Projects

CSEMP assessment of BDE47 in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean117.9823.98-5.9911.98
linear219.2835.28-5.6411.280.695 10.4044

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20082013-1.0654-1.3148-0.24941 0.29344-0.8500.4432
last 20 years20082013-1.0654-1.3148-0.24941 0.29344-0.8500.4432

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 0.27 0.04-1.904 0.187-10.1730.9997
FEQG 0.2797.50 5.895 0.187 31.494<0.0001

 


Related pages

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