Projects

CSEMP assessment of lead in biota at North Dogger 1

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean179.2182.21-36.6073.21
linear274.7681.16-33.3866.766.447 10.0111
smooth (df = 2)368.0480.54-29.0258.048.722 10.0031

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200420173.9437.1703.2270.5935.4440.0016
last 20 years200420173.9437.1703.2270.5935.4440.0016

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1299.7 26.0-3.912 0.497-7.8630.9999
EC1299.71500.0 0.143 0.497 0.2880.3915

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at North Dogger 1


Raw data with assessment

Raw data with assessment of  lead in biota at North Dogger 1


Assessment plot

Assessment plot for  lead in biota at North Dogger 1


Metals data

Metals data for assessment of  lead in biota at North Dogger 1


Metals assessment

Metals assessment of  lead in biota at North Dogger 1


Related pages

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