CSEMP assessment of nickel in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean18.6212.22-1.31 2.62
linear29.8517.85-0.92 1.850.769 10.3804
smooth (df = 2)38.8825.54 0.56-1.122.971 10.0847

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
last 20 years200620133.3393.4590.119990.133660.8980.4039

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)


Related pages

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