Projects

CSEMP assessment of cadmium in biota at Morecambe Bay

Statistical analysis

Details

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

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean161.3863.63-27.6955.38
linear253.5858.15-22.7945.589.798 10.0017
smooth (df = 2)354.5062.83-22.2544.501.078 10.2991
smooth (df = 3)456.0770.47-22.0344.070.431 10.5113

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120164.4255.3400.91490.22704.0310.0030
last 20 years200120164.4255.3400.91490.22704.0310.0030

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 208.6 26.0-2.0821 0.1515-13.7451.0000
EC 208.61000.0 1.5676 0.1515 10.348<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  cadmium in biota at Morecambe Bay


Assessment plot

Assessment plot for  cadmium in biota at Morecambe Bay


Metals data

Metals data for assessment of  cadmium in biota at Morecambe Bay


Metals assessment

Metals assessment of  cadmium in biota at Morecambe Bay


Related pages

  • Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
  • Assessment methodology for metals in biota
  • Accessment criteria for metals in biota