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CSEMP assessment of benzo[a]anthracene in biota at Mostyn Bank (Dee)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean162.0665.66-28.0356.06
linear255.5263.52-23.7647.528.541 10.0035
smooth (df = 2)356.0772.74-23.0446.071.449 10.2287

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20032018 0.8908-1.0352-1.9260 0.5076-3.7940.0090
last 20 years20032018 0.8908-1.0352-1.9260 0.5076-3.7940.0090

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 0.355 0.4080.1370.334 0.4120.3474
EAC 0.35513.0403.6030.33410.795<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]anthracene in biota at Mostyn Bank (Dee)


Raw data with assessment

Raw data with assessment of  benzo[a]anthracene in biota at Mostyn Bank (Dee)


Assessment plot

Assessment plot for  benzo[a]anthracene in biota at Mostyn Bank (Dee)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]anthracene in biota at Mostyn Bank (Dee)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]anthracene in biota at Mostyn Bank (Dee)


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