Projects

CSEMP assessment of copper in biota at Mostyn Bank (Dee)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean11.41 3.662.29 -4.59
linear23.13 7.702.43 -4.870.278 10.5980
smooth (df = 2)32.5910.933.70 -7.412.541 10.1110
smooth (df = 3)40.8015.205.60-11.203.797 10.0513

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020187.0387.1930.155270.292410.5310.6083
last 20 years200020187.0387.1930.155270.292410.5310.6083

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1330.5 978.0-0.30783 0.17625-1.7470.9427

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in biota at Mostyn Bank (Dee)


Raw data with assessment

Raw data with assessment of  copper in biota at Mostyn Bank (Dee)


Assessment plot

Assessment plot for  copper in biota at Mostyn Bank (Dee)


Metals data

Metals data for assessment of  copper in biota at Mostyn Bank (Dee)


Metals assessment

Metals assessment of  copper in biota at Mostyn Bank (Dee)


Related pages

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