CSEMP assessment of c2 phenanthrenes in sediment at Solway Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
linear2135.29137.75-63.65127.290.009 10.9227
smooth (df = 2)3128.64132.80-59.32118.648.654 10.0033
smooth (df = 3)4130.49137.03-59.24118.490.150 10.6989
smooth (df = 4)5131.82141.62-58.91117.820.669 10.4133

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
last 20 years200120185.6835.7460.062370.181740.3430.7366

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