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CSEMP assessment of benzo[a]pyrene in biota at Crosby (Mersey Channel)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean125.9630.46-9.9819.96
linear227.6338.29-9.8119.630.338 10.5608
smooth (df = 2)326.2651.26-8.1316.263.371 10.0664

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220182.14461.4913-0.6533 1.1071-0.5900.5808
last 20 years200220182.14461.4913-0.6533 1.1071-0.5900.5808

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 4.44 0.23-2.9688 0.6319-4.6980.9973
EAC 4.4497.80 3.0916 0.6319 4.8920.0023

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in biota at Crosby (Mersey Channel)


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in biota at Crosby (Mersey Channel)


Assessment plot

Assessment plot for  benzo[a]pyrene in biota at Crosby (Mersey Channel)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in biota at Crosby (Mersey Channel)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in biota at Crosby (Mersey Channel)


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