Projects

CSEMP assessment of lead in biota at North Dogger 2

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1109.89112.47-51.95103.89
linear2111.60116.94-51.80103.600.290 10.5902
smooth (df = 2)3105.27115.27-47.63 95.278.337 10.0039
smooth (df = 3)4107.17125.17-47.58 95.170.098 10.7541

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320173.6093.9640.35560.65250.5450.6006
last 20 years200320173.6093.9640.35560.65250.5450.6006

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 52.7 26.0-0.706 0.432-1.6330.9295
EC 52.71500.0 3.349 0.432 7.743<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at North Dogger 2


Raw data with assessment

Raw data with assessment of  lead in biota at North Dogger 2


Assessment plot

Assessment plot for  lead in biota at North Dogger 2


Metals data

Metals data for assessment of  lead in biota at North Dogger 2


Metals assessment

Metals assessment of  lead in biota at North Dogger 2


Related pages

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