Composition of Sturgeon Fry Migrating from Spawning Areas in the Lower Volga

Composition of Sturgeon Fry Migrating from Spawning Areas in the Lower Volga Russian Journal of Ecology, Vol. 36, No. 4, 2005, pp. 288–290. Translated from Ekologiya, No. 4, 2005, pp. 318–320. Original Russian Text Copyright © 2005 by Usova. SHORT COMMUNICATIONS Composition of Sturgeon Fry Migrating from Spawning Areas in the Lower Volga T. V. Usova Caspian Research Institute of Fisheries, ul. Savushkina 1, Astrakhan, 414056 Russia Received April 24, 2004 Key words: sturgeon fry, species ratio, interspecific hybridization. Sturgeon is an important game and commercial fish. cies composition of fry, including those with hybrid More than 70% of the world sturgeon catch is taken in characters, was determined according to Koblitskaya the Volga–Caspian region. Regulation and deformation (1981). A total of 10 690 individuals were analyzed. of the Volga flow, intensive fishing, and technogenic In addition to results of our research, we used the impact have disturbed the ecological balance in the data obtained at the Laboratory of Natural Sturgeon basin and resulted in stock reduction, changes in popu- Reproduction of the Central Research Department of lation structure, and destabilization of the physiological Fisheries (TsNIORKh) between 1981 and 1987. state of sturgeons (Katunin et al., 1999; Geraskin, 2000; Khodorevskaya et al., 2001). In the early 1980s, the stellate sturgeon prevailed http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Composition of Sturgeon Fry Migrating from Spawning Areas in the Lower Volga

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2005 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Ecology; Environment, general
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1007/s11184-005-0075-1
Publisher site
See Article on Publisher Site

Abstract

Russian Journal of Ecology, Vol. 36, No. 4, 2005, pp. 288–290. Translated from Ekologiya, No. 4, 2005, pp. 318–320. Original Russian Text Copyright © 2005 by Usova. SHORT COMMUNICATIONS Composition of Sturgeon Fry Migrating from Spawning Areas in the Lower Volga T. V. Usova Caspian Research Institute of Fisheries, ul. Savushkina 1, Astrakhan, 414056 Russia Received April 24, 2004 Key words: sturgeon fry, species ratio, interspecific hybridization. Sturgeon is an important game and commercial fish. cies composition of fry, including those with hybrid More than 70% of the world sturgeon catch is taken in characters, was determined according to Koblitskaya the Volga–Caspian region. Regulation and deformation (1981). A total of 10 690 individuals were analyzed. of the Volga flow, intensive fishing, and technogenic In addition to results of our research, we used the impact have disturbed the ecological balance in the data obtained at the Laboratory of Natural Sturgeon basin and resulted in stock reduction, changes in popu- Reproduction of the Central Research Department of lation structure, and destabilization of the physiological Fisheries (TsNIORKh) between 1981 and 1987. state of sturgeons (Katunin et al., 1999; Geraskin, 2000; Khodorevskaya et al., 2001). In the early 1980s, the stellate sturgeon prevailed

Journal

Russian Journal of EcologySpringer Journals

Published: Jul 13, 2005

References

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