CSEMP assessment of indeno[123-cd]pyrene in sediment at SE of Bressay (Shetland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
linear243.1753.84-17.5935.170.924 10.3364
smooth (df = 2)343.9168.91-16.9633.911.261 10.2614

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620164.1893.807-0.3827 0.3835-0.9980.3642
last 20 years200620164.1893.807-0.3827 0.3835-0.9980.3642

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 451030.82800.24263.4120.0095


Related pages

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