Projects

CSEMP assessment of copper in biota at Roa Island (Morecambe Bay)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean110.0712.07-2.044.07
linear211.4115.41-1.713.410.662 10.4159
smooth (df = 2)312.0319.18-1.022.031.378 10.2404
smooth (df = 3)413.7525.75-0.881.750.283 10.5949

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020157.0467.2960.250120.302900.8260.4282
last 20 years200020157.0467.2960.250120.302900.8260.4282

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1474.5 978.0-0.4105 0.1991-2.0620.9669

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in biota at Roa Island (Morecambe Bay)


Raw data with assessment

Raw data with assessment of  copper in biota at Roa Island (Morecambe Bay)


Assessment plot

Assessment plot for  copper in biota at Roa Island (Morecambe Bay)


Metals data

Metals data for assessment of  copper in biota at Roa Island (Morecambe Bay)


Metals assessment

Metals assessment of  copper in biota at Roa Island (Morecambe Bay)


Related pages

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