This morning's outage [more]
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 cadmium in biota at St Bees Head

Statistical analysis

Details

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

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean123.7628.26-8.8817.76
linear222.8833.55-7.4414.882.879 10.0897
smooth (df = 2)323.1648.16-6.5813.161.718 10.1899

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320125.1725.6430.47140.24981.8870.1178
last 20 years200320125.1725.6430.47140.24981.8870.1178

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 282.3 26.0-2.3848 0.1678-14.2131.0000
EC 282.31000.0 1.2648 0.1678 7.5380.0003

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

Assessment plot for  cadmium in biota at St Bees Head


Metals data

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


Metals assessment

Metals assessment of  cadmium in biota at St Bees Head


Related pages