Projects

CSEMP assessment of lead in biota at Tay estuary @ Broughty Castle

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean112.4215.42-4.218.42
linear214.2722.27-4.138.270.152 10.6963
smooth (df = 2)311.3031.30-1.653.304.972 10.0258

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620126.1595.964-0.1946 0.4962-0.3920.7110
last 20 years200620126.1595.964-0.1946 0.4962-0.3920.7110

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 389.2 211.9-0.6079 0.2978-2.0420.9517
EC 389.21500.0 1.3492 0.2978 4.5310.0031

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Tay estuary @ Broughty Castle


Raw data with assessment

Raw data with assessment of  lead in biota at Tay estuary @ Broughty Castle


Assessment plot

Assessment plot for  lead in biota at Tay estuary @ Broughty Castle


Metals data

Metals data for assessment of  lead in biota at Tay estuary @ Broughty Castle


Metals assessment

Metals assessment of  lead in biota at Tay estuary @ Broughty Castle


Related pages

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