CSEMP assessment of zinc in biota at Cork Hole (Wash)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | -19.42 | -14.92 | 12.71 | -25.42 | | | |
| linear | 2 | -17.49 | -6.82 | 12.74 | -25.49 | 0.065 | 1 | 0.7994 |
| smooth (df = 2) | 3 | -15.49 | 9.51 | 12.75 | -25.49 | 0.007 | 1 | 0.9331 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 1999 | 2015 | 9.465 | 9.501 | 0.03558 | 0.13982 | 0.254 | 0.8093 |
| last 20 years | 1999 | 2015 | 9.465 | 9.501 | 0.03558 | 0.13982 | 0.254 | 0.8093 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 13367 | 10269 | -0.26365 | 0.09635 | -2.736 | 0.9795 |
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
