CSEMP assessment of c2 phenanthrenes in sediment at SE of Bressay (Shetland)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
linear272.6583.32-32.3364.651.583 10.2083
smooth (df = 2)374.6599.65-32.3264.650.005 10.9452

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620162.17401.5634-0.6106 0.4787-1.2750.2582
last 20 years200620162.17401.5634-0.6106 0.4787-1.2750.2582

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