Projects

CSEMP assessment of CB138 in biota at C1 buoy (Liverpool Bay)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean150.9953.24-22.5044.99
linear237.7242.30-14.8629.7215.269 1<0.0001
smooth (df = 2)339.7048.04-14.8529.70 0.023 10.8796
smooth (df = 3)441.0855.48-14.5429.08 0.619 10.4315

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920124.5583.416-1.1421 0.1847-6.1850.0002
last 20 years199920124.5583.416-1.1421 0.1847-6.1850.0002

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC30.44 0.09-5.824 0.107-54.4271.0000
EAC30.4450.72 0.510 0.107 4.7700.0005

 


Related pages

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