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CSEMP assessment of cb180 in biota at Morecambe Bay

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_IrSIntermediateE_fi04 (Morecambe Bay)
Determinand : CB180
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean186.99 89.24-40.4980.99
linear287.94 92.51-39.9779.941.053 10.3049
smooth (df = 2)389.90 98.24-39.9579.900.033 10.8559
smooth (df = 3)488.38102.78-38.1976.383.519 10.0607

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920163.6182.903-0.7147 0.6790-1.0520.3200
last 20 years199920163.6182.903-0.7147 0.6790-1.0520.3200

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC18.24 0.11-5.111 0.423-12.0751.0000
EAC18.2475.04 1.415 0.423 3.3420.0043

 


Raw data with supporting information

Raw data with supporting information for assessment of  cb180 in biota at Morecambe Bay


Raw data with assessment

Raw data with assessment of  cb180 in biota at Morecambe Bay


Assessment plot

Assessment plot for  cb180 in biota at Morecambe Bay


Chlorobiphenyls data

Chlorobiphenyls data for assessment of  cb180 in biota at Morecambe Bay


Chlorobiphenyls assessment

Chlorobiphenyls assessment of  cb180 in biota at Morecambe Bay


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