Trace metals in sediments, indicator organisms and traditional seafoods of the Torres Strait. 1996

COVER PAGE & VERSO [Adobe Acrobat Format 508.04KB]

TABLE OF CONTENTS [Adobe Acrobat Format 191.52KB]

ACKNOWLEDGMENTS [Adobe Acrobat Format 341.92KB]

SUMMARY AND RECOMMENDATIONS [Adobe Acrobat Format 266.07KB]

BACKGROUND TO THIS REPORT [Adobe Acrobat Format 52.87KB]

TRACE METALS IN TORRES STRAIT SEDIMENTS [Adobe Acrobat Format 946.51KB]

Background
Methods and Materials
- Sample Collection and Storage
- Trace Metal Analysis
- Statistical Analysis
Results
Seasonal and Spatial Patterns in Surface Salinity
Physico-Chemical Properties of Sediments
Trace Metals and Other Elements in Sediments
- Spatial Patterns
- Seasonal Patterns
Discussion
- The Extent of Influence of the Fly River into Torres Strait
- Distributions, Concentrations and Sources of Trace Metals and Other
- Elements in Torres Strait Sediments
Comparisons with Other Studies of Torres Strait Sediments
Comparisons with Studies from Other Regions

TRACE METALS IN INDICATOR ORGANISMS (Tridacna crocea and Polymesoda erosa) [Adobe Acrobat Format 1354.98KB]

Background
Methods and Materials
- Pre-Collecting Preparations
- Sample Collection
  - Burrowing clams (Tridacna crocea)
  - Mangrove cockles (Polymesoda erosa)
- Trace Metal Analysis
  - Inter-laboratory Comparison
- Statistical Analysis
Results
- Burrowing Clams (Tridacna crocea)
  - Comparison of Methods
  - Inter-laboratory Comparisons
  - Levels of Trace Metals and Other Elements
  - Spatial Patterns
  - Seasonal Patterns
- Mangrove Cockles (Polymesoda erosa)
  - Size Differences Among Stations
  - Spatial Patterns
Discussion
- Burrowing Clams (Tridacna crocea)
  - Variations in the Levels o f Trace Metals and Other Elements
  - Throughout the Torres Strait and Requirements f o r Future
  - Monitoring
  - Variations in Trace Metals Over Time
  - Comparisons with Earlier Torres Strait Studies
  - Inter-Regional Comparisons
- Mangrove Cockles ( Polymesoda erosa)
  - Comparisons with Other Studies

TRACE METALS IN THE TRADITIONAL SEAFOODS OF THE TORRES STRAIT [Adobe Acrobat Format 701.74KB]

Background
Methods and Materials
- Sample Collection and Preparation
  - Fishes
  - Mangrove Cockle (Polymesoda erosa)
  - Mud Crab (Scylla serrata)
  - Crayfish ( Panulirus ornatus)
  - Dugong (Dugong dugon)
  - Green Turtle ( Chelonia mydas)
- Trace Metal Analysis
- Comparisons with Standards
Results
- Fishes
- Mangrove Cockle ( Polymesoda erosa)
- Crustaceans
  - Mud Crab (Scylla serrata)
  - Crayfish ( Panulirus ornatus)
- Dugong (Dugong dugon)
- Green Turtle (Chelonia mydas)
Discussion
- Comparisons with the Pilot Study
- Health Implications
- Sources of Elevated Trace Metals

FUTURE MONITORING [Adobe Acrobat Format 144.47KB]

LITERATURE CITED [Adobe Acrobat Format 269.08KB]

APPENDICES

Preparation procedures and analytical methods associated with sediment samples from the Torres Strait Baseline Study [Adobe Acrobat Format 54.21KB]
A comparison of sediment arsenic concentrations in the monsoon season determined by different methods [Adobe Acrobat Format 62.83KB]
Physical and chemical properties of sediment samples collected in the Torres Strait in pre-monsoon and monsoon seasons [Adobe Acrobat Format 121.98KB]
Summary of the levels of trace metal and other elements in sediments collected in the the Torres Strait in the pre-monsoon and monsoon seasons [Adobe Acrobat Format 190.14KB]
Trace metal and element concentrations in Torres Strait sediments in pre-rnonsoon and monsoon seasons [Adobe Acrobat Format 439.96KB]
Formulae used for the calculation of F ratios and variance components for analysis of variance of sediment trace metal data [Adobe Acrobat Format 234.28KB]
Procedures used by Queensland Department of Primary Industry (Animal Research Institute) for trace metal analysis of biological samples [Adobe Acrobat Format 390.13KB]
Summary of trace metal levels in burrowing clams in both seasons, throughout the Torres Strait [Adobe Acrobat Format 278.76KB]
Trace metal concentrations in kidneys of the burrowing clam (T. crocea) in pre-monsoon and monsoon seasons in the Torres Strait [Adobe Acrobat Format 540.43KB]
Formulae used for the calculation of F ratios and variance components for analysis of variance of burrowing calm trace metal data [Adobe Acrobat Format 156.79KB]
Results of a comparison, among stations in each season, of the mean levels of each metal by Tukey's HSD test [Adobe Acrobat Format 190.42KB]
Shell length of mangrove cockles (Polymesoda erosa) collected for this study [Adobe Acrobat Format 24.71KB]
Summary of trace metal levels in whole mangrove cockle (P. erosa) [Adobe Acrobat Format 54.81KB]
Concentrations of trace metals in whole mangrove cockle collected during the pre-monsoon season in Torres Strait [Adobe Acrobat Format 203.64KB]
Analysis of variance (ANOVA) tables comparing the effects of station and site on trace metal levels in mangrove cockles [Adobe Acrobat Format 110.95KB]
Trace metal levels in the kidney of T. crocea collected between 1978 and 1985 and in 1992 during the present study [Adobe Acrobat Format 29.29KB]
Comparison between Torres Strait and comparable Great Barrier Reef locations of the levels of cadmium and copper in kidneys of T. crocea [Adobe Acrobat Format 56.53KB]
Concentrations of metals for which an MPC exists for fishes [Adobe Acrobat Format 82.17KB]
Concentrations of metals for which an MPC exists for the mangrove cockle (Polvmesotkl erosa) [Adobe Acrobat Format 56.14KB]
Concentrations of metals for which an MPC exists, in crustaceans [Adobe Acrobat Format 34.99KB]
Concentrations of metals for which an MPC exists in tissues of dugong (Dugong dugong) [Adobe Acrobat Format 44.75KB]
Concentrations of metals for which an MPC exists in tissues of green turtle (Chehmia mydas) [Adobe Acrobat Format 42.79KB]
Mean quantities of certain traditional seafoods which if consumed would place the consumer at the levels recommended in the PTWI estimates [Adobe Acrobat Format 75.82KB]