Projects

CSEMP assessment of benzo[a]anthracene in biota at Canvey Island (Thames)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean148.1951.79-21.0942.19
linear249.6557.65-20.8241.650.539 10.4628
smooth (df = 2)347.3364.00-18.6737.334.318 10.0377

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320171.06150.5018-0.5597 0.7525-0.7440.4851
last 20 years200320171.06150.5018-0.5597 0.7525-0.7440.4851

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 1.652 0.408-1.3995 0.4895-2.8590.9856
EAC 1.65213.040 2.0662 0.4895 4.2210.0028

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in biota at Canvey Island (Thames)


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in biota at Canvey Island (Thames)


Assessment plot

Assessment plot for  benzo[a]anthracene in biota at Canvey Island (Thames)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in biota at Canvey Island (Thames)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in biota at Canvey Island (Thames)


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