CSEMP assessment of c3 dibenzothiophenes in sediment at SE of Bressay (Shetland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
linear263.8774.54-27.9355.870.357 10.5500
smooth (df = 2)365.5490.54-27.7755.540.327 10.5672

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20062016 0.14667-0.16071-0.3074 0.5102-0.6020.5732
last 20 years20062016 0.14667-0.16071-0.3074 0.5102-0.6020.5732

Status assessment

No assessment criteria


Related pages

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