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CSEMP assessment of benzo[a]pyrene in sediment at Whiteness Head (Moray Firth)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean140.8542.49-17.4334.85
linear242.6845.88-17.3434.680.177 10.6738
smooth (df = 2)343.2548.80-16.6233.251.427 10.2322
smooth (df = 3)444.7953.79-16.3932.790.464 10.4958

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920163.4393.224-0.2150 0.5083-0.4230.6798
last 20 years199920163.4393.224-0.2150 0.5083-0.4230.6798

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 25.1 30.00.17730.31970.5550.2946
ERL 25.1430.02.83990.31978.884<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  benzo[a]pyrene in sediment at Whiteness Head (Moray Firth)


Raw data with assessment

Raw data with assessment of  benzo[a]pyrene in sediment at Whiteness Head (Moray Firth)


Assessment plot

Assessment plot for  benzo[a]pyrene in sediment at Whiteness Head (Moray Firth)


PAH (parent) data

PAH (parent) data for assessment of  benzo[a]pyrene in sediment at Whiteness Head (Moray Firth)


PAH (parent) assessment

PAH (parent) assessment of  benzo[a]pyrene in sediment at Whiteness Head (Moray Firth)


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