Persistent pollutant concentrations in fish feed
Scope
Persistent pollutant concentrations in fish feed describes the relative level of pollutants (compared with the business as usual) that can be achieved via changing the raw material and processes of producing fish feed.
Definition
Data
Pollutant concentrations in fish feed can be further reduced from current levels. The estimate of 0-100 % with a gradual decrease in probability density is based on author judgement. It reflects rather a theoretical range of improvement than a realistic estimate.
Causality
Upstream variables
- None
Unit
fraction
Formula
<anacode>var a:= (if reg_poll='More actions' then impr_in_feed else 0); Feed_backgr*(1-a)</anacode>
Result
| Statistics or fractile | Business as usual | Stricter rules for feed |
| Mean | 1 | 0.67 |
| SD | 0 | 0.24 |
| 0.01 | 1 | 0.1 |
| 0.025 | 1 | 0.16 |
| 0.05 | 1 | 0.22 |
| 0.25 | 1 | 0.5 |
| 0.5 (Median) | 1 | 0.71 |
| 0.75 | 1 | 0.87 |
| 0.95 | 1 | 0.97 |
| 0.975 | 1 | 0.99 |
| 0.99 | 1 | 0.99 |