Projects

CSEMP assessment of cadmium in biota at C1 buoy (Liverpool Bay)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean163.2065.45-28.6057.20
linear255.9960.56-24.0047.999.211 10.0024
smooth (df = 2)354.4662.80-22.2344.463.529 10.0603
smooth (df = 3)455.6970.09-21.8543.690.769 10.3804

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920124.2444.9910.74680.20663.6140.0056
last 20 years199920124.2444.9910.74680.20663.6140.0056

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 147.1 26.0-1.7331 0.1174-14.7671.0000
EC 147.11000.0 1.9166 0.1174 16.331<0.0001

 


Related pages

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