Projects

CSEMP assessment of lead in biota at Morecambe Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean194.56 96.81-44.2888.56
linear290.89 95.46-41.4482.895.670 10.0173
smooth (df = 2)392.26100.59-41.1382.260.631 10.4272
smooth (df = 3)494.20108.60-41.1082.200.057 10.8113

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200120165.6027.0401.43810.52872.7200.0236
last 20 years200120165.6027.0401.43810.52872.7200.0236

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC1141.9 26.0-3.782 0.327-11.5831.0000
EC1141.91500.0 0.273 0.327 0.8350.2126

 


Raw data with supporting information

Raw data with supporting information for assessment of  lead in biota at Morecambe Bay


Raw data with assessment

Raw data with assessment of  lead in biota at Morecambe Bay


Assessment plot

Assessment plot for  lead in biota at Morecambe Bay


Metals data

Metals data for assessment of  lead in biota at Morecambe Bay


Metals assessment

Metals assessment of  lead in biota at Morecambe Bay


Related pages

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