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

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
linear254.8265.49-23.4146.822.064 10.1508
smooth (df = 2)355.5080.50-22.7545.501.322 10.2502

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620162.07071.4109-0.6598 0.4345-1.5180.1894
last 20 years200620162.07071.4109-0.6598 0.4345-1.5180.1894

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