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CSEMP assessment of benzo[a]anthracene in biota at Strangford Lough

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean119.9322.93-6.9613.93
linear220.2526.65-6.1212.251.684 10.1944
smooth (df = 2)320.7833.28-5.3910.781.467 10.2259

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520140.81200.4254-0.3866 0.2861-1.3510.2186
last 20 years200520140.81200.4254-0.3866 0.2861-1.3510.2186

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 1.530 0.408-1.3231 0.1736-7.6240.9999
EAC 1.53013.040 2.1426 0.173612.346<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in biota at Strangford Lough


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in biota at Strangford Lough


Assessment plot

Assessment plot for  benzo[a]anthracene in biota at Strangford Lough


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in biota at Strangford Lough


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in biota at Strangford Lough


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