Plattform Platform	Reise-Nr. Cruise-No.	Zeitraum Period	Projekt Project	Arbeitsgebiet Working area
Thalassa	IBTS 2004	21.01.2004 - 20.02.2004	IBTS	North Sea Southern North Sea

Fahrtleiter Chief Scientist	Institut Institute	Auslaufhafen Port of departure	Einlaufhafen Port of return	Stationskarte Station map	Schiffsroute Trackchart
Verin Yves	Institut Francais de Recherche pour l'Exploitation de la MER (IFREMER), Centre de Boulogne	Lorient	Boulogne

Ziel der Reise / Objectives of Cruise:

CR IBTS 2004 Objectif principal: Constitution de series temporelles d'in - ref 4040010 Seven countries bordering the North Sea contribute to the "International Bottom Trawl Survey" program which has been initiated in the 1970's The main objective is to obtain annual forecasts of recruitment of the various commercial fish species of the North Sea. These estimates are used by ICES Working groups to assess theses various stocks, and to propose management measures for the following year. In addition, the data collected during these surveys concern biological and abundance analysis on main commercial fish species exploited by european countries in the North Sea. The results of these research works are published in international scientific papers and allow knowledge to progress in this field.

Messungen / Measurements