Projects

CSEMP assessment of mercury in biota at Tees Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean151.1352.93-22.5645.13
linear252.9356.49-22.4744.930.197 10.6572
smooth (df = 2)354.7060.95-22.3544.700.233 10.6294
smooth (df = 3)452.9463.22-20.4740.943.759 10.0525

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.0884.2240.135550.304220.4460.6645
last 20 years200120174.0884.2240.135550.304220.4460.6645

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 68.3 35.0-0.6686 0.1945-3.4370.9972
EC 68.3500.0 1.9906 0.194510.234<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Tees Bay


Raw data with assessment

Raw data with assessment of  mercury in biota at Tees Bay


Assessment plot

Assessment plot for  mercury in biota at Tees Bay


Metals data

Metals data for assessment of  mercury in biota at Tees Bay


Metals assessment

Metals assessment of  mercury in biota at Tees Bay


Related pages

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