Projects

CSEMP assessment of mercury in biota at Red Wharf

Statistical analysis

Details

Media : Biota (Common dab muscle)
Station : IrishSea_IrSIntermediateE_fi06 (Red Wharf)
Determinand : Mercury
Units : μg kg-1 wet weight
Data extraction : 20 July 2018

Trend assessment

Analysis of variance

 DfAICAICcLog likDevianceChisqChi dfPr(>Chisq)
mean128.9930.99-11.5022.99
linear228.5232.52-10.2620.522.473 10.1158
smooth (df = 2)330.5137.65-10.2520.510.011 10.9172
smooth (df = 3)432.4844.48-10.2420.480.027 10.8686

Change in log concentration

 Year startYear endFit startFit endChangeStd errortPr(>|t|)
overall199920165.0544.738-0.31596 0.19067-1.6570.1285
last 20 years199920165.0544.738-0.31596 0.19067-1.6570.1285

Status assessment

 Conc fittedConc refLog ratioStd errortPr(>t)
BAC114.2 35.0-1.1830 0.1216-9.7251.0000
EC114.2500.0 1.4763 0.121612.137<0.0001

 


Raw data with supporting information

Raw data with supporting information for assessment of  mercury in biota at Red Wharf


Raw data with assessment

Raw data with assessment of  mercury in biota at Red Wharf


Assessment plot

Assessment plot for  mercury in biota at Red Wharf


Metals data

Metals data for assessment of  mercury in biota at Red Wharf


Metals assessment

Metals assessment of  mercury in biota at Red Wharf


Related pages

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