|
DEFINITION
|
|
The number of days in a reference period (e.g. a calendar month) during which fishing activities are "normal" i.e. different from zero or not negligible. Often used as an extrapolation factor in catch assessment surveys for the purpose of fishery statistics. |
|
Modified from FAO (1998): Guidelines for the routine collection of capture fishery data. FAO Fish. Tech. Pap, 382: 113 p.
|
| RELATED TERMS |
|
|
no related terms
|
| ALTERNATE SPELLING |
|
no alternate spelling
|
|
