Projects

CSEMP assessment of mercury in biota at Gabbard (Thames)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean178.5280.77-36.2672.52
linear280.5085.08-36.2572.500.015 10.9031
smooth (df = 2)381.9990.32-35.9971.990.518 10.4718
smooth (df = 3)483.8298.22-35.9171.820.167 10.6830

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120174.2664.2930.026310.216200.1220.9058
last 20 years200120174.2664.2930.026310.216200.1220.9058

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 73.2 35.0-0.7373 0.1272-5.7960.9999
EC 73.2500.0 1.9219 0.127215.109<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Gabbard (Thames)


Raw data with assessment

Raw data with assessment of  mercury in biota at Gabbard (Thames)


Assessment plot

Assessment plot for  mercury in biota at Gabbard (Thames)


Metals data

Metals data for assessment of  mercury in biota at Gabbard (Thames)


Metals assessment

Metals assessment of  mercury in biota at Gabbard (Thames)


Related pages

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