Projects

CSEMP assessment of CB28 in biota at Morecambe Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1128.47132.07-61.24122.47
linear2130.35138.35-61.18122.350.120 10.7285
smooth (df = 2)3131.62148.28-60.81121.620.737 10.3907

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall19992016-0.26034 0.298910.55921.60950.3470.7401
last 20 years19992016-0.26034 0.298910.55921.60950.3470.7401

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 1.348 0.100-2.6015 0.9420-2.7620.9836
EAC 1.34813.132 2.2761 0.9420 2.4160.0261

 


Related pages

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