Fischbestände der Ostsee, ihre Entwicklung in den Jahren seit 1970 und Schlussfolgerungen für ihre fischereiliche Nutzung. Teil 1: Dorsch | Fish stocks of the Baltic Sea their development since 1970 and conclusions for sustainable exploitation.
1999
Rechlin, Otto
On the basis of the ”Gdansk Convention on Preservation of Living Resources of the Baltic Sea” the International Baltic Sea Fishery Commission (IBSFC) has been regulating catches of most important fish species in the area since 1974. This article reviews, in a first step for Baltic Sea cod, the development of stocks and fishery since 1970 in the light of respective catch regulations of IBSFC. TACs have been fixed by IBSFC by species for the whole Baltic Sea and resulting quotas have been split according to national and/or international fishery zones from 1975 up to now. The Baltic Sea cod is on biological background treated in scientific stock assessment as two separate stocks. Both stocks, in the western and eastern Baltic Sea, show clearly different developments over the period since 1970. After a short living peak in stock size of the eastern compartment about 20 years ago this stock has been on a very low level since the late 1980’s. During that period with increasing effort big cod catches have been landed.. The level of fishing effort is more or less the same still with much lower catches nowadays. A detailed description of development of stock sizes and recruitment is given. The conclusion is that with the present regime of regulation on the basis of one TAC for the total Baltic Sea and with high fishing capacity available for cod it will be impossible to meet the aim of good and stable yields.
Show more [+] Less [-]Johann Heinrich von Thünen-Institute, Federal Research Institute for Rural Areas, Forestry and Fisheries began publishing the Informationen aus der Fischereiforschung = Information on Fishery research in 2010.
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