Projects

CSEMP assessment of BDE99 in sediment at middle (Firth of Clyde)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean150.2054.70-22.1044.20
linear252.1862.85-22.0944.180.014 10.9045
smooth (df = 2)354.1879.18-22.0944.180.002 10.9638

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20092018-1.5512-1.51990.031320.260700.1200.9090
last 20 years20092018-1.5512-1.51990.031320.260700.1200.9090

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.21870.0500-1.4759 0.1500-9.8380.9999
FEQG0.21871.0000 1.5199 0.150010.131<0.0001

 


Related pages

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