991 resultados para Evangelische Kirche der Altpreussischen Union
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Thesis (doctoral)--Marburg.
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Thesis (doctoral)--Universität München, 1908.
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Mode of access: Internet.
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Each volume has an index.
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herausgegeben von K.G. Boche, evang. Pastor zu Steinkirch, Lauban. Kreis. in Niederschlesien
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hrsg. von Johann N. Gebhard
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von Moses Buttenwieser, Dr.phil.
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In Fraktur
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von Lic.theol. Wilhelm Bousset, Privatdocenten in Göttingen
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von R. Eylert, Königlichem Hof- und Garnisonsprediger, Consitorialrathe und Ritter des rothen Adlerordens dritter Klasse
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Doctoral thesis exploring communist and fascist threats to the parliamentary system
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The international conventions for the protection of the marine environment of the North-east Atlantic Ocean including the North Sea (OSPAR) and the Baltic Sea (HELCOM) as well as the International Council for the Exploration of the Sea (ICES) have modified their structures in the recent years towards a strategy directed approach. Committees and working groups have partly changed only their names but in many cases also the scope of their subjects. In the last two years activities have been initiated to coordinate the tasks of the marine conventions and the European Union and to merge them as much as meaningful and practicable, under a common EU Marine Strategy. This article will reflect how the organisational structures have changed since the last restructuring in the first half of the nineties, and how the contaminant and bioeffect monitoring activities of the Federal Research Centre for Fisheries are implemented in these international conventions.
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A primary objective of the Common Fishery Policy of the European Union is the reduction of discards and unwanted by-catches in the fishery. In principle this could be achieved if the catching methods were optimised for this. Still high numbers of undersized flatfish are caught in the bottom trawls. Although EU regulations make the use of the BACOMA codend mandatory in the Baltic Sea cod areable to escape through square mesh escape window of the BACOMA net the whereas flatfish still remain in the cod-end. Gear experiments have been carried out with the aim to better separate cod from the flatfish fraction already when entering the rear belly, making use of the natural behaviour of the fish, i. e. the preferred swimming distance from the bottom of the net in the funnel. As cod have a natural tendency to keep a relativly great distance from the bottom, flatfish tend to stay close to it. It was attempted to separate both fractions by splitting the funnel into an upper and lower part with a horizontal panel. This wastested for two different nets, a cod trawl to separate cod from flatfish, and an eel-trawl to separate cod and flatfish from eel. Cod and flatfish separation is best at a panel distance of 50 cm from the bottom. Thus, 74 % of the cod were found in the upper panel, whereas 75 % of the flounder were in the lower section. A separation of eel from cod was however not possible, since eel tend to rise to the upper part of the net, together with cod.
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The worldwide aquaculture production amounts to about one third of the world fishery catch. While the world fishery catch in the last years is stagnating and an increase is not to be expected, the aquaculture rose by about 10 % annually. This rate of growth is also predicted for the next years. Fish meal and oil forms a key position for the further development of aquaculture, specially for carnivorous fish species, of which the salmonids will gain an increasing economic importance, not only on the European, but also on the Japanese and American markets. Without an adequate supply of fish meal and oil for the production of these fish species, the expected product quality cannot be realized under economic conditions. Fish meal and oil are commonly produced from small pelagic fish species, which, at present and in the near future, have no importance for direct human consumption. Since December2000 the use of fish meal and oil in Germany is only allowed for use in aquaculture and petfood. However, conclusive arguments for a ban on the utilization for other animal feeds do not exist so far. The European Union continues to allows feeding of other animals – except ruminants – with fish meal under certain control measures.