Projects

CSEMP assessment of mercury in biota at Wytch (Poole Harbour)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean146.2648.51-20.1340.26
linear240.8445.41-16.4232.847.422 10.0064
smooth (df = 2)339.2147.55-14.6129.213.626 10.0569
smooth (df = 3)441.2155.61-14.6029.210.006 10.9386

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200020124.1033.547-0.5556 0.1940-2.8640.0187
last 20 years200020124.1033.547-0.5556 0.1940-2.8640.0187

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 34.7 35.00.00830.1249 0.0670.4741
EC 34.7500.02.66760.124921.362<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Wytch (Poole Harbour)


Raw data with assessment

Raw data with assessment of  mercury in biota at Wytch (Poole Harbour)


Assessment plot

Assessment plot for  mercury in biota at Wytch (Poole Harbour)


Metals data

Metals data for assessment of  mercury in biota at Wytch (Poole Harbour)


Metals assessment

Metals assessment of  mercury in biota at Wytch (Poole Harbour)


Related pages

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