Projects

CSEMP assessment of lead in biota at West Dogger

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 99.17101.42-46.5993.17
linear2101.17105.74-46.5993.170.000 10.9861
smooth (df = 2)3103.07111.41-46.5493.070.101 10.7512
smooth (df = 3)4102.68117.08-45.3490.682.395 10.1217

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.4034.4150.01210.70220.0170.9866
last 20 years200120174.4034.4150.01210.70220.0170.9866

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 82.7 26.0-1.1572 0.4436-2.6090.9858
EC 82.71500.0 2.8979 0.4436 6.533<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in biota at West Dogger


Assessment plot

Assessment plot for  lead in biota at West Dogger


Metals data

Metals data for assessment of  lead in biota at West Dogger


Metals assessment

Metals assessment of  lead in biota at West Dogger


Related pages

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