CSEMP assessment of cadmium in biota at Amble
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 63.08 | 65.33 | -28.54 | 57.08 | |||
linear | 2 | 64.20 | 68.77 | -28.10 | 56.20 | 0.884 | 1 | 0.3472 |
smooth (df = 2) | 3 | 65.20 | 73.53 | -27.60 | 55.20 | 0.998 | 1 | 0.3178 |
smooth (df = 3) | 4 | 67.20 | 81.60 | -27.60 | 55.20 | 0.004 | 1 | 0.9511 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2002 | 2017 | 5.154 | 5.396 | 0.24291 | 0.25318 | 0.959 | 0.3624 |
last 20 years | 2002 | 2017 | 5.154 | 5.396 | 0.24291 | 0.25318 | 0.959 | 0.3624 |
Status assessment
Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) | |
---|---|---|---|---|---|---|
BAC | 220.6 | 26.0 | -2.1384 | 0.1652 | -12.943 | 1.0000 |
EC | 220.6 | 1000.0 | 1.5113 | 0.1652 | 9.147 | <0.0001 |
Raw data with supporting information
Raw data with assessment
Assessment plot
Metals data
Metals assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for metals in biota
- Accessment criteria for metals in biota
Media : Biota (Common dab liver)
Station : TyneTees_TTInter_fi01 (Amble)
Determinand : Cadmium
Units : μg kg-1 wet weight
Data extraction : 30 April 2020
Station : TyneTees_TTInter_fi01 (Amble)
Determinand : Cadmium
Units : μg kg-1 wet weight
Data extraction : 30 April 2020