Gladstone Fish Health Investigation 2011 - 2012 - Western Basin ...

More documents

Recommendations

Info

Department of Science, Information Technology, Innovation and the ArtsContentsExecutivee Summary................................... .................. .................. .................. ................................... iList of tables .................................................................................................................................... iiii1. Introduction ........................................................................................................................... 12. Sampling Sites ...................................................................................................................... 33. Methods ................................................................................................................................. 53.1.3.2.3.3.3.4.3.5.Sample CollectionSample PreparationLaboratory Analysis.Statistical AnalysisToxicological Effects Assessment566774. Is there a link between the concentration of metals and metalloidss and organiccontaminants in tissue and animal health? .................................................................................. 84.1.4.2.4.3.4.4.Mud CrabBarramundiGrinnerSummary81011115. Arethe concentrations of contaminants in crab and fishh tissue from Gladstonesimilar to those fromother Queensland estuarine and near-coastal locations? .................... 125.1.5.2.5.3.5.4.Mud CrabBarramundiGrinnerSummary122124246. Arethe levels of contaminants in fish and crab tissue known k to bee associated withreported ecotoxicological effects? .............................................................................................. 256.1.6.2.6.3.6.4.IntroductionMetal Residues in the Hepatopancreas of Mud CrabsMetal Residues in the Gills andd Liver of BarramunddiSummary252525297. Conclusions ......................................................................................................................... 308. References ........................................................................................................................... 31Appendix A ..................................................................................................................................... 34ii
Contaminants in Tissue of Fish and Crabs Collected in the Gladstone AreaAppendix B ..................................................................................................................................... 40Appendix C ..................................................................................................................................... 52List of tablesTable 1 – Sites where species used for tissue residue analysis were collected ......................................... 3Table 2 – Number of samples from each site used for tissue residue analysis .......................................... 5Table 3 – The limit of reporting for each metal and metalloid (on a wet weight basis). .............................. 6Table 4 – Disease status and mean concentrations of metals and metalloids (mg/kg) in the mudcrab hepatopancreas (dry-weight basis). Metals and metalloids that have significantlydifferent concentrations (P≤0.05) between healthy and diseased crabs are bolded andshaded in light blue. ...................................................................................................................... 9Table 5 – Aluminium concentrations (mg/kg) in the hepatopancreas of diseased and healthy crabsby site (dry-weight basis, n=5). Sites that have a significant difference (P≤0.05) betweenhealthy and diseased crabs are bolded and shaded in light blue. ................................................ 9Table 6 – Selenium concentrations (mg/kg) in the hepatopancreas of diseased and healthy crabsby site (dry-weight basis, n=5). ................................................................................................... 10Table 7 – Disease status and gill metal and metalloid concentrations (mg/kg dry-weight basis). Nosignificant difference (P>0.05) between healthy and diseased fish were found. Measuredconcentrations of chromium, nickel, silver and lead were generally below the limit ofreporting and were not included in this analysis. ........................................................................ 10Table 8 Disease status and mean measured concentrations of metal contaminants in liver (mg/kgdry-weight basis). No significant difference (P>0.05) between healthy and diseased fishwere found. Measured concentrations of chromium, nickel, silver and lead were generallybelow the limit of reporting and were not included in this analysis. ............................................. 11Table 9 – Regional means for the metal and metalloid concentrations in mud crab hepatopancreas(mg/kg dry weight basis). ............................................................................................................ 13Table 10 – Mean measured concentrations of metals and metalloids in barramundi gills (mg/kg dryweight) from Reference and Gladstone Harbour sites. ............................................................... 21Table 11 - Mean measured concentrations of metals and metalloids in barramundi liver (mg/kg dryweight) from Reference and Gladstone Harbour sites. ............................................................... 22Table 12 – Summary of effects concentrations associated with arsenic concentrations in fish liverreported in the Environmental Residue and Effects Database (mg/kg wet weight) .................... 26Table 13 – Summary of effects concentrations associated with cadmium concentrations in fish liverreported in the Environmental Residue and Effects Database (mg/kg wet weight). ................... 27Table 14 – Summary of effects concentrations associated with zinc concentrations in fish liverreported in the Environmental Residue and Effects Database (mg/kg wet weight). ................... 28iii
Page 1 and 2:
Department of Agriculture, Fisherie
Page 3 and 4:
ContentsTable of tables 1Table of f
Page 5 and 6:
Mullet (Mugilidae) 80Banana prawn (
Page 7 and 8:
Figure 7. Barramundi caught in the
Page 9 and 10:
Figure 38. Sharks caught in the Cal
Page 11 and 12:
Phase 1 (August 2011-February 2012)
Page 13 and 14:
The results in this study support t
Page 15 and 16:
ecognised expertise and research pu
Page 17 and 18:
Mr Mitchell reported high catches u
Page 19 and 20:
Figure 2. Sampling sites within the
Page 21 and 22:
Phase 2: Expanded Gladstone Fish He
Page 23 and 24:
Mud crab (Scylla serrata): Mud crab
Page 25 and 26:
For mud crabs, hepatopancreas, gill
Page 27 and 28:
Table 2. The number of fish, crusta
Page 29 and 30:
Significant findings and discussion
Page 31 and 32:
Commercial barramundi catch and cat
Page 33 and 34:
Figure 6. Eye condition observed in
Page 35 and 36:
Conditions observed in barramundi s
Page 37 and 38:
Figure 12. A barramundi caught in t
Page 39 and 40:
provided another environmental stre
Page 41 and 42:
was somewhat reduced because post-m
Page 43 and 44:
4,000Commercial effort (days fished
Page 45 and 46:
Size structure of mud crabs observe
Page 47 and 48:
Figure 21. Examples of shell abnorm
Page 49 and 50:
Of the 58 crabs observed to have sh
Page 51 and 52:
HistopathologyLipid storage vacuola
Page 53 and 54:
Commercial fishing effort for mulle
Page 55 and 56:
Figure 28. (a) Mullet caught in Rod
Page 57 and 58:
June/July: Mullet samples were coll
Page 59 and 60:
Sharks and raysThe monitoring progr
Page 61 and 62:
Observational findings Phase 1Phase
Page 63 and 64:
Encysted larval parasites were foun
Page 65 and 66:
in particular bull sharks, have bee
Page 67 and 68:
Commercial banana prawn catch for t
Page 69 and 70:
Observational findings Phase 2April
Page 71 and 72:
Laboratory testing Phase 1Seven riv
Page 73 and 74:
four displayed signs of redness. Th
Page 75 and 76:
Conditions observed in pelagic fish
Page 77 and 78:
FinfishObservational findingsDuring
Page 79 and 80:
ConclusionsIn 2011, a wide range of
Page 81 and 82:
Mud crabsFisheries Queensland did n
Page 83 and 84:
Owens, L. 1983. Bopyrid isopod Epip
Page 85 and 86:
Candidate speciesThe monitoring pro
Page 87 and 88:
Table 1: Candidate species for each
Page 89 and 90:
Sample processingSample processing
Page 91 and 92:
Herring/grinner/Australian threadfi
Page 93 and 94:
For example: the third specimen, re
Page 95 and 96: oooGonad - present/absentHepatopanc
Page 97 and 98: Cloudy eye,swollen,redness orhemorr
Page 99 and 100: Red pin pointmarks - nogeneral redn
Page 101 and 102: Lesion photos Description GradeThis
Page 103 and 104: L4continuedoperculumgrazing;cuts or
Page 105 and 106: Appendix A-3: Fish health assessmen
Page 107 and 108: Appendix B - Statistical report: Gl
Page 109 and 110: analyses, but this was not done for
Page 111 and 112: was a significant (P < 0.05) locati
Page 113 and 114: Percentage with fin condition > 015
Page 115 and 116: Table 3.6b. Effects of locations an
Page 117 and 118: Table 3.7d. Spleen categories - cou
Page 119 and 120: 32Bundy2Bundy1UpBoyne1UpBoyne2LwBoy
Page 121 and 122: Table 3.9c. Regional group means an
Page 123 and 124: Table 4.2c. Effects of locations an
Page 125 and 126: 4.5 Summarising by regionsThe means
Page 127 and 128: Ta ble 5.2a. Effects of locations a
Page 129 and 130: 5.5 Summarising by regionsThe means
Page 131 and 132: 6.3 ResultsThere was no significant
Page 133 and 134: Table 6.5 lists the mean values whe
Page 135 and 136: Standardized residualsStandardized
Page 137 and 138: Table 2.3f. Muscle lesions.Lake Fit
Page 139 and 140: Table 4. 1f. Muscle lesions.Fitzroy
Page 141 and 142: Table 5.6. Regiona l m eans for the
Page 143 and 144: Contaminants in Tissue ofFish and C
Page 145: Contaminants in Tissue of Fish and
Page 149 and 150: Contaminants in Tissue of Fish and
Page 151 and 152: Department of Science, Information
Page 197 and 198:
Department of Science, Information
Page 199 and 200:
Page 201 and 202:
Page 203 and 204:
Appendix E - Time line BarraBy John
Page 205 and 206:
friends. Rapidly rising flood water
Page 207 and 208:
To make note - condition loss was e
Page 209 and 210:
May/June- FinsMy initial observatio
Page 211 and 212:
Thes e escapee were now also in awo
Page 213 and 214:
Figure N. Barramundi showing net ma
Page 215 and 216:
September- Deaths and SicknessFigur
Page 217 and 218:
There is numerous distinguishing fe
Page 219:
Department of Agriculture, Fisherie
show all

Gladstone Fish Health Investigation 2011 - 2012 - Western Basin ...

Create successful ePaper yourself

Delete template?

Save as template?