Selected, reviewed and revised papers from the International Conference on Sturgeon Biodiversity and Conservation held at The American Museum of Natural History in New York on 28-30 July 1994
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Taschenbuch. Zustand: Neu. Sturgeon biodiversity and conservation | Vadim J. Birstein (u. a.) | Taschenbuch | Developments in Environmental Biology of Fishes | vi | Englisch | 2013 | Springer | EAN 9789401741125 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu. Artikel-Nr. 105650460
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Taschenbuch. Zustand: Neu. Druck auf Anfrage Neuware - Printed after ordering - Acipenser brevirostrum female 58 cm long from the Hudson River near Kingston, New York, above Acipenser oxyrinchus male 58 cm long from the Lawrence River near St. Vallier, Quebec, by Paul I. Voevodine from Vladykov & Greeley (1963). 1 Sturgeon landing on the Volga River. From an engraving in Moynet . p. 85. 1 Moynet, M. 1867. LaVolga. LeTourduMonde15: 81 96. Environmental Biology of Fishes 48: 373 380,1997. 1997 Kluwer Academic Publishers. Printed in the Netherlands. Sturgeons and the Aral Sea ecological catastrophe Iliya Zholdasova Institute of Bioecology, Karakalpak Branch of the Academy of Sciences of Uzbekistan, Nukus, Republic Ka- kalpakstan Received5.4.1995 Accepted16.3.1996 Key words: Amu-Dar River, Syr-Dar River, Pseudoscaphirhynchus kaufmanni, P. fedtschenkoi, P. hermanni, Acipenser nudiventris, pollution, acclimatization, Nitzschia Synopsis A short description of the catastrophic changes in the ecology of the Aral Sea basin during the three last decades is presented. These changes have influenced the status oftwo acipenserid endemics to the area, the large Amu-Dar shovelnose, Pseudoscaphirhynchus kaufmanni, and the ship sturgeon,Acipensernudiventris. The main biological characteristics ofboth species in the new environmental conditions are given. Previous unsuccessful attempts to introduce other acipenserid species into the area are also described. International cooperationisneededforsavingthelastsurvivingspeciesrepresentingthegenusPseudoscaphirhynchus.The only twootherspeciesofthe same genus, P.fedtschenkoi and P . hermanni, have alreadybecome victims ofthe Aral Sea catastrophe and are apparently extinct. Introduction 1993). Twosturgeonspecies, the Syr-Dar and small Amu-Dar shovelnose sturgeons, were among the Historically the endemic fauna ofthe Aral Sea ba- first victims of this disaster and seem to be extinct. Artikel-Nr. 9789401741125
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