Plattform Platform	Reise-Nr. Cruise-No.	Zeitraum Period	Projekt Project	Arbeitsgebiet Working area
Dana	BITS 1q 2010	01.03.2010 - 22.03.2010	BITS	Baltic Sea

Fahrtleiter Chief Scientist	Institut Institute	Auslaufhafen Port of departure	Einlaufhafen Port of return	Stationskarte Station map	Schiffsroute Trackchart
Degel Henrik	Technical University of Denmark National Institute of Aquatic Resources	Hirtshals	Hirtshals

Ziel der Reise / Objectives of Cruise:

? To estimate the abundance and the year class strength of the Baltic cod stock in ICES Sub-divisions 25 and 26. The 1st quarter survey is together with the 4th quarter survey part of the Danish contribution to the "Baltic International Trawl Survey" (BITS). The main goal of the surveys is to provide the Baltic assessment working group fishery independent data to use for assessment in ICES the working group in April. Furthermore, all fish species are species determination, measured and weighted. ? To measure temperature, salinity and oxygen at the fishing location. The measurements are conducted with a CTD. ? To take individual samples of cod and flatfish to analyses of age determination, sex, weight and maturity state. During night time plankton samples are taken to estimate the density of cod larvae and Mnemiopsis leidyi.

Messungen / Measurements