Marine Environment Monitoring and Assessment National database (MERMAN)

CSEMP assessment of cadmium in biota at Liverpool Bay

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_IrSIntermediateE_fi02 (Liverpool Bay)
Determinand : Cadmium
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean152.7355.31-23.3746.73
linear252.8258.16-22.4144.821.911 10.1668
smooth (df = 2)354.7664.76-22.3844.760.061 10.8042
smooth (df = 3)456.7574.75-22.3844.750.007 10.9320

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120165.1524.831-0.3214 0.2201-1.4600.1824
last 20 years200120165.1524.831-0.3214 0.2201-1.4600.1824

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 125.3 26.0-1.5729 0.1441-10.9171.0000
EC 125.31000.0 2.0768 0.1441 14.415<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in biota at Liverpool Bay


Raw data with assessment

Raw data with assessment of  cadmium in biota at Liverpool Bay


Assessment plot

Assessment plot for  cadmium in biota at Liverpool Bay


Metals data

Metals data for assessment of  cadmium in biota at Liverpool Bay


Metals assessment

Metals assessment of  cadmium in biota at Liverpool Bay


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