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As a group, carp provide 4 million metric tonnes of fish annually - over a quarter of all fish culture worldwide. For the first time, a book is available in English that concentrates solely on the carp as an economic rather than an ornamental fish with a panel of international experts producing a comprehensive, practical volume about carp production and management. Starting with a brief look at the biology of cyprinids, the book then discusses the methods and management of carp farming, from water quality to the economics of fish production in ponds. Novel methods to improve stock, including genetic engineering, are covered and case studies give added value to the text. As carp farming turns from traditional to intensive methods, farmers, researchers and technicians in industry will welcome this benchmark volume, which also is a valuable reference book for graduate and postgraduate students and lecturers in aquaculture.
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La contestation du pouvoir, dans la foulée de mai 68, s'est progressivement orientée vers la dénonciation d'une modernité trop matérialiste. La contre-culture et l'écologie politique naissante ont ainsi magnifié la nature et encensé un mode de vie communautaire. Or cet essai démontre comment l'irruption de la nature à gauche de l'échiquier politique a permis le retour de théories conservatrices.
The book aims at synthesizing our current knowledge of Acipenser sturio and its management. This species, one of the most widespread sturgeon species all over Western Europe ranging from the Black Sea to the Baltic, is now on the verge of extinction. Major aspects of its biology and management, including mismanagement, are provided in a historic perspective. Similarly, the changes in the restoration programs (in situ and ex situ) initiated in France and Germany are presented. As the species occurred in sympatry with Acipenser oxyrinchus in Germany and Poland and very recently in France as well, a brief outlook on restoration-management programs of A. oxyrinchus are also provided for both North America and Northern European countries, namely Germany and Poland. As conservation-restoration actions go beyond scientific issues, non-governmental stakeholders and marine professional fishermen’s organizations have also been asked to contribute, and the key role of a French-German cooperation plan is underlined. A part of the book is devoted to perspectives. Illustrations of the European sturgeon, mainly in photographs, but also in stamps and paintings, are presented.
Synthèse des informations scientifiques et techniques disponibles sur la gestion des étangs, la reproduction et l'amélioration génétique de la carpe, l'élevage des juvéniles et le grossissement en étang. Des données sur la transformation, l'économie et le marché de la carpe complètent cette étude. Public : pisciculteurs, techniciens et chercheurs, administrateurs et étudiants concernés par l'aquaculture, pêcheurs amateurs.
Cet ouvrage raconte l'aventure humaine des pionniers des collectivités locales et des réseaux professionnels qui ont inventé et diffusé le mouvement de la "gestion différenciée" et propose des réponses aux questions du développement durable tout en contribuant à la "biodiversification" et à la "bioclimatisation" des villes...
L'ouvrage fait le point des connaissances sur la biologie et l'écologie de la truite en France, à travers trois thèmes : place dans l'écosystème (habitat, alimentation, organisation sociale) ; biologie des différents écotypes (rivière, lac, mer) et diversité génétique ; gestion des populations naturelles. Public : scientifiques, gestionnaires de la pêche.
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