CSEMP assessment of cadmium in sediment at inner (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 79.17 | 80.67 | -36.58 | 73.17 | | | |
| linear | 2 | 80.79 | 83.70 | -36.40 | 72.79 | 0.377 | 1 | 0.5391 |
| smooth (df = 2) | 3 | 79.54 | 84.54 | -34.77 | 69.54 | 3.256 | 1 | 0.0711 |
| smooth (df = 3) | 4 | 74.55 | 82.55 | -31.28 | 62.55 | 6.984 | 1 | 0.0082 |
| smooth (df = 4) | 5 | 74.79 | 87.04 | -30.40 | 60.79 | 1.759 | 1 | 0.1848 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2016 | -1.7611 | -1.5754 | 0.18565 | 0.30244 | 0.614 | 0.5499 |
| last 20 years | 2000 | 2016 | -1.7611 | -1.5754 | 0.18565 | 0.30244 | 0.614 | 0.5499 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.2069 | 0.3100 | 0.4043 | 0.1710 | 2.364 | 0.0172 |
| ERL | 0.2069 | 1.2000 | 1.7578 | 0.1710 | 10.279 | <0.0001 |
Raw data with supporting information
__sdmn_cd_au.jpg "Raw data with supporting information for assessment of cadmium in sediment at inner (Firth of Clyde)")
Raw data with assessment
__sdmn_cd_da.jpg "Raw data with assessment of cadmium in sediment at inner (Firth of Clyde)")
Assessment plot
__sdmn_cd_as.jpg "Assessment plot for cadmium in sediment at inner (Firth of Clyde)")
Metals data
__sdmn_mtlsda.jpg "Metals data for assessment of cadmium in sediment at inner (Firth of Clyde)")
Metals assessment
__sdmn_mtlsas.jpg "Metals assessment of cadmium in sediment at inner (Firth of Clyde)")
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for metals in sediment
- Accessment criteria for metals in sediment
