Titlebook: Sturgeon biodiversity and conservation; Vadim J. Birstein,John R. Waldman,William E. Bemis Book 1997 Springer Science+Business Media Dordr

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Endangered migratory sturgeons of the lower Danube River and its deltans was caused by many, primarily anthropogenic, factors which affected the Danube and the Black Sea shell during recent last decades. Measures necessary for saving anadromous sturgeon species in the lower Danube are recommended.

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Leo Semenovich Berg and the biology of Acipenseriformes: A dedication,fic, publishing 217 papers and monographs on ichthyology, 30 papers on general zoology and biology, 20 papers on paleontology, 32 papers on zoogeography, 320 papers andmonographs on geography. geology, and ethnography, as well as 290 biographies, obituaries, and popular articles (Berg 1955, Sokolov 1955).

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Leo Semenovich Berg and the biology of Acipenseriformes: A dedication,slation of Berg’s remarkable treatise, ‘Nomogenesis or evolution according to law’, Theodosius Dobzhansky wrote: ‘Berg was one of the outstanding intellects among Russian scientists. The breadth of his interests and the depth as well as the amplitude of his scholarship were remarkable. He had the re

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An overview of Acipenseriformesain in their infancy. Even such basic questions as the monophyly of . (the largest genus) are unanswered. We define relationships based on comparative osteology, which allows us to incorporate well-preserved fossils into analyses. Acipenseriformes has existed at least since the Lower Jurassic (appro

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