CSEMP assessment of c2 naphthalenes in sediment at middle (Firth of Clyde)
Statistical analysis
Trend assessment
Analysis of variance
| | Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) |
| mean | 1 | 130.45 | 133.45 | -62.23 | 124.45 | | | |
| linear | 2 | 132.21 | 138.61 | -62.10 | 124.21 | 0.244 | 1 | 0.6210 |
| smooth (df = 2) | 3 | 134.06 | 146.56 | -62.03 | 124.06 | 0.149 | 1 | 0.6995 |
Change in log concentration
| | Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) |
| overall | 2009 | 2017 | 4.828 | 4.992 | 0.164 | 0.331 | 0.496 | 0.6354 |
| last 20 years | 2009 | 2017 | 4.828 | 4.992 | 0.164 | 0.331 | 0.496 | 0.6354 |
Status assessment
No assessment criteria
Raw data with supporting information
__sdmn_napc2_au.jpg "Raw data with supporting information for assessment of c2 naphthalenes in sediment at middle (Firth of Clyde)")
Raw data with assessment
__sdmn_napc2_da.jpg "Raw data with assessment of c2 naphthalenes in sediment at middle (Firth of Clyde)")
Assessment plot
__sdmn_napc2_as.jpg "Assessment plot for c2 naphthalenes in sediment at middle (Firth of Clyde)")
PAH (alkylated) data
__sdmn_p(l)da.jpg "PAH (alkylated) data for assessment of c2 naphthalenes in sediment at middle (Firth of Clyde)")
PAH (alkylated) assessment
__sdmn_p(l)as.jpg "PAH (alkylated) assessment of c2 naphthalenes in sediment at middle (Firth of Clyde)")
Related pages
