Projects

CSEMP assessment of lead in biota at Tay estuary @ Stannergate

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean118.0220.59-6.0112.02
linear219.9825.31-5.9911.98 0.041 10.8394
smooth (df = 2)311.6521.65-0.83 1.6510.330 10.0013
smooth (df = 3)4 9.0727.07 1.46-2.93 4.576 10.0324

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320125.8515.9390.08870.43730.2030.8443
last 20 years200320125.8515.9390.08870.43730.2030.8443

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 379.7 211.9-0.5832 0.2511-2.3230.9757
EC 379.71500.0 1.3739 0.2511 5.4720.0003

 


Raw data with supporting information

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


Raw data with assessment

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


Assessment plot

Assessment plot for  lead in biota at Tay estuary @ Stannergate


Metals data

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


Metals assessment

Metals assessment of  lead in biota at Tay estuary @ Stannergate


Related pages

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