Projects

CSEMP assessment of lead in biota at Firth of Forth @ Fernyness

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean13.97 6.221.02-2.03
linear24.66 9.231.67-3.341.309 10.2526
smooth (df = 2)36.4914.821.75-3.510.170 10.6803
smooth (df = 3)48.1722.571.92-3.830.321 10.5712

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920126.3456.048-0.29637 0.25157-1.1780.2690
last 20 years199920126.3456.048-0.29637 0.25157-1.1780.2690

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 423.4 211.9-0.6923 0.1257-5.5080.9998
EC 423.41500.0 1.2648 0.125710.064<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Firth of Forth @ Fernyness


Raw data with assessment

Raw data with assessment of  lead in biota at Firth of Forth @ Fernyness


Assessment plot

Assessment plot for  lead in biota at Firth of Forth @ Fernyness


Metals data

Metals data for assessment of  lead in biota at Firth of Forth @ Fernyness


Metals assessment

Metals assessment of  lead in biota at Firth of Forth @ Fernyness


Related pages

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