Projects

CSEMP assessment of CB180 in biota at St. Andrews Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean149.6653.26-21.8343.66
linear249.1157.11-20.5641.112.543 10.1108
smooth (df = 2)351.1067.77-20.5541.100.014 10.9063

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520161.54821.2426-0.30555 0.17910-1.7060.1389
last 20 years200520161.54821.2426-0.30555 0.17910-1.7060.1389

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 3.46 0.11-3.450 0.095-36.3961.0000
EAC 3.4660.97 2.868 0.095 30.255<0.0001

 


Related pages

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