Projects

CSEMP assessment of lead in biota at Strangford Lough

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean182.3185.31-38.1676.31
linear283.3889.78-37.6975.380.933 10.3340
smooth (df = 2)385.3897.88-37.6975.380.000 10.9866

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200520145.7026.1470.44450.44940.9890.3556
last 20 years200520145.7026.1470.44450.44940.9890.3556

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 467.2 211.9-0.7907 0.2848-2.7760.9863
EC 467.21500.0 1.1664 0.2848 4.0950.0023

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Strangford Lough


Raw data with assessment

Raw data with assessment of  lead in biota at Strangford Lough


Assessment plot

Assessment plot for  lead in biota at Strangford Lough


Metals data

Metals data for assessment of  lead in biota at Strangford Lough


Metals assessment

Metals assessment of  lead in biota at Strangford Lough


Related pages

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