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

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

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Contaminants in Tissue of Fish and Crabs Collected in the Gladstone Area2Fitzroy21Dimension 2 (16% variation)0Gladstone2Fitzroy1Bundy2-1Gladstone1-2 -1 0 1 2 3 4 5Dimension 1 (76% variation)Figure 4.1. Movements of the overall location and trip principal component means inmultidimensional space. Gladstone is indicated by the circles with the solid line, and the referencesites by the squares with the dotted line.ReferencesGenStat (2011). GenStat for Windows, Release 14.1. VSN International Ltd., Oxford.McCullagh, P. and Nelder, J. A. (1989). Generalized Linear Models (2 nd ed.). Chapman and Hall,London.Raj, D. (1968). Sampling theory. McGraw-Hill, New York.Page 51

Department of Science, Information Technology, Innovation and the ArtsAppendix CSensitivity analysis1. Pb, crabsAs discussed in the revised stats report, there were too few ‘actual’ values (four) to have any realconfidence in these differences, so either say this, or (preferably) omit these means altogether &state why. Note that for the fish there were a number of metals not analysed for this reason.2. Cr, crabsGiven that 20 (out of 40) values were 0.10 for all tests).Table 1 – Original ResultsBundaberg Fitzroy R. The Narrows Port area AverageStandard ErrorTrip 1 0.136 ab 0.235 a 0.110 b 0.086 b 0.041Trip 2 0.116 ab 0.123 ab 0.190 ab 0.142 aba,b Means with a common superscript are not significantly different (P = 0.05).Table 2 – Changing all

Department of Science, Information Technology, Innovation and the ArtsAppendix CSensitivity analysis1. Pb, crabsAs discussed in the revised stats report, there were too few ‘actual’ values (four) to have any realconfidence in these differences, so either say this, or (preferably) omit these means altogether &state why. Note that for the fish there were a number of metals not analysed for this reason.2. Cr, crabsGiven that 20 (out of 40) values were 0.10 for all tests).Table 1 – Original ResultsBundaberg Fitzroy R. The Narrows Port area AverageStandard ErrorTrip 1 0.136 ab 0.235 a 0.110 b 0.086 b 0.041Trip 2 0.116 ab 0.123 ab 0.190 ab 0.142 aba,b Means with a common superscript are not significantly different (P = 0.05).Table 2 – Changing all

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