CSEMP assessment of zinc in biota at Camarthen Bay
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | -29.75 | -26.15 | 17.88 | -35.75 | | | |
| linear | 2 | -27.81 | -19.81 | 17.90 | -35.81 | 0.054 | 1 | 0.8162 |
| smooth (df = 2) | 3 | -26.05 | -9.39 | 18.03 | -36.05 | 0.245 | 1 | 0.6206 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2018 | 10.013 | 10.064 | 0.05192 | 0.22243 | 0.233 | 0.8232 |
| last 20 years | 2006 | 2018 | 10.013 | 10.064 | 0.05192 | 0.22243 | 0.233 | 0.8232 |
Status assessment
No assessment criteria
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
