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Sturgeon biodiversity and conservation (Paperback, Softcover reprint of the original 1st ed. 2002)
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Sturgeon biodiversity and conservation (Paperback, Softcover reprint of the original 1st ed. 2002)
Series: Developments in Environmental Biology of Fishes, 17
Expected to ship within 10 - 15 working days
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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. (c) 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."
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