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Biology and Conservation of the European SturgeonAcipenser by P. Williot, E. Rochard, N. Desse-Berset, J. Gessner, F.

By P. Williot, E. Rochard, N. Desse-Berset, J. Gessner, F. Kirschbaum (auth.), Patrick Williot, Eric Rochard, Nathalie Desse-Berset, Frank Kirschbaum, Jörn Gessner (eds.)

The booklet goals at synthesizing our present wisdom of Acipenser sturio and its administration. This species, the most common sturgeon species in all places Western Europe starting from the Black Sea to the Baltic, is now at the verge of extinction. significant facets of its biology and administration, together with mismanagement, are supplied in a historical point of view. equally, the adjustments within the recovery courses (in situ and ex situ) initiated in France and Germany are awarded. because the species happened in sympatry with Acipenser oxyrinchus in Germany and Poland and intensely lately in France to boot, a quick outlook on restoration-management courses of A. oxyrinchus also are supplied for either North the US and northerly ecu nations, particularly Germany and Poland. As conservation-restoration activities transcend clinical concerns, non-governmental stakeholders and marine specialist fishermen’s organisations have additionally been requested to give a contribution, and the most important function of a French-German cooperation plan is underlined. part of the ebook is dedicated to views. Illustrations of the ecu sturgeon, typically in pictures, but in addition in stamps and work, are presented.

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Extra resources for Biology and Conservation of the European SturgeonAcipenser sturioL. 1758: The Reunion of the European and Atlantic Sturgeons

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1). The aim of this very brief overview is to provide the reader who may be unfamiliar with sturgeon with a minimum of information about this fish, briefly introducing its morphology, some relevant biological characteristics, its taxonomy and origin, behaviour, reproductive characteristics, and utilization of sturgeon, with P. fr E. Rochard Cemagref, Estuarine Ecosystems and Diadromous Fish Research Unit, 50 Avenue de Verdun, 33612 Cestas Cedex, France N. Desse-Berset Universite´ de Nice-Sophia Antipolis – CNRS-CEPAM-UMR 6130, SJA3, 24 avenue des Diables Bleus, 06357 NICE Ce´dex 4, France J.

Sinensis and A. medirostris, while most anadromous species are confined to either estuaries or low salinity waters, as exampled by the Adriatic sturgeon and the Ponto-Caspian species respectively. Sturgeons are not known to utilize deep environments while at sea, and they do not in general make extensive offshore migrations (Bemis and Kynard 1997). European sturgeon, and others too, do not utilize waters exceeding 100–200 m in depth (Letaconnoux 1961; Grubisic 1967 in Holcˇik 1989; Rochard et al.

The European sturgeon belongs to the 2n ffi 120 group (Fontana and Colombo 1974; Tagliavini et al. 1999); however, Tagliavini et al. refute the argument that the species “could be closely related to primitive species within the genus Acipenser”, at least from the cytogenetic point of view. 5 Main Behaviour Patterns All sturgeons spawn in fresh water. e. they migrate from freshwater to brackish or salt water during their active growth period, and Bemis and Kynard (1997) placed many species in this group.

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