Projects

CSEMP assessment of mercury in biota at Camarthen Bay

Statistical analysis

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean144.0646.63-19.0338.06
linear243.2848.61-17.6435.282.775 10.0958
smooth (df = 2)343.4153.41-16.7033.411.875 10.1709
smooth (df = 3)445.0363.03-16.5233.030.372 10.5420

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200320163.9164.3950.47840.26741.7890.1114
last 20 years200320163.9164.3950.47840.26741.7890.1114

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 81 35-0.8393 0.1720-4.8790.9994
EC 81500 1.8200 0.172010.580<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