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CSEMP assessment of phenanthrene in biota at Crosby (Mersey Channel)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean127.8132.31-10.9021.81
linear229.8040.47-10.9021.800.010 10.9198
smooth (df = 2)329.8154.81 -9.9019.811.989 10.1585

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220180.96611.02900.06290.62550.1010.9238
last 20 years200220180.96611.02900.06290.62550.1010.9238

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 2.80 1.79-0.445 0.363-1.2270.8627
EAC 2.80277.10 4.595 0.36312.665<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  phenanthrene in biota at Crosby (Mersey Channel)


Raw data with assessment

Raw data with assessment of  phenanthrene in biota at Crosby (Mersey Channel)


Assessment plot

Assessment plot for  phenanthrene in biota at Crosby (Mersey Channel)


PAH (parent) data

PAH (parent) data for assessment of  phenanthrene in biota at Crosby (Mersey Channel)


PAH (parent) assessment

PAH (parent) assessment of  phenanthrene in biota at Crosby (Mersey Channel)


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