Projects

CSEMP assessment of cadmium in biota at Woolwich (Middle Thames)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean146.2548.05-20.1340.25
linear246.8550.40-19.4238.851.408 10.2354
smooth (df = 2)348.6754.92-19.3438.670.172 10.6783
smooth (df = 3)442.3852.66-15.1930.388.298 10.0040

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920124.9714.607-0.3643 0.2986-1.2200.2480
last 20 years199920124.9714.607-0.3643 0.2986-1.2200.2480

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 100.2 26.0-1.3491 0.1803-7.4811.0000
EC 100.21000.0 2.3006 0.180312.758<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in biota at Woolwich (Middle Thames)


Raw data with assessment

Raw data with assessment of  cadmium in biota at Woolwich (Middle Thames)


Assessment plot

Assessment plot for  cadmium in biota at Woolwich (Middle Thames)


Metals data

Metals data for assessment of  cadmium in biota at Woolwich (Middle Thames)


Metals assessment

Metals assessment of  cadmium in biota at Woolwich (Middle Thames)


Related pages

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