Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  IrishSea_LiverpoolBay_fi02, C1 buoy (Liverpool Bay)
Location of station at C1 buoy (Liverpool Bay) ©

CSEMP assessment of cb138 in biota at C1 buoy (Liverpool Bay)

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_LiverpoolBay_fi02, C1 buoy (Liverpool Bay)
Determinand : CB138
Units : μg kg-1 wet weight
Data extraction : 19 October 2016

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean150.9953.24-22.5044.99
linear237.7242.30-14.8629.7215.269 1<0.0001
smooth (df = 2)339.7048.04-14.8529.70 0.023 10.8796
smooth (df = 3)441.0855.48-14.5429.08 0.619 10.4315

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920124.5583.416-1.1421 0.1847-6.1850.0002
last 20 years199920124.5583.416-1.1421 0.1847-6.1850.0002

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC30.44 0.09-5.824 0.107-54.4271.0000
EAC30.4450.72 0.510 0.107 4.7700.0005

 


Raw data with supporting information

Raw data with supporting information for assessment of  cb138 in biota at C1 buoy (Liverpool Bay)


Raw data with assessment

Raw data with assessment of  cb138 in biota at C1 buoy (Liverpool Bay)


Assessment plot

Assessment plot for  cb138 in biota at C1 buoy (Liverpool Bay)


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  cb138 in biota at C1 buoy (Liverpool Bay)


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  cb138 in biota at C1 buoy (Liverpool Bay)


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