Projects

CSEMP assessment of lead in biota at Hebburn (Tyne)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean174.7977.79-34.3968.79
linear270.2576.65-31.1262.256.541 10.0105
smooth (df = 2)370.4382.93-30.2260.431.815 10.1779

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920125.7124.723-0.9895 0.3222-3.0710.0181
last 20 years199920125.7124.723-0.9895 0.3222-3.0710.0181

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 112.5 26.0-1.4646 0.2064-7.0970.9999
EC 112.51500.0 2.5906 0.206412.554<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Hebburn (Tyne)


Raw data with assessment

Raw data with assessment of  lead in biota at Hebburn (Tyne)


Assessment plot

Assessment plot for  lead in biota at Hebburn (Tyne)


Metals data

Metals data for assessment of  lead in biota at Hebburn (Tyne)


Metals assessment

Metals assessment of  lead in biota at Hebburn (Tyne)


Related pages

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