Projects

CSEMP assessment of copper in biota at Strangford Lough

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean145.3548.35-19.6739.35
linear246.3352.73-19.1738.33 1.017 10.3133
smooth (df = 2)337.4549.95-13.7327.4510.881 10.0010

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520147.2246.832-0.3924 0.3770-1.0410.3325
last 20 years200520147.2246.832-0.3924 0.3770-1.0410.3325

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC926.7978.00.053870.238110.2260.4137

 


Raw data with supporting information

Raw data with supporting information for assessment of  copper in biota at Strangford Lough


Raw data with assessment

Raw data with assessment of  copper in biota at Strangford Lough


Assessment plot

Assessment plot for  copper in biota at Strangford Lough


Metals data

Metals data for assessment of  copper in biota at Strangford Lough


Metals assessment

Metals assessment of  copper in biota at Strangford Lough


Related pages

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