Projects

CSEMP assessment of copper in biota at New Brighton (Mersey)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean10.70 3.702.65-5.30
linear20.69 7.093.65-7.312.006 10.1566
smooth (df = 2)30.6713.174.66-9.332.021 10.1551

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220177.1077.6840.57760.38511.5000.1774
last 20 years200220177.1077.6840.57760.38511.5000.1774

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC2174.1 978.0-0.7989 0.2259-3.5370.9952

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in biota at New Brighton (Mersey)


Raw data with assessment

Raw data with assessment of  copper in biota at New Brighton (Mersey)


Assessment plot

Assessment plot for  copper in biota at New Brighton (Mersey)


Metals data

Metals data for assessment of  copper in biota at New Brighton (Mersey)


Metals assessment

Metals assessment of  copper in biota at New Brighton (Mersey)


Related pages

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