Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of cb52 in biota at Morecambe Bay

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_IrSIntermediateE_fi04 (Morecambe Bay)
Determinand : CB52
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1124.82128.42-59.41118.82
linear2126.15134.15-59.08118.150.666 10.4143
smooth (df = 2)3127.72144.39-58.86117.720.427 10.5133

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992016-0.6061 1.08841.69441.77040.9570.3755
last 20 years19992016-0.6061 1.08841.69441.77040.9570.3755

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 2.969 0.080-3.614 1.068-3.3830.9926
EAC 2.96917.280 1.761 1.068 1.6480.0752

 


Raw data with supporting information

Raw data with supporting information for assessment of  cb52 in biota at Morecambe Bay


Raw data with assessment

Raw data with assessment of  cb52 in biota at Morecambe Bay


Assessment plot

Assessment plot for  cb52 in biota at Morecambe Bay


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  cb52 in biota at Morecambe Bay


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  cb52 in biota at Morecambe Bay


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