Deutsches Ozeanographisches
Datenzentrum Inventur der Walther Herwig II-Reise 138 (DOD-Ref-No.19960201)
Inventory of Walther Herwig II Cruise 138 (DOD-Ref-No.19960201)

Plattform
Platform
Reise-Nr.
Cruise-No.
Zeitraum
Period
Projekt
Project
Arbeitsgebiet
Working area
Walther Herwig II 138 05.11.1993 - 29.11.1993   North Sea  

Fahrtleiter
Chief Scientist
Institut
Institute
Auslaufhafen
Port of departure
Einlaufhafen
Port of return
Stationskarte
Station map
Schiffsroute
Trackchart
Thiele W. Institut fur Fangtechnik der BFA Hamburg Bremerhaven Bremerhaven   

Ziel der Reise / Objectives of Cruise:

Underwater TV observation of bottom trawls. Selectivity trials with sorting grids, investigation of different bar distances and fish gears. Trials with different ground ropes to estimate the escapement rate of youngfish under the groundrope.

Messungen / Measurements

Institut
Institute
Wissenschaftler
Scientist
Anzahl
Number
Einheit
Unit
Typ der Messungen
Type of measurements
Kommentar
Comments
Daten im DOD
Data in DOD
IFH Thiele W. 3 no unit B90
Other biological / fishery measurements
Underwater video shots of sorting grids, sampling of fish length and weight data no
23.3.2024