Projects

CSEMP assessment of lead in biota at St. Andrews Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean122.4631.46-8.2316.46
linear224.3456.34-8.1716.340.125 10.7233

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall201120163.3933.4670.074630.207990.3590.7435
last 20 years201120163.3933.4670.074630.207990.3590.7435

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 32.1 26.0-0.209 0.098-2.1360.9389
EC 32.11500.0 3.846 0.09839.247<0.0001

 


Related pages

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