Projects

CSEMP assessment of cadmium in biota at Hebburn (Tyne)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean162.3865.38-28.1956.38
linear263.7170.11-27.8555.71 0.673 10.4121
smooth (df = 2)353.0165.51-21.5043.0112.699 10.0004

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920123.1842.807-0.3774 0.4397-0.8580.4191
last 20 years199920123.1842.807-0.3774 0.4397-0.8580.4191

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 16.6 26.00.4510.254 1.7740.0597
EC 16.61000.04.1010.25416.124<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  cadmium in biota at Hebburn (Tyne)


Raw data with assessment

Raw data with assessment of  cadmium in biota at Hebburn (Tyne)


Assessment plot

Assessment plot for  cadmium in biota at Hebburn (Tyne)


Metals data

Metals data for assessment of  cadmium in biota at Hebburn (Tyne)


Metals assessment

Metals assessment of  cadmium in biota at Hebburn (Tyne)


Related pages

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