Projects

CSEMP assessment of mercury in biota at Ferry Crossing (Tyne)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean111.7113.51-2.865.71
linear211.6715.22-1.833.672.049 10.1523
smooth (df = 2)312.8219.07-1.412.820.840 10.3594
smooth (df = 3)413.9924.28-1.001.990.830 10.3621

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220173.4232.977-0.4461 0.3046-1.4650.1710
last 20 years200220173.4232.977-0.4461 0.3046-1.4650.1710

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 19.6 14.7-0.291 0.171-1.7060.9420
EC 19.6500.0 3.238 0.17118.970<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Ferry Crossing (Tyne)


Raw data with assessment

Raw data with assessment of  mercury in biota at Ferry Crossing (Tyne)


Assessment plot

Assessment plot for  mercury in biota at Ferry Crossing (Tyne)


Metals data

Metals data for assessment of  mercury in biota at Ferry Crossing (Tyne)


Metals assessment

Metals assessment of  mercury in biota at Ferry Crossing (Tyne)


Related pages

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