Projects

CSEMP assessment of lead in biota at Dogger Central

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean176.2378.23-35.1270.23
linear278.1882.18-35.0970.180.056 10.8133
smooth (df = 2)379.5086.64-34.7569.500.679 10.4099
smooth (df = 3)481.0993.09-34.5469.090.409 10.5225

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.0283.946-0.0814 0.3320-0.2450.8112
last 20 years200120174.0283.946-0.0814 0.3320-0.2450.8112

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 51.7 26.0-0.688 0.201-3.4270.9968
EC 51.71500.0 3.367 0.20116.765<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in biota at Dogger Central


Assessment plot

Assessment plot for  lead in biota at Dogger Central


Metals data

Metals data for assessment of  lead in biota at Dogger Central


Metals assessment

Metals assessment of  lead in biota at Dogger Central


Related pages

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