CSEMP assessment of zinc in sediment at Fladen Ground

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1-3.09 1.414.55 -9.09
linear2-1.54 9.134.77 -9.540.445 10.5045
smooth (df = 2)3-1.3623.645.68-11.361.824 10.1768

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200620133.9373.853-0.08387 0.12533-0.6690.5330
last 20 years200620133.9373.853-0.08387 0.12533-0.6690.5330

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 47.14122.000.95090.085911.075<0.0001
ERL 47.14150.001.15760.085913.482<0.0001


Related pages

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