Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of cb153 in biota at Morecambe Bay

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_IrSIntermediateE_fi04 (Morecambe Bay)
Determinand : CB153
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 98.37100.62-46.1992.37
linear2 98.67103.24-45.3490.671.699 10.1924
smooth (df = 2)3100.57108.90-45.2890.570.106 10.7449
smooth (df = 3)4 99.48113.88-43.7487.483.082 10.0791

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920164.5893.700-0.8893 0.6550-1.3580.2076
last 20 years199920164.5893.700-0.8893 0.6550-1.3580.2076

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 40.45 0.10-6.003 0.408-14.7031.0000
EAC 40.45253.60 1.836 0.408 4.4960.0007

 


Raw data with supporting information

Raw data with supporting information for assessment of  cb153 in biota at Morecambe Bay


Raw data with assessment

Raw data with assessment of  cb153 in biota at Morecambe Bay


Assessment plot

Assessment plot for  cb153 in biota at Morecambe Bay


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  cb153 in biota at Morecambe Bay


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  cb153 in biota at Morecambe Bay


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