Projects

CSEMP assessment of mercury in biota at Olna Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean11.46 3.461.27-2.54
linear23.29 8.091.36-2.710.170 10.6804
smooth (df = 2)33.2513.252.37-4.752.032 10.1540

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200420142.57592.67090.095010.230420.4120.6924
last 20 years200420142.57592.67090.095010.230420.4120.6924

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 14.5 14.70.0150.162 0.0920.4647
EC 14.5500.03.5440.16221.814<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Olna Firth


Raw data with assessment

Raw data with assessment of  mercury in biota at Olna Firth


Assessment plot

Assessment plot for  mercury in biota at Olna Firth


Metals data

Metals data for assessment of  mercury in biota at Olna Firth


Metals assessment

Metals assessment of  mercury in biota at Olna Firth


Related pages

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