CSEMP assessment of CB28 in biota at St. Andrews Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean189.24 92.84-41.6283.24
linear285.50 93.50-38.7577.505.743 10.0166
smooth (df = 2)383.68100.35-36.8473.683.814 10.0508

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20052016-0.0892-1.1081-1.0189 0.3377-3.0180.0235
last 20 years20052016-0.0892-1.1081-1.0189 0.3377-3.0180.0235

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC0.330.10-1.194 0.181-6.5900.9997
EAC0.338.71 3.273 0.18118.056<0.0001


Related pages

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