Projects

CSEMP assessment of copper in biota at Ferry Crossing (Tyne)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-10.79-8.54 8.39-16.79
linear2-11.77-7.20 9.89-19.772.982 10.0842
smooth (df = 2)3-11.41-3.0810.71-21.411.638 10.2005
smooth (df = 3)4 -9.42 4.9810.71-21.420.008 10.9278

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220177.3296.988-0.3405 0.1848-1.8430.0985
last 20 years200220177.3296.988-0.3405 0.1848-1.8430.0985

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1083.6 978.0-0.10255 0.10133-1.0120.8310

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in biota at Ferry Crossing (Tyne)


Raw data with assessment

Raw data with assessment of  copper in biota at Ferry Crossing (Tyne)


Assessment plot

Assessment plot for  copper in biota at Ferry Crossing (Tyne)


Metals data

Metals data for assessment of  copper in biota at Ferry Crossing (Tyne)


Metals assessment

Metals assessment of  copper in biota at Ferry Crossing (Tyne)


Related pages

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