD Hoyal,
CE Rasmussen and ADL Steven 
Sir George Fisher Centre for Tropical Marine Studies
James Cook University of North Queensland
Townsville Qld 4811 Australia

October 1990

COVER PAGE [Adobe Acrobat Format 127.47KB]

CONTENTS [Adobe Acrobat Format 235.04KB]

SECTIONS 1-3 [Adobe Acrobat Format 775.15KB]

• Introduction
• The Effect of Sediment and Runoff on Corals and Coral Reefs
  • Siltation Effects at the Colony Level
  • Coral Reefs Affected by Sediment Stress
• Sediment Yield From Natural and Disturbed Rainforest Catchments

4. THE CAPE TRIBULATION AREA [Adobe Acrobat Format 541.02KB]

• Location
• Climate and Hydrology
• Rainforest
• Geology and Geomorphology of the Terrestrial Environment
• Fringing Reefs: Surface Morphology
• Fringing Reefs: Evolution
• Fringing Reef Communities
• Nearshore Environment
• Settlement and Land Use

SECTIONS 5 - 9 [Adobe Acrobat Format 4100.67KB]

• The Measurement of Turbidity and Siltation Rates in the Nearshore Environment
  • Measurement of Turbidity
  • Use of Optical Instrumentation
  • Secchi disc measurements
  • Suspended sediment concentrations
  • Measurement of Sediment Settlement
• Methodology
  • Selection of Sampling Sites
  • Field Methods
  • Water sampling
  • Sediment traps
  • Laboratory Analysis
  • Marine derived samples from sediment traps
  • Suspended sediment samples
  • Statistical Analysis
• Results from Suspended Sediment Sampling
  • Problems and Limitations
  • Results from Cape Tribulation Streams
  • Natural and Enhanced Suspended Sediment Concentrations
  • Regional Variability and Influence of Road Characteristics
• Sedimentation on the Fringing Reefs of the Cape Tribulation Area
  • The Sediment Trap Programme
  • Sediment Deposition by Area
  • Sedimentation Rates by Zone and Area
  • Significance of Differences
  • Variation in Sedimentation Rates Over Collecting Periods
  • Sediment Rates and Environmental Variables
• Characteristics of Sediments from Sediment Traps
  • TheSandFraction
  • The Silt and Mud Fraction

SECTIONS 10-11 [Adobe Acrobat Format 968.41KB]

• Discussion
  • Enhanced Sedimentation Rates in the Cape Tribulation Area
  • Comparison with Sedimentation Rates from Other Areas of the Great Barrier Reef
  • Sedimentation Rates from Sites Other than the Great Barrier Reef and Tolerance Limits of Coral Reefs
• Conclusions & Management Implications

SECTIONS 12-13 [Adobe Acrobat Format 449.88KB]

• Acknowledgements
• References

APPENDIX NEARSHORE HYDRODYNAMICS AND SEDIMENT DYNAMICS OF THE FRINGING REEF COAST IN THE CAPE TRIBULATION AREA [Adobe Acrobat Format 2426.99KB]

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