Projects

CSEMP assessment of mercury in biota at Red Wharf

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean126.2228.02-10.1120.22
linear225.1128.67 -8.5617.113.112 10.0777
smooth (df = 2)327.1033.35 -8.5517.100.012 10.9122
smooth (df = 3)429.0639.35 -8.5317.060.034 10.8537

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920165.0544.741-0.31256 0.16663-1.8760.0875
last 20 years199920165.0544.741-0.31256 0.16663-1.8760.0875

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC114.6 35.0-1.1857 0.1022-11.6011.0000
EC114.6500.0 1.4735 0.1022 14.416<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Red Wharf


Raw data with assessment

Raw data with assessment of  mercury in biota at Red Wharf


Assessment plot

Assessment plot for  mercury in biota at Red Wharf


Metals data

Metals data for assessment of  mercury in biota at Red Wharf


Metals assessment

Metals assessment of  mercury in biota at Red Wharf


Related pages

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