Projects

CSEMP assessment of lead in biota at Camarthen Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean162.0065.00-28.0056.00
linear262.1468.54-27.0754.141.859 10.1727
smooth (df = 2)363.2175.71-26.6153.210.930 10.3348

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320144.7575.1900.43290.30281.4300.1959
last 20 years200320144.7575.1900.43290.30281.4300.1959

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 179.5 26.0-1.9320 0.1926-10.0301.0000
EC 179.51500.0 2.1231 0.1926 11.023<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  lead in biota at Camarthen Bay


Assessment plot

Assessment plot for  lead in biota at Camarthen Bay


Metals data

Metals data for assessment of  lead in biota at Camarthen Bay


Metals assessment

Metals assessment of  lead in biota at Camarthen Bay


Related pages

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