Projects

CSEMP assessment of mercury in biota at North Dogger 2

Statistical analysis

Details

Media : Biota (Common dab muscle)
Station : HumWash_HWOpenSeaNE_fi02 (North Dogger 2)
Determinand : Mercury
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean153.9356.50-23.9647.93
linear255.9161.25-23.9647.910.012 10.9118
smooth (df = 2)356.6766.67-23.3446.671.242 10.2651
smooth (df = 3)458.2876.28-23.1446.280.389 10.5329

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall200220154.2794.3160.03650.32910.1110.9145
last 20 years200220154.2794.3160.03650.32910.1110.9145

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC 74.9 35.0-0.7605 0.2182-3.4850.9959
EC 74.9500.0 1.8987 0.2182 8.700<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at North Dogger 2


Raw data with assessment

Raw data with assessment of  mercury in biota at North Dogger 2


Assessment plot

Assessment plot for  mercury in biota at North Dogger 2


Metals data

Metals data for assessment of  mercury in biota at North Dogger 2


Metals assessment

Metals assessment of  mercury in biota at North Dogger 2


Related pages

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