Projects

CSEMP assessment of cadmium in sediment at SE of Bressay (Shetland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean142.4048.40-18.2036.40
linear243.2559.25-17.6335.251.140 10.2856

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062016-2.4001-2.06740.33270.31451.0580.3497
last 20 years20062016-2.4001-2.06740.33270.31451.0580.3497

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.12650.31000.89620.1462 6.1320.0018
ERL0.12651.20002.24970.146215.393<0.0001

 


Related pages

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