CSEMP assessment of c2 phenanthrenes in sediment at North Minch
Statistical analysis
Trend assessment
Analysis of variance
Df | AIC | AICc | Log lik | Deviance | Chisq | Chi df | Pr(>Chisq) | |
---|---|---|---|---|---|---|---|---|
mean | 1 | 72.22 | 75.22 | -33.11 | 66.22 | |||
linear | 2 | 73.97 | 80.37 | -32.98 | 65.97 | 0.252 | 1 | 0.6159 |
smooth (df = 2) | 3 | 75.38 | 87.88 | -32.69 | 65.38 | 0.586 | 1 | 0.4440 |
Change in log concentration
Year start | Year end | Fit start | Fit end | Change | Std error | t | Pr(>|t|) | |
---|---|---|---|---|---|---|---|---|
overall | 2006 | 2016 | 2.9339 | 3.0530 | 0.11912 | 0.23665 | 0.503 | 0.6301 |
last 20 years | 2006 | 2016 | 2.9339 | 3.0530 | 0.11912 | 0.23665 | 0.503 | 0.6301 |
Status assessment
No assessment criteria
Raw data with supporting information
Raw data with assessment
Assessment plot
PAH (alkylated) data
PAH (alkylated) assessment
Related pages
- Clean Seas Environment Monitoring Programme (CSEMP) accessment viewer tool
- Assessment methodology for pah_(alkylated) in sediment
- Accessment criteria for pah_(alkylated) in sediment
Media : Sediment (unsieved)
Station : MinchMalin_TheMinchNorth_se01 (North Minch)
Determinand : C2 Phenanthrenes
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020
Station : MinchMalin_TheMinchNorth_se01 (North Minch)
Determinand : C2 Phenanthrenes
Units : μg kg-1 dry weight normalised to 2.5% organic carbon
Data extraction : 30 April 2020