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 | 80.11 | 81.50 | -37.06 | 74.11 | | | |
| linear | 2 | 81.43 | 84.10 | -36.72 | 73.43 | 0.681 | 1 | 0.4092 |
| smooth (df = 2) | 3 | 81.64 | 86.18 | -35.82 | 71.64 | 1.793 | 1 | 0.1805 |
| smooth (df = 3) | 4 | 75.05 | 82.25 | -31.53 | 63.05 | 8.587 | 1 | 0.0034 |
| smooth (df = 4) | 5 | 75.40 | 86.29 | -30.70 | 61.40 | 1.646 | 1 | 0.1995 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2000 | 2017 | -1.7722 | -1.5347 | 0.2375 | 0.2879 | 0.825 | 0.4232 |
| last 20 years | 2000 | 2017 | -1.7722 | -1.5347 | 0.2375 | 0.2879 | 0.825 | 0.4232 |
Status assessment
| | Conc fitted | Conc ref | Log ratio | Std error | t | Pr(>t) |
| BAC | 0.2155 | 0.3100 | 0.3635 | 0.1626 | 2.235 | 0.0211 |
| ERL | 0.2155 | 1.2000 | 1.7170 | 0.1626 | 10.559 | <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
