Projects

CSEMP assessment of mercury in biota at Camarthen Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean145.1047.35-19.5539.10
linear245.3549.93-18.6837.351.743 10.1867
smooth (df = 2)347.3055.63-18.6537.300.056 10.8129
smooth (df = 3)446.8761.27-17.4434.872.426 10.1194

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320183.9674.3220.35530.25861.3740.2027
last 20 years200320183.9674.3220.35530.25861.3740.2027

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 75.4 35.0-0.7671 0.1667-4.6020.9994
EC 75.4500.0 1.8921 0.166711.350<0.0001

 


Raw data with supporting information

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


Raw data with assessment

Raw data with assessment of  mercury in biota at Camarthen Bay


Assessment plot

Assessment plot for  mercury in biota at Camarthen Bay


Metals data

Metals data for assessment of  mercury in biota at Camarthen Bay


Metals assessment

Metals assessment of  mercury 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