Projects

CSEMP assessment of mercury in biota at Burbo Light (Liverpool Bay)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 9.0611.06-1.533.06
linear210.2614.26-1.132.260.802 10.3706
smooth (df = 2)311.8318.97-0.911.830.432 10.5108
smooth (df = 3)412.3824.38-0.190.381.450 10.2285

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120165.1345.3080.174640.191920.9100.3843
last 20 years200120165.1345.3080.174640.191920.9100.3843

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC202 35-1.7528 0.1253-13.9941.0000
EC202500 0.9064 0.1253 7.237<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Burbo Light (Liverpool Bay)


Raw data with assessment

Raw data with assessment of  mercury in biota at Burbo Light (Liverpool Bay)


Assessment plot

Assessment plot for  mercury in biota at Burbo Light (Liverpool Bay)


Metals data

Metals data for assessment of  mercury in biota at Burbo Light (Liverpool Bay)


Metals assessment

Metals assessment of  mercury in biota at Burbo Light (Liverpool Bay)


Related pages

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