Projects

CSEMP assessment of copper in biota at West Mersea Beach (Blackwater)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-3.27-1.024.63 -9.27
linear2-1.44 3.134.72 -9.440.170 10.6802
smooth (df = 2)3-2.11 6.226.05-12.112.673 10.1021
smooth (df = 3)4-1.4512.956.72-13.451.336 10.2477

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020177.5587.460-0.09772 0.23622-0.4140.6888
last 20 years200020177.5587.460-0.09772 0.23622-0.4140.6888

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1737.9 978.0-0.5749 0.1422-4.0430.9985

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in biota at West Mersea Beach (Blackwater)


Raw data with assessment

Raw data with assessment of  copper in biota at West Mersea Beach (Blackwater)


Assessment plot

Assessment plot for  copper in biota at West Mersea Beach (Blackwater)


Metals data

Metals data for assessment of  copper in biota at West Mersea Beach (Blackwater)


Metals assessment

Metals assessment of  copper in biota at West Mersea Beach (Blackwater)


Related pages

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