Projects

CSEMP assessment of mercury in biota at Cat Firth

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean112.3015.30-3.156.30
linear2 9.1915.59-0.601.195.110 10.0238
smooth (df = 2)310.3922.89-0.200.390.799 10.3713

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200420142.43572.95030.51460.19392.6550.0327
last 20 years200420142.43572.95030.51460.19392.6550.0327

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 19.1 14.7-0.264 0.117-2.2650.9710
EC 19.1500.0 3.264 0.11727.949<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  mercury in biota at Cat Firth


Assessment plot

Assessment plot for  mercury in biota at Cat Firth


Metals data

Metals data for assessment of  mercury in biota at Cat Firth


Metals assessment

Metals assessment of  mercury in biota at Cat Firth


Related pages

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