Projects

CSEMP assessment of lead in biota at Off Boston (Wash)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1 8.8011.05-1.40 2.80
linear210.1314.70-1.07 2.130.667 10.4142
smooth (df = 2)3 8.2316.56 0.89-1.773.904 10.0482
smooth (df = 3)4 8.3922.79 1.80-3.611.832 10.1759

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920175.8095.542-0.2674 0.3222-0.8300.4280
last 20 years199920175.8095.542-0.2674 0.3222-0.8300.4280

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 255.1 211.9-0.1856 0.1992-0.9320.8121
EC 255.11500.0 1.7715 0.1992 8.895<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Off Boston (Wash)


Raw data with assessment

Raw data with assessment of  lead in biota at Off Boston (Wash)


Assessment plot

Assessment plot for  lead in biota at Off Boston (Wash)


Metals data

Metals data for assessment of  lead in biota at Off Boston (Wash)


Metals assessment

Metals assessment of  lead in biota at Off Boston (Wash)


Related pages

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