Projects

CSEMP assessment of mercury in biota at St Bees Head

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean131.4335.03-12.7125.43
linear227.9735.97 -9.9919.975.457 10.0195
smooth (df = 2)329.9646.63 -9.9819.960.008 10.9266

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920124.8365.6470.81140.29122.7860.0317
last 20 years199920124.8365.6470.81140.29122.7860.0317

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC283.5 35.0-2.0919 0.1639-12.7651.0000
EC283.5500.0 0.5673 0.1639 3.4620.0067

 


Related pages

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