CSEMP assessment of zinc in biota at Tees Bay
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 2.75 | 6.35 | 1.62 | -3.25 | | | |
| linear | 2 | 4.51 | 12.51 | 1.74 | -3.49 | 0.240 | 1 | 0.6242 |
| smooth (df = 2) | 3 | 3.42 | 20.09 | 3.29 | -6.58 | 3.090 | 1 | 0.0788 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2017 | 10.173 | 10.057 | -0.11655 | 0.23607 | -0.494 | 0.6391 |
| last 20 years | 2006 | 2017 | 10.173 | 10.057 | -0.11655 | 0.23607 | -0.494 | 0.6391 |
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
