Projects

CSEMP assessment of lead in biota at Red Wharf

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean1111.23113.80-52.62105.23
linear2111.42116.75-51.71103.421.816 10.1778
smooth (df = 2)3106.95116.95-48.48 96.956.462 10.0110
smooth (df = 3)4103.22121.22-45.61 91.225.735 10.0166

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120144.4573.744-0.7133 0.5027-1.4190.1937
last 20 years200120144.4573.744-0.7133 0.5027-1.4190.1937

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 42.3 26.0-0.486 0.303-1.6040.9263
EC 42.31500.0 3.570 0.30311.795<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in biota at Red Wharf


Assessment plot

Assessment plot for  lead in biota at Red Wharf


Metals data

Metals data for assessment of  lead in biota at Red Wharf


Metals assessment

Metals assessment of  lead 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