Report of the International Bottom Trawl Survey in the North Sea, Skagerrak and Kattegat in 1993: Quarter 2, 3 and 4

This report presents the final results for the International Bottom Trawl Survey (IBTS) in the seeond, third and

fourth quarter of 1993. The survey was formerly ea11ed the International Young Fish Survey (lYFS). In 1990 it

was decided to eombine the effort of the International Young Fish Survey with a number of national surveys such as the English and Seottish Groundfish Surveys into a quarterly coordinated bottom trawl survey, to be held for a

period of 5 years. These quarterly surveys started in 1991. This report presents the results of the quarterly surveys

in 1993. The results for the first quarter IBTS are also given in separate reports, but first quarter indices are given in this report as weil to give a better overview of the changes within a whole year.