Histomorphological abnormalities in sterlet from the volga river under present-day ecological conditions

Histomorphological abnormalities in sterlet from the volga river under present-day ecological... Russian Journal of Ecology, Vol. 36, No. 2, 2005, pp. 138–141. Translated from Ekologiya, No. 2, 2005, pp. 157–160. Original Russian Text Copyright © 2005 by Lepilina, Romanov. SHORT COMMUNICATIONS Histomorphological Abnormalities in Sterlet from the Volga River under Present-Day Ecological Conditions I. N. Lepilina and A. A. Romanov Caspian Research Institute of Fisheries, ul. Savushkina 1, Astrakhan, 414056 Russia Received July 26, 2004 Key words: prolarva, oocyte, pycnosis, microcephaly. The sterlet (Acipenseridae) is an important game pollution in the Volga estuary and the northern Caspian and commercial fish. In the past decade, the commer- Sea remains high. The water in the Volga delta is cial sterlet stock in the Lower Volga has decreased by strongly polluted with organic substances (Kurochkina more than half, to only 50 metric tons (Kalmykov, et al., 1997). 1989; Kalmykov and Kalmykova, 1999). The sterlet In the current toxicological situation in the Volga– population has suffered from so-called ameliorative Caspian region, morphological and functional changes catching in its upper spawning zone located in the tail in sturgeons occur at the cell, organ, and organism lev- race of the Volgograd hydrosystem (Kotlyarevskaya, els. Hence, it is necessary to obtain data on the state of 1989), http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Histomorphological abnormalities in sterlet from the volga river under present-day ecological conditions

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Copyright © 2005 by MAIK “Nauka/Interperiodica”
Life Sciences; Ecology; Environment, general
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