CSEMP assessment of copper 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 | 31.35 | 34.95 | -12.68 | 25.35 | | | |
| linear | 2 | 32.50 | 40.50 | -12.25 | 24.50 | 0.852 | 1 | 0.3561 |
| smooth (df = 2) | 3 | 34.21 | 50.88 | -12.11 | 24.21 | 0.293 | 1 | 0.5886 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2006 | 2017 | 8.808 | 8.546 | -0.26277 | 0.27696 | -0.949 | 0.3794 |
| last 20 years | 2006 | 2017 | 8.808 | 8.546 | -0.26277 | 0.27696 | -0.949 | 0.3794 |
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
