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CSEMP assessment of phenanthrene in biota at Mostyn Bank (Dee)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean156.0060.50-25.0050.00
linear257.5168.18-24.7649.510.486 10.4855
smooth (df = 2)353.0878.08-21.5443.086.427 10.0112

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920181.23050.2417-0.9889 1.3915-0.7110.5091
last 20 years199920181.23050.2417-0.9889 1.3915-0.7110.5091

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 1.27 1.790.3420.8650.3950.3544
EAC 1.27277.105.3830.8656.2200.0008

 


Raw data with supporting information

Raw data with supporting information for assessment of  phenanthrene in biota at Mostyn Bank (Dee)


Raw data with assessment

Raw data with assessment of  phenanthrene in biota at Mostyn Bank (Dee)


Assessment plot

Assessment plot for  phenanthrene in biota at Mostyn Bank (Dee)


PAH (parent) data

PAH (parent) data for assessment of  phenanthrene in biota at Mostyn Bank (Dee)


PAH (parent) assessment

PAH (parent) assessment of  phenanthrene in biota at Mostyn Bank (Dee)


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