Projects

CSEMP assessment of c1 phenanthrenes in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean139.0742.07-16.5433.07
linear241.0547.45-16.5233.050.026 10.8727
smooth (df = 2)343.0355.53-16.5233.030.015 10.9028

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520132.20032.1149-0.0854 0.5333-0.1600.8773
last 20 years200520132.20032.1149-0.0854 0.5333-0.1600.8773

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