By Ramón Carmona, Alberto Domezain, Manuel García Gallego, José Antonio Hernando, Fernando Rodríguez, Manuel Ruiz-Rejón
Sturgeons are thought of “living fossils”, sharing many morphological and organic positive factors with ancestral fish. moreover, sturgeons are of the maximum curiosity from an financial point of view, not just for the caviar yet for the flesh. besides the fact that, the wild populations of the vast majority of the species are at severe chance of extinction worldwide. So, it really is pressing to advance concepts for either farming tradition and conservation and restoration in ordinary habitats.
This ebook presents a finished view of the biology and sustainable improvement of sturgeons placing emphasis at the Southern Europe autochthonous species reminiscent of Acipenser nacarii and Acipenser sturio that proportion geographical distribution. different proper species (such as Huso huso, A. oxyrhinchus, A. ruthenus, A. stellatus) and components (Germany, Russia, North the United States) also are thought of. The contents are organised in 3 sections: Taxonomy and Biogeography (including the morphological and genetic analyses that make clear the taxonomy and phylogeny of sturgeons, all in favour of these from Southern Europe), Biology and Aquaculture (where numerous facets of the developmental biology, feeding, and copy are thought of relating to the advance of sturgeon farming), and restoration and Conservation (that collates and analyses various restoration study activities, the ecology of the rivers for recovery in addition to the issues with regards to the exchange of caviar).
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Extra resources for Biology, Conservation and Sustainable Development of Sturgeons
Biology, Conservation and Sustainable Development of Sturgeons. , pp (to be completed by the publishers). B. 1869. Catalogo dos peixes do Portugal que existem do Museu de Lisboa. Jorn. Sci. Math Phys. Nat. 1a serie, 2, 131–193. B. 1880. Catalogo do peixes do Portugal. Mem. Acad. R. Sc. Lisboa, 6, 1–78. A. 1998. The historical biogeography of sturgeons (Osteichthyes: Acipenseridae): a synthesis of phylogenetics, palaeontology and palaeogeography. J. , 25, 623–640. CITES, 2001. CITES Identification Guide: Sturgeons and Paddlefish.
Naccarii and even published as such (Bernini and Vanni, 1995). In short, what we discovered in the Iberian Peninsula is nothing new; others had reached the same conclusions long before us, but their data had been forgotten by science. Will the same happen now? From the analysis of these results, we find that historically not only was A. naccarii sympatric with A. sturio in the Adriatic, as believed for some time, but also that the distribution proposed by Hernando et al. (1999b,c) has been confirmed and expanded.
2007 IUCN Red List of Threatened Species. , this volume). However, its recovery is being actively taken up. , 2000), and more recently in the Rhone River in the French Mediterranean, where investigations are under way for the possible reintroduction of A. sturio and A. , 2008). The Spanish authorities consider, for legal reasons, that it has been sighted in diverse water courses such as the Urumea, Miño, Duero, Guadiana, Guadalquivir, Júcar, Turia and Ebro. However, in recent years, it has been found only in the Duero, Guadiana, and Guadalquivir River Basin (Ministerio de Medio Ambiente, 2007).