Projects

CSEMP assessment of BDE47 in biota at St. Andrews Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean169.1473.64-31.5763.14
linear271.1281.79-31.5663.120.015 10.9022
smooth (df = 2)366.6591.65-28.3256.656.475 10.0109

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520160.58280.66750.08470.67580.1250.9051
last 20 years200520160.58280.66750.08470.67580.1250.9051

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 1.95 0.01-5.090 0.276-18.4771.0000
FEQG 1.9544.00 3.117 0.276 11.313<0.0001

 


Related pages

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