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

Table 5. 3b. Gill hy perplasia.Bundaberg FitzroyRiverThe NarrowsP ort AreaAvg . s.e.Trip 1 1.00 ab 0.01 d 0.30 bcd 0 .83 abc 0.26Trip 2 1.00 ab 0.32 bcd 0.68 abcd 1.24 aTable 5. 3c. Gill parasites.Bundaberg Fitzroy RiverThe NarrowsPort AreaAvg . s.e.Trip 1 1.30 a 1 .02 ab 0.31 b 0.69 ab 0.27Trip 2 0.57 ab 0.34 b 0.50 ab 0.72 abTable 5. 3d. Hepatopancreas.Bundaberg Fitzroy River The NarrowsPort AreaAvg . s.e.Trip 1 0.00 0.00 0.08 0.00 0.08Trip 2 0.00 0.00 0.00 0.00Table 5. 3e. Heart.Bundaberg Fitzroy River The NarrowsPort AreaAvg . s.e.Trip 1 0.00 0.00 0.08 0.00 0.21Trip 2 0.00 0.33 0.00 0.46 0.00Table 5. 3f. Cuticle lesions.Bundaberg Fitzroy RiverThe NarrowsPort AreaA vg.s.e.Trip 1 0.025 0.020 0.000 0.000 0.083Trip 2 0.058 0.055 0.000 0.000Table 5. 3g. Mu scle l esions.Bundaberg Fitzroy RiverThe NarrowsPort AreaAvg . s.e.Trip 1 0.00 c 1.85 a 0.04 c 0.00 c 0.25Trip 2 0.00 c 0.95 b 0.00 c 0.00 cThere was no significant effect (P = 0.18) of location on the classification of hepatopancreas lipid. Table5.4 shows that the counts by locations are well distributed across the lipid categories.T able 5.4. Counts for hepatop ancreas lipid categories by locations.Bundaberg Fitzroy RiverThe Narrows Port AreaAbsent 0 0 1 2Mild 6 3 6 3Moderate 3 6 2 2As shown in Table 5.5, there was a significant effect (P = 0.006) of trip on the classification ofhepatopancreas lipid, with a shift of numbers from moderate to mild. These patterns are more fullyexplored below, at the regional level.T able 5.5. Counts for hepatopa ncreaslipid categories by trips.Trip 1 Trip 2Absent 3 0Mild 5 13Moderate 10 3Summarising by regionsThe means for the locations can be combined into ‘Gladstone’ (the Narrows plus the Port area) vs.‘ Reference’ (Bundaberg and Fitzroy River), as listed in Table 5.6. The three significant differences all occurontrip 1, and interestingly all show higher values from the reference sites.135