Projects

CSEMP assessment of mercury in biota at Morecambe Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 -8.41 -6.61 7.21-14.41
linear2-19.52-15.9713.76-27.5213.112 10.0003
smooth (df = 2)3-17.97-11.7213.98-27.97 0.445 10.5049
smooth (df = 3)4-16.76 -6.4814.38-28.76 0.795 10.3726

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920165.1775.8090.63170.13234.7760.0006
last 20 years199920165.1775.8090.63170.13234.7760.0006

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC333.2 35.0-2.2535 0.0811-27.7871.0000
EC333.2500.0 0.4057 0.0811 5.0030.0002

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  mercury in biota at Morecambe Bay


Assessment plot

Assessment plot for  mercury in biota at Morecambe Bay


Metals data

Metals data for assessment of  mercury in biota at Morecambe Bay


Metals assessment

Metals assessment of  mercury in biota at Morecambe Bay


Related pages

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