| Plattform Platform |
Reise-Nr. Cruise-No. |
Zeitraum Period |
Projekt Project |
Arbeitsgebiet Working area |
|---|---|---|---|---|
| Tridens II | 2005 wk 26-29 | 27.06.2005 - 22.07.2005 | North Sea |
| Fahrtleiter Chief Scientist | Institut Institute | Auslaufhafen Port of departure | Einlaufhafen Port of return | Stationskarte Station map | Schiffsroute Trackchart |
|---|---|---|---|---|---|
| Heessen Henk J.L. | Rijksinstituut voor Visserijonderzoek, Netherlands Institute for Fisheries Research | Aberdeen | Leith |
Ziel der Reise / Objectives of Cruise:
The purpose of the survey is to estimate the herring stock of the North Sea. The ICES Herring Assessment Working Group (HAWG) uses this estimation as a "tuning index" to assess the North Sea herring stock.
Messungen / Measurements
| Institut Institute |
Wissenschaftler Scientist |
Anzahl Number |
Einheit Unit |
Typ der Messungen Type of measurements |
Kommentar Comments |
Daten im DOD Data in DOD |
|---|---|---|---|---|---|---|
| RIVO | Ybema Sytse | 27 | hauls | B14 Pelagic fish |
Pelagic trawl at bottom depth, length, age and maturity stages | no |
| RIVO | Ybema Sytse | 2000 | n miles | B28 Acoustic reflection on marine organisms |
Hydro acoustic data | no |
| RIVO | Ybema Sytse | 48 | stations | H10 CTD-Stations |
CTD Casts | no |