Aktuelle Informationen zum Hering in der Ostsee im Hinblick auf deutsche Fischereiinteressen

Germany is planning to construct a new herring factory on the Island of Rügen. This factory will need about 50 000 t of herring per year. For the German fishery this would mean to increase the past 10w 1andings of less than 15 000 t per year to a level which had a1ready been reached by the GDR before the reunification. News of less herring in the Baltic and a decline of German landings in 1998 compared to the years before have led to discussions whether the planned increase in landings could be reached and kept in the future. Information is given in view of German fishery interests about: • the actual assessed herring stock units and the corresponding recent stock development in the Baltic Sea • the Total Allowable Catch (TAC) values for the western and central Baltic Sea in 1998 and in 1999 • the German landings during spring of the years 1993 to 1998 in the Greifswalder Bodden, main German fishery ground in the Baltic Sea

Nigerian German Kainji Lake Fisheries Promotion Project - approach, result, future

The paper highlighted the overall goal and purpose of the Nigerian German Kainji Lake Fisheries Promotion Project. The main goal is to increase the standard of living of fishing communities in the project area. The target groups are the fishermen and fisherwomen in the area. The project also developed in effective extension delivery system in the basin. Also developed at the project headquarters are facilities for the execution of the project. The project are able to carry out frame, gear and stock assessment surveys on the Lake and able to formulate a fisheries management plan for the fisheries of Kainji Lake

An identification key of the most important German freshwater teleost fishes by means of their eggs [Translation from: Archiv fur Hydrobiologie 83(2), 200-212, 1978]

The fetal and larval development of many freshwater fish is already relatively well covered. Coverage of the morphology of fish-species' eggs is very sparse. For this reason the authors have attempted to prepare a key on fish eggs which covers the bulk of German Teleostei fish. The key also includes a discussion of problems of categorization and terminology.

German Eel Model (GEM II) for describing eel, Anguilla anguilla (L.), stock dynamics in the river Elbe system

The eel, Anguilla anguilla (L.), stock of the river Elbe severely decreased during the last decades. Detailed knowledge of the stock dynamics in freshwater and especially of the impact factors is necessary to take effective measures for stock conservation and improvement. The dynamics of the eel stock are modelled based on immigration, stocking, natural mortality and mortalities caused by fishing, angling, cormorants and hydropower plants. The model estimates the number of emigrating eel. Moreover, it enables to study the sensitivity of the estimates related to the uncertainty of the source data of the different influencing factors. The model may be used to develop management strategies and to assess the effi ciency of different management options. Zusammenfassung Der Aalbestand im Elbesystem ist in den letzten Jahrzehnten stark zur