In this paper, a discrete time, multi-gear and age structured bio-economic model is developed for the Northern Atlantic Bluefin Tuna, which is a paradigmatic example of the difficulties faced in managing highly migratory fish stocks. The 1995 U.N. Fish Stocks Agreement provides guidance as to...

The fundamental requirement for stock assessments is to provide a rational basis for the management of fishery resources. Data-deficient fisheries present a challenge as they only provide a limited basis for management decisions. The nature and extent of data-deficient fisheries in European...

The European Union's policy on fisheries agreements is being conducted against a background of the full exploitation or even overexploitation of the potential of many of the world's renewable marine resources. Nearly 16% of the stocks for which information is available are acknowledged to be...

Die Rubrik »Kurz zum Klima« erscheint nun bereits seit drei Jahren mit nahezu 60 Ausgaben. Dieser Beitrag greift drei Themen aus den Bereichen Energie-, Klima- und Umweltpolitik – das Reserven-Produktions-Verhältnis, die weltweite CO2-Reduktion und das Problem der Überfischung – erneut...

In most coastal developing countries, the artisanal fisheries sector is managed as a common pool resource. As a result, such fisheries are overcapitalized and overfished. In Ghana, in addition to anthropogenic factors, there is evidence of rising coastal temperature and its variance, which could...