Projects

CSEMP assessment of BDE47 in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean131.8537.85-12.9325.85
linear233.4449.44-12.7225.440.410 10.5222

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall20082013-1.2430-1.5521-0.3092 0.4662-0.6630.5435
last 20 years20082013-1.2430-1.5521-0.3092 0.4662-0.6630.5435

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 0.21 0.04-1.667 0.298-5.6000.9975
FEQG 0.2197.50 6.132 0.29820.603<0.0001

 


Related pages

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