Projects

CSEMP assessment of cadmium in biota at Inner Liverpool Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 97.65100.22-45.8291.65
linear2 99.11104.44-45.5591.110.539 10.4629
smooth (df = 2)3100.23110.23-45.1290.230.874 10.3498
smooth (df = 3)4101.56119.56-44.7889.560.673 10.4119

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120124.6084.8900.28140.37940.7420.4795
last 20 years200120124.6084.8900.28140.37940.7420.4795

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 132.9 26.0-1.6317 0.2373-6.8760.9999
EC 132.91000.0 2.0179 0.2373 8.503<0.0001

 


Related pages

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