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CSEMP assessment of cadmium in biota at Burbo Light (Liverpool Bay)

Statistical analysis

Details

Media : Biota (Common dab liver)
Station : IrishSea_IrSOpenSea_fi04, Burbo Light (Liverpool Bay)
Determinand : Cadmium
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean163.2065.78-28.6057.20
linear259.4164.74-25.7151.415.794 10.0161
smooth (df = 2)360.9970.99-25.4950.990.424 10.5149
smooth (df = 3)462.7880.78-25.3950.780.205 10.6504

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120163.9685.2101.24250.45082.7560.0248
last 20 years200120163.9685.2101.24250.45082.7560.0248

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 183.2 26.0-1.9522 0.3012-6.4810.9999
EC 183.21000.0 1.6974 0.3012 5.6360.0002

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in biota at Burbo Light (Liverpool Bay)


Raw data with assessment

Raw data with assessment of  cadmium in biota at Burbo Light (Liverpool Bay)


Assessment plot

Assessment plot for  cadmium in biota at Burbo Light (Liverpool Bay)


Metals data

Metals data for assessment of  cadmium in biota at Burbo Light (Liverpool Bay)


Metals assessment

Metals assessment of  cadmium in biota at Burbo Light (Liverpool Bay)


Related pages

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