Projects

CSEMP assessment of lead in biota at Burbo Light (Liverpool Bay)

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean182.3384.58-38.1676.33
linear276.2180.78-34.1168.218.115 10.0044
smooth (df = 2)378.1586.48-34.0768.150.067 10.7963
smooth (df = 3)479.0693.46-33.5367.061.089 10.2966

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120165.1006.3941.29420.37343.4660.0071
last 20 years200120165.1006.3941.29420.37343.4660.0071

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 598.2 26.0-3.1358 0.2376-13.1991.0000
EC 598.21500.0 0.9193 0.2376 3.8700.0019

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Burbo Light (Liverpool Bay)


Raw data with assessment

Raw data with assessment of  lead in biota at Burbo Light (Liverpool Bay)


Assessment plot

Assessment plot for  lead in biota at Burbo Light (Liverpool Bay)


Metals data

Metals data for assessment of  lead in biota at Burbo Light (Liverpool Bay)


Metals assessment

Metals assessment of  lead in biota at Burbo Light (Liverpool Bay)


Related pages

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