Marine Environment Monitoring and Assessment National database (MERMAN)
Location of station  IrishSea_IrSIntermediateE_fi03 (St Bees Head)
Location of station at St Bees Head ©

CSEMP assessment of mercury in biota at St Bees Head

Statistical analysis

Details

Media : Biota (Common dab muscle)
Station : IrishSea_IrSIntermediateE_fi03 (St Bees Head)
Determinand : Mercury
Units : μg kg-1 wet weight
Data extraction : 19 October 2016

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean131.4335.03-12.7125.43
linear227.9735.97 -9.9919.975.457 10.0195
smooth (df = 2)329.9646.63 -9.9819.960.008 10.9266

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920124.8365.6470.81140.29122.7860.0317
last 20 years199920124.8365.6470.81140.29122.7860.0317

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC283.5 35.0-2.0919 0.1639-12.7651.0000
EC283.5500.0 0.5673 0.1639 3.4620.0067

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at St Bees Head


Raw data with assessment

Raw data with assessment of  mercury in biota at St Bees Head


Assessment plot

Assessment plot for  mercury in biota at St Bees Head


Metals data

Metals data for assessment of  mercury in biota at St Bees Head


Metals assessment

Metals assessment of  mercury in biota at St Bees Head


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