Table 3.
Data quality tiers used in Productivity Susceptibility Analysis (PSA) [42].
| DQ Scores | DQ | Description | Example |
|---|---|---|---|
| 1 | Best | Information is based on collected data for the stock and area of interest that is established and substantial | Data-rich stock assessment; published literature for which multiple methods are used, etc. |
| 2 | Adequate | Information is based on limited coverage and corroboration, or for some other reason is deemed not as reliable as tier-1 data | Limited temporal or spatial data, relatively old information, etc. |
| 3 | Limited | Estimates with high variation and limited confidence, and which may be based on studies of similar taxa or life history strategies | Similar genus or family, etc. |
| 4 | Very limited | Information based on expert opinion or general literature reviews from a wide range of species, or from outside of the region, or data derived by equations using the correlated life history parameter | General data not referenced |
| 5 | No data | No information |