Reports of the ICES Advisory Committee on Fishery Management, 1992. Part 2.

A general review of officially-reported catches in the Baltic is given in Tables 1.1.-1.5. These are the catches officially reported to ICES by national statistical offices for publication in the ICES Fishery Statistics. In the assessments, the working groups try to estimate discards and slipped fish, landings which are not officially reported, and the composition of by-catches. These amounts are included in the estimates of total catch for each stock and are used in the assessments; thus, they appear in the tables and figures produced by working groups. These estimates vary considerably between different stocks and fisheries, being negligible in some cases and constituting important parts of the total removals from other stocks. Further, the catches used by the working groups are broken down into sub-divisions, whereas the officially-reported figures are reported by the larger Divisions IIIb,c and d. The trends in Tables 1.1-1.5 may not, therefore, correspond with those on which assessments have been based, and are presented for information only, without any comment from ACFM. The 1990 catches listed under the Federal Republic of Germany and the German Democratic Republic refer to catches taken by vessels from the respective former territories during the whole of 1990, before and after political union. Thus catches taken by vessels registered in the former German Democratic Republic in the months after unification are included in the German Democratic Republic figures. The catch data used in the assessments are given in other tables.