Projects

CSEMP assessment of phenanthrene in biota at Canvey Island (Thames)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean155.3259.82-24.6649.32
linear257.3267.99-24.6649.320.000 10.9987
smooth (df = 2)351.4376.43-20.7141.437.893 10.0050

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020170.50100.50330.00230.77260.0030.9977
last 20 years200020170.50100.50330.00230.77260.0030.9977

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 1.65 1.790.0810.5790.1390.4474
EAC 1.65277.105.1210.5798.8500.0002

 


Raw data with supporting information

Raw data with supporting information for assessment of  phenanthrene in biota at Canvey Island (Thames)


Raw data with assessment

Raw data with assessment of  phenanthrene in biota at Canvey Island (Thames)


Assessment plot

Assessment plot for  phenanthrene in biota at Canvey Island (Thames)


PAH (parent) data

PAH (parent) data for assessment of  phenanthrene in biota at Canvey Island (Thames)


PAH (parent) assessment

PAH (parent) assessment of  phenanthrene in biota at Canvey Island (Thames)


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